First Foods Ranked: Tier-1 Proteins for Your Baby's First Bites
You have already read the part every guide agrees on: from six months your baby needs iron, and it should come from food. What nobody in Hong Kong publishes is the next question — the one you are actually standing in the freezer aisle asking. Fine. But which one first?
So we built a scorecard and ran our own twelve baby proteins through it. Five criteria, applied identically to all of them, with the sources printed next to every number. Then we let the results fall where they fell — including in two places where they made our own catalogue look worse.
A note before the ranking. The tier is our editorial judgement; the evidence inside each criterion is not. Where an authority has published a figure, we cite it. Where no authority has published one — and for several of these foods, none has — we say so and describe the food qualitatively rather than inventing a number. This is general education, not medical advice.
Hokkaido scallop has the lowest mercury of anything we sell — an FDA Best Choice at a mean of 0.003 ppm, the best figure on the FDA's entire commercial table. And it still lands in Tier 2, because at six months it has to be finely chopped into a scoopable food. A food your baby cannot pick up is not a first finger food. It is a first flavour.
FDA · Solid StartsLiver is in a different league on iron — the Family Health Service's table puts pork liver at 18.0 mg per 100 g, five to ten times lean beef. And it is Tier 3, because infants over six months should not have more than one portion of liver per week on vitamin A grounds. Something you serve once a week cannot carry your baby's iron.
FHS · UK COT · Solid StartsFive Criteria, Shown Openly
Most first-food advice fails because it optimises one variable. "Iron-rich" gives you liver every day. "Low-mercury" gives you scallop purée. "Easy to hold" gives you a week of plain sweet potato. A first food has to clear all five of these at once, and almost nothing does.
Heme iron, the well-absorbed kind. FHS: meat, poultry, liver, fish and seafood carry it, and red meat is especially rich in it. Meat and egg also supply zinc.
Is it a priority allergen worth introducing early? FHS is explicit that delaying these foods does not lower allergy risk. Fish and crustacean shellfish score high here.
Can it become a graspable strip? FHS's own spec for baby-led weaning: cut into strips about 7 to 10 cm long, cooked soft or easy to squash between your fingers.
Mercury, choking risk, frequency limits, bones. The fewer hard rules attached, the higher the score. A food with a weekly cap cannot be a staple.
Portion size against what a six-month-old actually eats, price per introduction, freezer space, and prep effort in a small Hong Kong kitchen at 7pm.
Each product card carries a five-bar read-out, one bar per criterion. Those bars are our scoring, not an authority's rating — they summarise the sourced evidence written beside them, and you should treat the words as the substance and the bars as the shorthand. Where no authority has published a figure for a criterion, the meter reads no published figure instead of guessing. We do not total the bars into a score, because the tiers are a judgement about which constraint matters most at six months, not an arithmetic result.
Fish Is Not Your Baby's Iron Food
Ask a Hong Kong parent which food they give for brain and nutrition and they will say fish. Ask which food they give for iron and, very often, they will say fish again. The Family Health Service's own table — drawn from the Centre for Food Safety's nutrient information inquiry system — does not support the second answer.
Here is the iron content of cooked foods per 100 g, exactly as FHS publishes it. Note that the top of the range for salmon doesn't even reach the bottom of the range for lean beef.
liver category
Liver runs straight off the scale — it is roughly five times lean beef and around fourteen times salmon. That single bar is the whole argument for liver, and the whole argument against relying on it: see Tier 3. We show pork liver because it is the figure FHS actually publishes; treat it as a stand-in for the liver category, not as a figure for duck liver, for which no Hong Kong authority publishes a number.
Because iron is one criterion out of five, and salmon wins three of the others outright. It is a priority allergen you want introduced early rather than late; it is on the Centre for Food Safety's benefit list, where the DHA and EPA benefits outweigh the methylmercury risk; and it flakes into soft pieces a baby can actually pick up. A first-foods plan built only on the iron column would feed your baby liver and nothing else. That is not a plan.
One more thing FHS says about iron that costs nothing to act on: eating vitamin-C rich fruit and vegetables with the meal, or within an hour or two after it, helps the body absorb iron from plant foods. A few pieces of papaya next to the beef is a free upgrade.
Tier 1 — The First Five
These clear all five criteria at once: real iron or real allergen value, a texture that survives being cut into a strip, no hard frequency rule attached, and a portion size that suits a baby who eats a teaspoon or two at the start. If you are choosing your baby's first protein this week, choose from this band.
Every one of them, without exception: cooked through with no pink and juices running clear — fish fully opaque and flaking easily — every bone picked out, and no salt, sugar or honey under 1.
Tier 1 — reach for these first
From around six months, once the readiness signs are there: your baby can sit steady in a high chair, is interested in food, and reaches for it and brings it to their own mouth.
The Family Health Service states plainly that red meat — beef, pork and lamb — is especially rich in heme iron, the form the body absorbs most easily, and its table puts lean beef at 1.7 to 3.7 mg per 100 g, the top of the everyday-meat range. Tenderloin is the least stringy cut on the animal, which is precisely why it holds a 7 to 10 cm strip instead of shredding into threads a baby cannot pick up. It is not a priority allergen, so it does not need its own testing slot. If you buy one thing on this page, buy this one.
Cook it completely through — no pink anywhere, juices running clear — and soft enough to squash between your thumb and forefinger. Cut it into thick strips with the grain, never into cubes.
Same heme-iron class as the tenderloin — it is red meat, and FHS's grouping applies. What earns it the number two slot is texture. The higher intramuscular fat means it yields under gum pressure rather than shredding, which makes it the most forgiving mouthful in the whole range for a six to eight month old still learning what to do with a strip. Boneless is not a detail here: FHS lists fish and meat with the bones left in as a choking hazard.
Cooked through with no pink, juices running clear. Premium price per introduction — sensible once your baby is eating rather than exploring, less sensible for the very first two-teaspoon trial.
Salmon sits at number 3 on the Centre for Food Safety's benefit list — the fish whose DHA and EPA benefits outweigh their methylmercury risk — and the FDA rates it a Best Choice at a mean of 0.022 ppm. Fish is one of the priority allergens FHS names, and FHS is unambiguous that delaying these foods does not reduce your baby's chance of eczema or allergic disease. So the case for salmon is early, repeated exposure, plus DHA and vitamin D. It flakes into soft, graspable pieces, which few fish do this well.
Iron is low — 0.3 to 1.3 mg per 100 g. This is not your iron food and we would rather you knew. Cook until fully opaque and flaking easily, and pick out every bone: FHS lists fish with bones in as a choking hazard.
Barramundi appears at number 37 on the Centre for Food Safety's benefit list. It is mild, low in fat and flakes cleanly, which makes it the least intimidating first white fish for a parent who is nervous about serving fish at all. Its real job is to keep the fish allergen in rotation once you have introduced it — two different fish is a more robust habit than one.
Same low-iron caveat as salmon. Debone thoroughly, and cook until fully opaque and flaking easily. One naming note: the Centre for Food Safety's list spells this fish with a different Chinese character than our product title uses — it is the same fish.
Lean lamb comes in at 1.5 to 3.4 mg of iron per 100 g — statistically level with beef, and red meat again, so FHS's heme-iron point applies in full. Its second argument is flavour: introducing a distinctly-flavoured meat early, while your baby is still open to everything, is a documented move against fussy eating later. Waiting until eighteen months to try lamb for the first time is choosing the hardest possible moment.
FHS lists fish and meat with the bones left in among the foods that can cause choking, and instructs parents to carefully remove bones when cooking for a baby. Either serve the meat cut off the bone, or use the bone strictly as a handle with an adult watching every second. Cooked through, no pink, juices running clear.
Tier 2 — One Criterion Short
Nothing here is a lesser food. Each one simply gives something up on exactly one criterion — iron, texture, or the fact that no authority has published the numbers we would need to rank it higher. Two of the four are things we would happily put in your baby's second month of solids.
Tier 2 — strong, with one compromise
Same doneness rules as Tier 1 throughout: cooked through, no pink, juices running clear; seafood cooked thoroughly; no salt, sugar or honey under 1.
At HK$12 this is the cheapest entry in the range and therefore the lowest-stakes way to run a first-meat trial — if your baby licks it once and pushes it off the tray, you are twelve dollars down, not sixty-eight. Thigh is dark meat, so it carries more iron than breast: 0.9 to 1.6 mg per 100 g. FHS groups chicken with the iron-rich meat and egg category.
