How to Store Nutritional Yeast Flakes

As the name implies, nutritional yeast is more about boosting the nutrient content of your food than helping your bread rise. These cheesy-tasting flakes are rich in B vitamins and can be added to soups or sprinkled on popcorn for flavor. Vegans may use nutritional yeast to make cheese. As a dry ingredient, nutritional yeast may not spoil, but it is important to store properly to prevent contamination or loss of flavor.

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Step 1

Purchase nutritional yeast flakes in bulk from a reputable purveyor with a high turnover to ensure you get the freshest product. Or purchase a package with a use-by date that gives you enough time to use it up.


  • Buying in bulk allows you to purchase the amount you need, to limit storage time and space, and to save you money.

Step 2

Mark your package of nutritional yeast with a date when you opened it.

Step 3

Keep your opened nutritional yeast in a tightly sealed container and store in a cool, dark place.


  • Consider storing your nutritional yeast in the refrigerator, especially during the hot summer months.

Step 4

Discard your open container of nutritional yeast after 1 year.


  • After harvesting, nutritional yeast is heated, dried and made into flakes or powder. The processing inactivates the yeast, which is why it cannot be used as a leavening agent for baking.

Using Nutritional Yeast

There are a number of ways you can include nutritional yeast in your diet to boost your B-vitamin intake.

  • Substitute nutritional yeast for Parmesan cheese on your pasta.
  • Make vegan cheese sauce.
  • Add to eggs or tofu scramble.
  • Mix in mashed potatoes for cheesy taste.


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