Dairy & Dairy Alternatives Plant based Dairy Alternatives

Oat Milk for Babies

Complete guide on how to prepare and serve oat milk to your baby, by age.

Calcium SourceDairy-FreeEasy to DigestPlant-BasedFortified Option

Safety Information

Allergen Risk

Low (2/5)

Choking Hazard

Very Low (1/5)

6–9 Months 9–18 Months 18+ Months

How to Serve Oat Milk to a 6–9 Months Old

How to Cut

Oat milk is a smooth liquid and does not require cutting or mashing. Ensure oat milk served at this age is unsweetened and fortified with calcium and vitamin D if possible. Pour a small amount (30–60 ml / 1–2 oz) into an open cup to help your baby practice drinking skills. Avoid offering oat milk as a primary beverage, as breast milk or formula should still be the main source of nutrition.

Serving Instructions

For babies 6–9 months, use oat milk only in small amounts (30–60 ml / 1–2 oz) for practice with cup drinking, not as a main drink. Ensure it is unsweetened and fortified. Pair with iron-rich foods like pureed lentils and vitamin C sources such as mashed berries for a balanced meal. Oat milk alone is not nutritionally complete for infants.

How to Serve Oat Milk to a 9–18 Months Old

How to Cut

Continue serving oat milk in an open cup, advancing to slightly larger portions as your child develops (60–90 ml / 2–3 oz). Focus on unsweetened, fortified versions. At this stage, oat milk is still not recommended as the main beverage; breast milk or formula should remain primary. Oat milk can be used in recipes like porridge or smoothies, but avoid adding sweeteners or flavors.

Serving Instructions

For 9–18 months, oat milk can be offered (60–90 ml / 2–3 oz) in an open cup, alongside solid meals. Choose unsweetened, calcium and vitamin D fortified versions. Pair with protein-rich foods (like tofu or eggs) and fiber-rich produce. Oat milk is still not a replacement for breast milk or formula, but can be used in porridges to add creaminess.

How to Serve Oat Milk to a 18+ Months Old

How to Cut

At this age, you can gradually increase oat milk servings (up to 120 ml / 4 oz), always paired with balanced meals. Choose unsweetened and fortified oat milk for best nutrition. Children over 18 months can enjoy oat milk in cups or alongside foods like whole-grain cereal, but it should still not fully replace breast milk, formula, or cow’s milk unless advised by your healthcare provider.

Serving Instructions

At 18+ months, oat milk may be served (up to 120 ml / 4 oz) with a variety of meals. Use only unsweetened, fortified kinds. Oat milk can partner with whole-grain cereals, pancakes, or fruit. It remains best as a supplement to, not a replacement for, breast milk, formula, or dairy, unless otherwise advised by a doctor. Maintain a focus on iron, protein, and healthy fats in meals.