Description Description: Vitamin B-6 is one of the more popular members of the B-vitamin family and is found in fresh vegetables. Clinical studies have shown that B-6 plays an important role in regulating homocysteine levels in the body. Homocysteine is produced as a by-product of the demethylation of methionine and can be toxic in elevated amounts.* NOW FOODS Vitamin B-6 is screened for potency and Purity.The Inside Scoop: Serving Size: 1 capsule