Poultry is stringy. It has to be shredded along the grain or served as a thick, soft strip, never cubed. And the iron is roughly half of beef's, so it is a rotation food rather than the anchor. Cooked through with no pink, juices running clear — poultry has no acceptable pink for a baby.
Pork counts as red meat in FHS's own grouping of beef, pork and lamb, and it is the protein most Hong Kong families are already cooking, which makes the family-meal version of feeding a baby far easier. Hormone-free, and the tenderloin is the leanest, most tender cut on the pig.
Lean pork is 0.6 to 1.9 mg per 100 g — the lowest iron of the three red meats, so we will not sell it to you as an iron hero. Very lean tenderloin also dries out and turns crumbly if you push it too far. Cook it through with no pink and juices running clear, then stop.
A quail breast is already the size and shape of a baby's strip — no trimming, no squaring off, no leftover half you have to find a use for. It is darker poultry meat, and Solid Starts lists quail among its iron-rich poultry. As a variety-builder it is unusually easy: novel flavour, familiar format.
Neither FHS nor the Centre for Food Safety publishes a per-100 g iron figure for quail, so we are not going to print one. That data gap is the only reason it is not higher. Cooked through with no pink, juices running clear.
This is the food that made us build the scorecard honestly. Scallop has the lowest mercury of anything in our catalogue — an FDA Best Choice at a mean of 0.003 ppm, against 0.022 for salmon. Solid Starts clears it from six months and, being a mollusc rather than a crustacean, it is not on the FHS priority-allergen list. On a pure safety reading it should be number one.
Solid Starts advises serving scallop thoroughly cooked, finely chopped and mixed into a soft scoopable food, and refraining from serving small whole scallops. So at six months it is a congee topper, not a strip — a first flavour, not a first finger food. It is still seafood: introduce it on its own and watch, per the standard protocol.
Tier 3 — Yes, But With a Rule Attached
Tier 3 does not mean avoid. It means there is a written rule — about how often, or how you cut it — and the rule is not optional. Two of these three are among the most valuable foods on the whole page, provided you follow the instruction that comes with them.
Tier 3 — the rule is the point
Same doneness rules as Tier 1 and Tier 2 throughout: cooked through, no pink, juices running clear; fish fully opaque and flaking easily; seafood cooked thoroughly. Served plain — no salt, no sugar, no honey under 1.
Shrimp has genuinely high allergen-introduction value: crustacean shellfish is on the FHS priority-allergen list, and FHS says outright that delaying or avoiding these foods does not reduce your baby's chance of developing eczema or allergic disease. The FDA rates shrimp a Best Choice at 0.009 ppm, and FHS's table gives shrimp 0.4 to 3.1 mg of iron per 100 g — a wider band than most people expect.
Solid Starts calls shrimp a top choking hazard for babies and older children alike. From 6 months: finely chop well-cooked shrimp into a soft scoopable food. From 9 months: cut well-cooked shrimp lengthwise so it is no longer round, then chop small. Never a whole shrimp. Introduce it alone, on a calm weekday morning, cooked thoroughly.
On texture alone this is the best fish in the range for a baby: rich, high in fat, buttery, and the most yielding fillet we sell. Nothing falls apart more kindly under a gum. And we are going to tell you why it is in Tier 3 anyway.
Toothfish is on neither of the Centre for Food Safety's lists — not the avoid list, not the benefit list. The usable source is the FDA, which classes Chilean sea bass and Patagonian toothfish as a "Good Choice" — one serving per week — at a mean of 0.354 ppm, roughly sixteen times salmon's 0.022. Treat it as an occasional treat fish, not the weekly one. We do not describe it as low-mercury. Cook until fully opaque and flaking easily; debone.
Liver is the single most iron-dense food category FHS lists — pork liver at 18.0 mg per 100 g, five to ten times lean beef — and FHS's own starting-solids leaflet names pork or chicken liver among the iron-rich foods to let your baby try early. The 10 g cube is close to the right size for an occasional serving, which is exactly how liver should be eaten. It also comes with more conditions attached than anything else on this page, so read both halves of the rule below before you buy it.
