Shu Di Huang Root vs Hu Zhang

TCM primary blood and yin tonic; tonifies kidney yin and essence; processed rehmannia with sweet warming properties.

Invasive shrub native to East Asia now widespread worldwide, whose root contains high concentrations of resveratrol and emodin, used in TCM for blood-moving and joint conditions.

catalpol, rehmannoside, acteoside, glutinoside, polysaccharides

resveratrol, emodin, polydatin, physcion, anthraquinones

Tonifies blood and kidney yin, Nourishes essence and marrow, Premature graying and hair loss, Bone and joint weakness

blood stasis, jaundice, joint pain, burns topically, cancer support

Anti-aging, Blood tonic, Immunomodulation, Hepatoprotective

anti-inflammatory, antioxidant, cardiovascular support, antiviral, antitumor

9-30g dried

500mg–2g resveratrol extract daily or 9–15g decoction

Spleen deficiency with diarrhea, Phlegm conditions, Digestive weakness

pregnancy, anticoagulants, bleeding disorders, cancer with estrogen sensitivity

GI stagnation, Bloating

nausea, diarrhea, bleeding risk, estrogen-like effects