vitamin b quick dissolve powder：

List of Vitamin B Complex Powder
Vitamin B1 thiamine A coenzyme in the catabolism of sugars and amino acids.

Vitamin B2 riboflavin A precursor of cofactors called FAD and FMN, which are needed for flavoprotein enzyme reactions, including activation of other vitamins

Vitamin B3 niacin (nicotinic acid), nicotinamide riboside A precursor of coenzymes called NAD and NADP, which are needed in many metabolic processes.

Vitamin B5 pantothenic acid A precursor of coenzyme A and therefore needed to metabolize many molecules.

Vitamin B6 pyridoxine, pyridoxal, pyridoxamine A coenzyme in many enzymatic reactions in metabolism.

Vitamin B7 biotin A coenzyme for carboxylase enzymes, needed for synthesis of fatty acids and in gluconeogenesis.

Vitamin B9 folate A precursor needed to make, repair, and methylate DNA; a cofactor in various reactions; especially important in aiding rapid cell division and growth, such as in infancy and pregnancy. Synthetic folate is known as folic acid.

Vitamin B12 various cobalamins; commonly cyanocobalamin or methylcobalamin in vitamin supplements A coenzyme involved in the metabolism of every cell of the human body, especially affecting DNA synthesis and regulation, but also fatty acid metabolism and amino acid metabolism.