Plant Extracts Polygonum cuspidatum (Hu Zhang) Extract
Obtained from the root and rhizome of Polygonum cuspidatum. The main actives are resveratrol and polydatin (the glycoside form of resveratrol, which is more stable). Renowned for potent antioxidant/anti-aging, cardiovascular protection and photoprotection. Available as resveratrol 5%–99% HPLC, water-soluble 5%–10%, polydatin 20%–99% HPLC and emodin 5%–95% HPLC.
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