(6 mins) Transcript. Dr Greger's summary: "Those with certain autoimmune diseases such as Crohn's disease should probably not eat nutritional yeast."

This video summarizes evidence pointing in this direction: those with Crohn's should not consume anything with yeast (nutritional yeast powder, bread, etc.) — even tiny amounts of yeast (a pinch / 15mg) may be sufficient to induce negative reactions.

(7 mins) Transcript. An interesting video connecting nutritional yeast and Crohn's disease. Dr Greger's summary: "Is the exaggerated reaction of many Crohn's disease patients to baker's brewer's, and nutritional yeast just a consequence of their inflamed leaky gut, or might the yeast be a contributing cause?"

(7 mins) Transcript. Dr Greger's summary: "Does the presence of Candida in stool correlate with 'Candida-hypersensitivity' symptoms, such as headaches and tiredness? And what happens when people are placed on a high-sugar diet?"

Worth watching only if interested in the relationship between Crohn's Disease and nutritional yeast.

(8 mins) Transcript. Summary: HS is a nasty disease; evidence that dairy removal and yeast removal helps in reversal of symptoms. An excerpt from this video: