From the YummyYucky team, founded by Nancy Nash

🟡

Can Babies Eat Nutritional Yeast? Yes

Nutritional yeast is a deactivated yeast with a savory, cheesy flavor, often fortified with B12. Sprinkle a little over food from around 6 months.

Log nutritional yeast today →

Free, no account needed. Takes about 10 seconds.

When to introduce: Around 6 months
Common allergen?: No (not a top-9 allergen)
Texture: Flakes or powder sprinkled over food
Key nutrients: B vitamins (often fortified with B12), protein, fiber

Can babies eat nutritional yeast? Yes, a small sprinkle can join your baby's food around 6 months. Nutritional yeast is a deactivated yeast that comes in yellow flakes or powder, with a savory, cheesy, umami flavor. It is a favorite in vegetarian and vegan cooking because it adds a cheesy taste without any dairy, and many brands are fortified with vitamin B12. Think of it as an easy flavor and nutrient boost rather than a food on its own. One thing worth knowing: this is not the same as active baking yeast or brewer's yeast.

Prep School: how to prepare nutritional yeast for baby-led weaning (BLW) and purées

🍴 Baby-led weaning

6 monthsThere is no finger food to hold yet, so dust a little nutritional yeast over a soft strip your baby can grip, like a steamed vegetable spear or a piece of toast, to add a savory, cheesy flavor.

9 monthsSprinkle over soft finger foods your baby can pick up, such as vegetable sticks, soft-scrambled eggs, or avocado wedges, so the flavor comes along with the self-feeding.

12 months+Toss with pasta pieces, dust over roasted vegetable batons, or mix into family finger foods as a cheesy-tasting seasoning.

🥄 Purées

6 monthsStir a small pinch into a smooth puree or soft mash for a savory, cheesy note. No cooking needed.

9 monthsMix into mashed vegetables, soft polenta, or thick purees to add a mild cheesy flavor as textures get lumpier.

12 months+Stir into pasta sauce, mashed potatoes, or family dishes as a cheesy-tasting seasoning.

Is nutritional yeast safe? Choking & prep

Nutritional yeast is not a common choking risk, since it is a fine flake or powder that you sprinkle over food rather than a piece your baby chews. It is also not one of the top-9 allergens. A couple of things to keep in mind: it is a seasoning, so use a light hand and let it flavor the food rather than pile up, and check that you are using nutritional yeast, not active baking yeast or brewer's yeast, which are different products. If your baby has a diagnosed yeast or mold sensitivity, or is on antifungal medication, ask your pediatrician first. As with any new food, offer it on its own at first so you can watch how your baby does. There is no need to add salt to your baby's portion.

Trying nutritional yeast today? Log the first taste and whether it was a yummy, meh, or yucky, so future you remembers how the cheesy sprinkle landed, dated and ready for the pediatrician.

Log nutritional yeast today →

Free, no account needed. Takes about 10 seconds.

Nutrition

Nutritional yeast brings B vitamins, a little plant protein, and fiber, and many brands are fortified with vitamin B12, which is especially helpful for vegetarian and vegan diets where B12 can be harder to get. A small sprinkle also adds a savory, umami depth that can make simple purees and vegetables more appealing, without any added salt or dairy. Because the amount a baby eats is tiny, treat it as a flavor and B-vitamin boost on top of a balanced plate rather than a main source of nutrition. Check the label if B12 fortification matters to you, since not every brand is fortified.

Goes well with

Scrambled eggs · Pasta · Roasted vegetables · Mashed potato · Avocado · Soft polenta

Storage & freezing

Store nutritional yeast in an airtight container in a cool, dry, dark spot, or in the fridge to keep it fresh longer. It keeps for months; check the label for a best-by date.

More foods to explore

🥛

Oat milkFine in food from ~6 months; not a main milk drink before 12 months

🍲

Ogbono soupAround 9 months

🫒

Olive oilAround 6 months, small amounts

🌿

PandanFrom 6 months, as a flavoring

🌿

PapaloAround 9 months

🍚

Pongal6 months+

Common questions

Can babies eat nutritional yeast?

Yes, around 6 months. Just sprinkle a small amount over food for a savory, cheesy flavor and, if the brand is fortified, a B12 boost. It is a seasoning, so a light hand is all you need.

When can babies have nutritional yeast?

From around 6 months, once your baby is starting solids. A small sprinkle over pureed or soft foods is an easy way to add flavor from the very beginning.

Is nutritional yeast a common allergen?

No, nutritional yeast is not one of the top-9 allergens. As with any new food, offer it on its own at first so you can watch how your baby does.

Is nutritional yeast the same as baking yeast?

No. Nutritional yeast is deactivated, so it will not rise or ferment. It is not the same as active baking yeast or brewer's yeast, which are different products.

Does nutritional yeast have B12?

Many brands are fortified with B12, which is helpful for vegetarian and vegan diets. Not all brands are fortified, so check the label to be sure.

How much nutritional yeast can I give my baby?

A small sprinkle is plenty. It is a flavor and B-vitamin boost, not a main food, so use a light hand and let it season the food rather than coat it heavily.

Does nutritional yeast taste like cheese?

It has a savory, cheesy, umami flavor, which is why it is popular in dairy-free cooking. Babies often like the way it makes plain purees and vegetables taste more interesting.

Is nutritional yeast good for babies?

It can be a nice addition. It adds a savory flavor with no added salt or dairy, some B vitamins and plant protein, and, if fortified, vitamin B12. Treat it as a boost on top of a balanced plate rather than a main source of nutrition.

Can vegetarian or vegan babies have nutritional yeast?

Yes, it is a staple in many plant-based kitchens. Fortified nutritional yeast is one way to add vitamin B12 to a vegetarian or vegan baby's food, though talk with your pediatrician about overall B12 needs.

Do I need to cook nutritional yeast for my baby?

No cooking is needed. You can sprinkle it straight over cooked or soft foods, or stir it into purees and mashes right before serving.

Track it in YummyYucky

Log first tries and reactions, with an automatic allergen tracker when a food needs one, all in one place you can share with your pediatrician.

Start tracking for free

Last updated September 2026. Next review December 2026. How we write these: built from current published guidance from the AAP, CDC, FDA/EPA, NIAID, WHO, and other pediatric and public-health authorities, with sources cited on the page. See our editorial and medical policy for how we research, source, and update these, and how we double-check the food advice.

This is general information, not medical advice, and is not individualized for your baby. Always talk to your pediatrician about your baby's diet, introducing allergens, and any reaction. In an emergency, contact emergency services.

Some links in our guides are affiliate links: if you buy through them we may earn a small commission, at no extra cost to you. We only suggest things we'd actually use, and it never changes our guidance.