L-Citrulline Pure Powder 4 oz (113 g) MK-7 Vitamin B-6 is a cofactor

Vitamin B-6 is a cofactor in numerous enzymatic reactions and is required for the metabolism of fats

Among its most notable naturally occurring bioactive nutrients are Vitamin E

Nattokinase is an enzyme derived from "natto

iron) and its important co-nutrients combined with complementary botanicals

L-Citrulline Pure Powder 4 oz (113 g) MK-7 Vitamin B-6 is a cofactorSupports Protein Metabolism Healthy Immune System Function Non GMO A Dietary Supplement Vegetarian Vegan GMP Quality Assured Citrulline is a non essential amino acid that is an important intermediate in the urea cycle, functioning along with other amino acids to rid the body of ammonia, a byproduct of protein metabolism. Citrulline also plays an important role in the healing process and in the maintenance of a healthy immune system.