Nicotinamide

Usage ：It belongs to the Vitamin B, participating in metabolism in the body, can be used to prevent pellagra or other niacin defection disease.

Penthorum chinense Pursh ex

Penthorum chinense Pursh

Trifolium pratense L extrac

Red Clover Herb Extract

Ascorbic acid

Ascorbic acid is a naturally occurring organic compound with antioxidant properties. It is a white solid, but impure samples can appear yellowish. It dissolves w