Many people choose either the original or yeast-free version of PureNutrition (our whole foods supplement) based on taste – original has a slightly savory flavor, and yeast-free is sweet.  However, there are also minor ingredient differences as well as one major nutritional difference: original contains nutritional yeast while the yeast-free (obviously) does not. 

Nutritional yeast is an excellent source of protein and B vitamins, especially for vegetarians.  It should not be confused with candida albicans, the yeast that causes yeast infections and other health problems.  However, people with yeast allergy still need to be careful to avoid all forms of yeast including nutritional yeast.

Here is a link to a short article with more of the benefits of nutritional yeast:
http://www.buzzle.com/articles/nutritional-yeast-benefits.html

Enjoy!

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