1. Frequency: at most once a week. Three independent authorities agree. FHS: liver should not be eaten frequently, because of its vitamin A. UK COT: infants over six months old should not have more than one portion of liver per week. Solid Starts: one to two tablespoons once a week is plenty — and liver is firm and challenging to chew, so mash or spread it, do not hand over the cube whole.
2. Plain only — check the pack before you serve. Before age 1, the only liver suitable for your baby is a plain, unseasoned, raw-frozen one. Read the packaging for added salt every single time, and if what you have is a cured, seasoned or ready-to-eat foie gras — mi-cuit, terrine or pâté-style — it is not suitable under 1, because of its salt content. That is a check to make in your own kitchen, not something to assume. Also worth knowing: foie gras is a fattened liver and is not nutritionally identical to lean liver per gram, and no authority publishes a per-100 g figure for it — so we publish none. Cook it through with no pink, juices running clear.
Tier 1 delivers iron and allergen value with no rule attached. Tier 2 is excellent food that gives up exactly one thing — price, texture, or published data. Tier 3 is genuinely worth feeding, but comes with a written instruction about frequency, seasoning or how you cut it. Nothing on this page is a food to avoid.
Mercury: The Hong Kong List, In Full
The Centre for Food Safety advises that pregnant women, women planning pregnancy and young children avoid large predatory fish and fish likely to be high in methylmercury. Here is the avoid list as the Centre for Food Safety publishes it — twelve species, in full, so you can screen a menu or a wet-market stall yourself.
| # | Species — avoid for young children |
|---|---|
| 1 | Mackerel, King |
| 2 | Tuna, bigeye |
| 3 | Golden tail / Yellowback seabream |
| 4 | Splendid alfonsino |
| 5 | Tuna, albacore |
| 6 | Dash-and-dot goatfish |
| 7 | Tuna, yellowfin |
| 8 | Marlin |
| 9 | Swordfish |
| 10 | Orange roughy |
| 11 | Tuna, Pacific Bluefin |
| 12 | Shark |
Source: Centre for Food Safety, Fish Advice for Pregnant Women, Women Planning Pregnancy and Young Children. Hong Kong's regulatory limit for methylmercury in fish is 0.5 mg/kg — stricter than the Codex limit of 1.2 mg/kg for tuna.
The same Centre for Food Safety document carries a benefit list — fish whose DHA and EPA benefits outweigh their methylmercury risk. Salmon is number 3 on it; barramundi is number 37. That is the reason both sit in Tier 1 and neither carries a frequency cap in this article.
Toothfish appears on neither Centre for Food Safety list. When a Hong Kong authority is silent, we do not read that as clearance — we go to the next authority. The FDA puts Chilean sea bass and Patagonian toothfish in "Good Choice": one serving a week, mean 0.354 ppm. Tier 3, and we would rather lose the sale than round that down.
This one circulates in Hong Kong parent groups constantly, and it is a collision between two different fish that share one word.
On the avoid list: bigeye tuna — number 2 on the twelve-species table above. A large predatory tuna. Genuinely high in methylmercury.
On the benefit list: purple-spotted bigeye at number 48 and red bigeye at number 72 — the small, cheap, everyday fish sold across Hong Kong wet markets, on the list of fish whose DHA and EPA benefits outweigh their methylmercury risk.
Same primary source, one document, two lists. If someone has told you to keep bigeye away from your baby because of mercury, they were thinking of the tuna.
Screen against the twelve-species list, prefer fish from the benefit list, and rotate species rather than serving the same fish every week. That is the whole of it. Two fish in the rotation — salmon and barramundi, say — does more for your baby than agonising over one.
Why Two Fish and a Shrimp Are Worth the Nerves
The reason fish and shellfish score so highly on criterion two is not nutritional. It is about when. Hong Kong's Family Health Service has taken a clear position, and it is the opposite of what most grandparents were told:
Delaying the introduction of these foods, or avoiding them, does not reduce your baby's chance of developing atopic dermatitis (eczema) or allergic disease. From six months, when your baby starts eating solid foods, parents can let them try these foods.
The foods FHS lists as more likely to cause an allergic reaction are milk and dairy products, egg, peanut, fish, crustacean shellfish, nuts, wheat, soy and bird's nest — that last one a Hong Kong-specific entry you will not find on a Western list. Two of our Tier 1 foods and one of our Tier 3 foods are on it, and that is a feature, not a warning.
LEAP — NIH-funded, on high-risk infants — found early peanut introduction cut peanut allergy by around 81% at age five. EAT (NEJM, 2016) tested six allergens including whitefish: in the per-protocol analysis, any food allergy occurred in 2.4% of the early-introduction group against 7.3% of the standard group (P=0.01). In fairness, we should also say that EAT's intention-to-treat result — the more conservative analysis — was not statistically significant. The direction of the evidence is consistent; the strength of it depends on which analysis you read.
Add one new food at a time, starting with one or two teaspoons, and offer it for two to four consecutive days while you watch. If there is no reaction, move on to the next new food. Symptoms can appear within hours or several days later — eczema, persistent vomiting, wheezing, constipation, abdominal cramping. Never introduce two new allergens on the same day.
FHS is specific: for babies with severe eczema or a known food allergy, parents should consult a paediatrician or family doctor before introducing these foods. If that describes your baby, this article is background reading for that appointment — not a substitute for it.
A Tier-1 Food Cut Wrong Is a Tier-3 Food
Criterion three does most of the work in this ranking, and it is the criterion parents get least help with. Hong Kong's Family Health Service actually publishes a specification — a real one, with numbers — and it is better suited to a local kitchen than anything imported.
FHS: cut food into strips about 7 to 10 cm long, so your baby can hold them easily. Long enough that a fist can close around the middle and there is still food sticking out of the top.
FHS: food should be cooked soft, or easy to squash with your fingers. Do it every time, with the actual piece you are about to hand over. Meat that passed yesterday may not pass today.
FHS's composition: at least one vegetable or fruit, one energy-dense food (sweet potato, potato, noodles, rice) and one iron-rich food (meat, fish, egg). Everything on this page fills the third slot.
FHS's readiness signs for solids: your baby can sit up against the back of a chair, can lift their head, can reach out and grasp objects, shows interest in food, and opens their mouth when they see a spoon. For baby-led weaning specifically, FHS adds one more — your baby must actively reach for food and bring it to their own mouth.
And the fallback, which deserves to be better known: if you have tried baby-led weaning for two weeks and your baby still is not managing to eat, FHS suggests spoon-feeding iron-rich purées instead. That is official guidance, not a failure. Gagging, meanwhile, is normal — FHS says to stay calm and let your baby push the food out. Our choking hazards and safe sizes guide covers the difference between gagging and choking properly.
One last practical point that runs underneath this whole ranking: a first-foods plan lives or dies on portion size. FHS says your baby starts on one or two teaspoons. Buying a 300 g tray of lamb to test two teaspoons is how good intentions become freezer waste — which is exactly why our range is cut and vacuum-sealed at 10 to 55 g per pack, one baby serving each. Thaw them one at a time in the fridge; our thawing guide has the rules.
The Six Questions Parents Actually Ask
A lean red meat cut that holds a strip. FHS states that red meat — beef, pork and lamb — is especially rich in heme iron, the well-absorbed kind, and its table puts lean beef at 1.7 to 3.7 mg per 100 g. Beef tenderloin is the least stringy everyday cut, so it survives being cut into a 7 to 10 cm strip. It is not a priority allergen, so it does not need its own testing slot. Cook it through with no pink and juices running clear, and squash-test it before it reaches the tray.
No — and this is the most common misunderstanding in Hong Kong baby feeding. FHS's own table gives salmon 0.3 to 1.3 mg of iron per 100 g against lean beef at 1.7 to 3.7 mg. Salmon still belongs in Tier 1, on different grounds: fish is a priority allergen you want introduced early rather than late, it is number 3 on the Centre for Food Safety benefit list, and it is a source of DHA and vitamin D. Serve it fully opaque and flaking easily, with every bone picked out.
From around six months, and it is worth doing — crustacean shellfish is on FHS's priority-allergen list and delaying it does not reduce allergy risk. But Solid Starts describes shrimp as a top choking hazard for babies and older children alike. From 6 months: finely chop well-cooked shrimp and mix into a soft scoopable food. From 9 months: cut it lengthwise so it is no longer round, then chop small. Never a whole shrimp. Introduce it alone, early in the day, cooked thoroughly, and watch for two to four days.
