Low-Odor B-Complex Optimized B-Complex Methylcobalamin B12 + Pantethine + P-5-P 4th Generation - Folic Acid Technology Dietary Supplement Quatrefolic Gluten Free Vegan Suitable for Vegetarians/Vegans B-Right is a careful-balanced, low-odor vitamin B-Complex formula. Methyl folate ((6S)-5-methyltetrahydrofolic acid or (6S)-5-MTHF) is the most biologically active form of folate. Quatrefolic is the 4th generation development in folate delivery. Methylcobalamin is better absorbed, retained and utilized than other forms of B12. Methylcobalamin and niacin support brain and nerve tissue. Pantethine is a derivative of vitamin B5 and is a precursor to Coenzyme A (CoA), which is involved in oxidative metabolism. Pyridoxal-5-Phosphate (P-5-P) is the coenzyme form of vitamin B6 and is necessary for the metabolism of proteins and amino acids.