What is the drug produced in foods in a chemical reaction?

Question by Fernando D: What is the drug produced in foods in a chemical reaction?
What drug is produced by a chemical reaction in fruits, vegetables, and grains?

Best answer:

Answer by CayleeMD
Take a look at this Harvard paper and study it to find your answers:
https://www.health.harvard.edu/newsweek/Listing_of_vitamins.htm

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