A maximum of once a week, and three authorities agree. FHS: liver should not be eaten frequently, because of its vitamin A. UK COT: infants over six months old should not have more than one portion of liver per week. Solid Starts: one to two tablespoons once a week is plenty. Liver is also firm and challenging to chew, so mash or spread it rather than handing over a cube. It is the most iron-dense category FHS lists, and it is still Tier 3 — a food you serve once a week cannot carry your baby's iron.
Two different fish are being confused. The species on the Centre for Food Safety avoid list is bigeye tuna. Purple-spotted bigeye and red bigeye — the cheap local fish — appear at numbers 48 and 72 on the benefit list, the list of fish whose DHA and EPA benefits outweigh their methylmercury risk. If a relative has told you to avoid bigeye because of mercury, they have merged two names that share one word.
It is a treat fish, not a weekly one, and we would rather say so. Toothfish appears on neither Centre for Food Safety list, so the usable source is the FDA, which classes Chilean sea bass and Patagonian toothfish as a "Good Choice" — one serving per week — at a mean of 0.354 ppm, against 0.022 for salmon. It has the softest, most yielding texture in our range, which is genuinely useful, but it should not be your baby's everyday fish and we do not call it low-mercury.
Cook it through. Meat and poultry for a baby must be cooked completely through — no pink anywhere, juices running clear. Fish must be fully opaque and flaking easily. FHS is blunt about it: food must be thoroughly cooked, and uncooked foods and unpasteurised dairy are off the list entirely.
Bones out, every time. FHS names fish and meat with the bones left in among the foods that can cause choking, and instructs parents to carefully remove bones when cooking for a baby. That applies to the salmon, the barramundi, the toothfish and the lamb rack.
Nothing added under 1. No salt, no soy sauce, no chicken powder, no sugar — and no honey at all under 1 year, because of the risk of Clostridium botulinum spores. FHS's reasoning on salt is long-term blood pressure, plus the fact that strongly flavoured food makes bland food harder to accept later. No fruit juice is needed either. The same rule applies to anything that arrives pre-seasoned: read the pack, and if salt has been added, it is not for a baby under 1.
One new food at a time. One or two teaspoons, then watch for two to four consecutive days before the next new food (FHS). Never two new allergens on the same day. For a baby with severe eczema or a known food allergy, speak to a doctor before introducing allergenic foods.
The frequency rules are rules. Liver: no more than one portion per week, and plain only — a cured, seasoned or ready-to-eat foie gras is not suitable under 1. Toothfish: an occasional fish, not the weekly one. Shrimp: never whole, cut lengthwise from 9 months so it is no longer round.
Stay with your baby. Supervise every meal, seated and upright. Gagging is normal and FHS says to stay calm. This article is general education, not medical advice — if you have any question about your baby's diet, growth, iron status or a suspected allergy, speak to your paediatrician, family doctor or your Maternal and Child Health Centre.
Build the Tier-1 Basket
Five packs, five criteria cleared: two red meats for iron, two fish to get the allergen in early and keep it in rotation, one lamb for flavour training. Every pack is cut to a single baby serving and vacuum-sealed, so you can test two teaspoons of something new without buying a tray of it. Cook through, no pink, juices running clear — fish opaque and flaking — bones out, and nothing added under 1.
Prices in HKD. Free delivery on orders over $800, cold-chain delivered across Hong Kong by our own team — or collect yourself at Chai Wan, Tai Wai or Po Lam.
