Encyclopedia

Needed for nerve function, DNA production and healthy red blood cells.

Forms enzyme helpers used in energy metabolism.

Provides building blocks for NAD and NADP, which participate in cellular energy reactions.

Supports amino-acid metabolism, neurotransmitter production and hemoglobin synthesis.

Supports DNA synthesis and one-carbon metabolism, including the pathway that processes homocysteine.

Supports collagen formation, antioxidant activity and absorption of nonheme iron.

Helps calcium absorption and bone mineralization.

Supports proteins involved in blood clotting and bone metabolism.

A botanical used in traditional preparations; it is not a dietary nutrient.

A carotenoid found in foods and in the retina.

Supports enzymes, immune function, wound healing and taste.

NAT2 encodes N-acetyltransferase 2, which helps process certain drugs and other compounds. Combinations of variants can influence acetylation status; one SNP usually does not tell the entire story.