Unfortified Nutritional Yeast
A deactivated yeast with a cheesy, nutty flavor, rich in B vitamins and protein.
Also known as: Nooch
Overview
Unfortified nutritional yeast is a species of yeast known as Saccharomyces cerevisiae. It is grown on molasses and then harvested, washed, and dried with heat to deactivate it. Unlike fortified nutritional yeast, the unfortified version does not have any synthetic vitamins added to it, making it a natural source of B vitamins.
Key Benefits
Rich in B Vitamins
A natural source of B vitamins, including thiamine, riboflavin, niacin, and B6, which are important for energy production.
Complete Protein
Contains all nine essential amino acids, making it a complete protein source for vegans and vegetarians.
Supports Immune Function
Contains beta-glucan, a type of fiber that has been shown to support immune function.
Dosage & How to Take
There is no standard dosage for nutritional yeast. It is typically used as a food ingredient.
| Purpose | Dose | Notes |
|---|---|---|
| Dietary Supplement | 1-2 tablespoons/day | Can be sprinkled on food or mixed into drinks. |
| Flavor Enhancer | As desired | Adds a cheesy, nutty flavor to dishes. |
Best Time to Take
Can be consumed at any time of day.
With or Without Food
Typically consumed with food.
Forms & Bioavailability
| Form | Absorption | Best For | Notes |
|---|---|---|---|
| Flakes | High | Sprinkling on food | The most common form of nutritional yeast. |
| Powder | High | Mixing into sauces and dressings | A finer texture that blends well. |
Side Effects & Safety
Common
- Digestive upset in sensitive individuals
Rare
- Migraines in people sensitive to tyramine
Contraindications
- Individuals with a yeast allergy should avoid it.
Interactions
Nutritional yeast contains tyramine, which can interact with MAOI medications and cause a hypertensive crisis.
May interact with medications to treat diabetes.
Scientific Research
Nutritional Yeast and Immunity
A study found that beta-glucan from yeast can enhance the immune system's response to infection.
Food Sources
Products With Unfortified Nutritional Yeast
2 products in our database contain this ingredient
Frequently Asked Questions
Medical Disclaimer
This content is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen, especially if you have pre-existing health conditions or are taking medications. The statements on this page have not been evaluated by the Food and Drug Administration.