References & Further Reading
- Family Health Service, Department of Health, HKSAR — Healthy Eating for Infants & Young Children 6–24 Months: Starting Out (FHS/CH/N1B, revised 02/2026). Source for: iron needs rising sharply from six months, iron-rich first foods including meat, egg yolk, fish and pork or chicken liver, the baby-led weaning definition and the 7–10 cm strip and squash-test specification, the plate composition, the common-allergen list including bird's nest, the no-delay allergen position, the high-methylmercury fish list, the gag-reflex guidance, the choking-hazard foods including fish and meat with bones in, thorough cooking, and no honey, salt, sugar or juice: fhs.gov.hk (PDF)
- Family Health Service — Healthy Eating for Infants & Young Children 6–12 Months (page revised 13/06/2025). Source for: one new food at a time with a two-to-four-day watch, meat and egg supplying iron and zinc, liver not to be eaten frequently because of vitamin A, and carefully removing bones when cooking for a baby: fhs.gov.hk
- Family Health Service — Preventing Iron Deficiency (page revised 07/04/2025; content revised 05/2024). Source for: heme versus non-heme iron, red meat being especially rich in heme iron, the vitamin-C absorption tip, and the per-100 g iron table used in the chart above (data from the Centre for Food Safety's nutrient information inquiry system): fhs.gov.hk
- Centre for Food Safety, FEHD — Fish Advice for Pregnant Women, Women Planning Pregnancy and Young Children (updated 11/01/2013). Source of record for the twelve-species high-mercury avoid list and the benefit list, including salmon at no. 3, barramundi at no. 37, and purple-spotted and red bigeye at nos. 48 and 72: cfs.gov.hk (PDF)
- Centre for Food Safety — Food Safety Focus no. 154: Balancing the Risks and Benefits of Eating Fish. Source for the advice that young children avoid large predatory fish, and for Hong Kong's 0.5 mg/kg methylmercury limit against the Codex 1.2 mg/kg for tuna: cfs.gov.hk
- US Food and Drug Administration — Advice About Eating Fish (modified 05/03/2024). Salmon, scallop and shrimp as "Best Choices"; Chilean sea bass / Patagonian toothfish as a "Good Choice" at one serving per week: fda.gov
- US Food and Drug Administration — Mercury Levels in Commercial Fish and Shellfish (1990–2012). Mean mercury: scallop 0.003 ppm, shrimp 0.009 ppm, salmon 0.022 ppm, Chilean sea bass 0.354 ppm: fda.gov
- UK Committee on Toxicity / GOV.UK — Statement on the effects of excess Vitamin A on maternal health (page updated 25/06/2026). "Infants over six months old should not have more than one portion of liver per week": gov.uk
- NHS — Vitamin A. "Do not eat liver or liver products, such as pâté, more than once a week": nhs.uk
- NIH Office of Dietary Supplements — Iron: Fact Sheet for Health Professionals. Heme iron bioavailability, and the US Institute of Medicine RDA of 11 mg per day at 7–12 months (a US recommendation — not a Hong Kong figure, and the Family Health Service publishes no infant iron requirement in its own table): ods.od.nih.gov
- Perkin MR et al. — Randomized Trial of Introduction of Allergenic Foods in Breast-Fed Infants (EAT), New England Journal of Medicine 2016;374:1733–43. Per-protocol any-food-allergy 2.4% versus 7.3% (P=0.01); intention-to-treat 5.6% versus 7.1% (P=0.32, not significant): nejm.org
- National Institutes of Health — Introducing peanut in infancy prevents peanut allergy into adolescence (LEAP-Trio). 81% risk reduction at age five: nih.gov · FARE on LEAP: foodallergy.org
- Solid Starts (medically reviewed) — Shrimp for Babies: top choking hazard, 6m+ finely chopped, 9m+ cut lengthwise so it is no longer round: solidstarts.com · Scallops for Babies: common allergen "no", finely chopped into a scoopable food, avoid small whole scallops: solidstarts.com · Chicken Liver for Babies: one to two tablespoons once a week is plenty, firm and challenging to chew: solidstarts.com · Best Iron-Rich Foods for Babies (updated 22/05/2026), listing quail among iron-rich poultry: solidstarts.com
- Related iBuddies guides — Iron-rich first foods · Introducing allergens safely, in order · Choking hazards & safe sizes by age · Portions: how much does baby need? · Thawing frozen proteins safely
Last reviewed: 2026-08-17. This article is general education, not medical advice. The tiers and the five-bar meters are iBuddies' own editorial judgement; the evidence quoted inside each criterion is sourced above. Where no authority publishes a figure — per-100 g iron for duck liver, quail, scallop, barramundi or toothfish, or a zinc figure for any of these foods — we describe the food qualitatively rather than estimate. Seasoning varies by product and by producer, so always read the packaging of anything you serve a baby under 1 rather than relying on a category. Always consult your paediatrician, family doctor or Hong Kong's Family Health Service for individualised guidance, especially if your baby has severe eczema, a known food allergy, was born preterm, or if you have any concern about growth, weight or feeding.
