Is Nutritional Yeast Bad For You?

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The quick answer is that: No, nutritional yeast is not bad for you.

In fact, it’s quite healthy, and a great thing to eat if you’re a vegan.

Let’s quickly go over what’s in it.

Nutritional Yeast Macros and Nutrition

Bob’s Red Mill’s nutritional yeast

There’s basically 2 main things that make things “healthy” or “unhealthy”: ingredients that add things like sugar and trans fats, and vitamins and minerals.

Let’s start with the macro nutrition facts for nutritional yeast: 

nutritional yeast nutrition facts

Tons of protein, a small bit of fat (no trans fats), some fiber, and no sugar.

It’s basically a dream come true for vegans.

There’s nothing unhealthy about it from the macros alone, so let’s look at what else is in nutritional yeast.

Nutritional Yeast Vitamins and Minerals

This type of yeast is fortified with all the B-Vitamins: thiamin, riboflavin, niacin, B6, folate, and B12.

nutritional yeast vitamins

It’s one of the best food sources of B12, riboflavin, and folate for vegans. There’s also a little bit of iron and potassium, but nothing special.

If you’re not going to use a vitamin B12 supplement as a vegan, you should be eating nutritional yeast regularly.

There’s nothing in it that would hurt you unless you’re specifically allergic to it (which I’ve never heard of happening).

While it’s possible to eat too much nutritional yeast, you’d have to eat multiple cups per day, which seems very difficult.

SUMMARY

Nutritional yeast is a healthy food in reasonable amounts. There’s nothing “bad” in it, and it’s a great source of protein and B-vitamins (good for the brain!).

About the author

Dale Cudmore

Your friendly neighborhood vegan from Toronto. Chemical engineer turned semi-professional soccer player and freelance nutrition writer. I've been vegan for years and try to make life easier for others by sharing what I've learned.

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