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Nuts & seeds
Flaxseed for babies
Flaxseed has to be ground to do anything at all. Whole seeds pass through undigested; ground flax adds omega-3 and fibre to almost any meal.
When can babies have flaxseed?
From around 6 months, ground and stirred into food. Flaxseed is not one of the nine common allergens.
How do you serve flaxseed to a baby?
The shape is what makes a food safe, and it changes as your baby’s grip and chewing change. Find your baby’s age band.
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6–8 months
A teaspoon of ground flaxseed stirred into porridge, yogurt or vegetable purée.
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9–11 months
Ground flax in porridge, yogurt or baking.
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12–18 months
Ground flax in baking, smoothies and cereal.
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18–24 months
As the family uses it, always ground.
Prep tip
Buy whole seeds and grind them in a coffee grinder as you need them. Pre-ground flax oxidises quickly and the omega-3 degrades.
Storage
Whole seeds keep a year in a cupboard. Ground flax must be refrigerated or frozen and used within a few weeks — it goes rancid fast.
Is flaxseed a choking hazard for babies?
Ground flaxseed poses no choking risk. Whole flaxseeds are small, smooth and can be inhaled, and they pass through undigested anyway — there is no reason to serve them whole to a child.
Whatever you serve, stay within arm’s reach, keep your baby upright in a supportive seat, and never let them eat in a moving car, buggy or carrier. Gagging is loud and normal. Choking is silent.
Is flaxseed a common allergen?
Flaxseed is not one of the nine most common food allergens. Any food can trigger a reaction, though, so offer it on its own the first time and watch for hives, vomiting, swelling or a change in breathing over the next two hours.
Is flaxseed healthy for babies?
Ground flaxseed is one of the richest plant sources of ALA omega-3 and of lignans. A teaspoon stirred into porridge, yogurt or a pancake batter is invisible and adds real nutrition. It is also a gentle stool softener, which is often useful in the early weeks of solids.
| Omega-3 (ALA) | Extremely high |
|---|---|
| Fibre | Very high |
| Lignans | Extremely high |
| Magnesium | Good source |
| Iron per serving | ~0.6 mg |
Common questions about flaxseed
Whole or ground flaxseed?
Ground, always. Whole flaxseeds pass through the gut intact — you get the fibre and nothing else.
How much flaxseed for a baby?
A teaspoon a day is plenty. It is high in fibre and a gentle laxative, so more is not better.
Reference material
Guidance on this page follows the sources listed below.
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