The grape seed extract is rich in proanthocyanidins OPC with strong antioxidant properties, so it is often used in anti-aging and cosmetic products.
Shaanxi Porvoo Biotech Ltd. is located in Xi’an, Shaanxi Province, China. The company is a modern high-tech enterprise specializing in the research, development, production, and sales of global nutrition and healthcare raw materials, pharmaceuticals, food, and cosmetic ingredients.The company strict...Learn more
Quercetin not only promotes the health of the respiratory system, but its excellent antioxidant effect also helps to promote immune health and avoid contracting···
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