Herb Research

Evidence summaries for botanicals, medicinal herbs, and plant compounds. Peer-reviewed research, mechanisms, safety, and clinical context.

Ashwagandha is an adaptogenic herb with the strongest clinical evidence for reducing perceived stress, lowering cortisol, and impr...

Berberine may modestly improve blood sugar and lipid measurements over the short term, but the evidence does not make it a plant v...

Boswellia is a tree resin sold for joint health. Small human studies suggest that some oral extracts may ease knee osteoarthritis ...

Curcumin supplements may provide a small short-term improvement in osteoarthritis pain and function. Results cannot be applied to ...

Echinacea is one of the most widely used herbs for immune support, with a large clinical evidence base. Meta-analyses suggest mode...

Japanese knotweed contains resveratrol and other plant compounds. Its extract has been tested against Lyme disease bacteria in a l...