High quality Nutritional sleep well Supplement Melatonin powd-er 99% 10g-1000g

Brand Name

QYF

Power Source

None Electric

Material

Pineal gland

product name

Melatonin

use

raw material

Appearance trait

White powder

Heavy metal

5 (ppm)

specification

99%

Product grade

Chemically pure

content

99%

Place of origin

China