Most evidence is
preclinical (animal studies, in vitro). Human RCT data is limited. A double-blind placebo-controlled pilot study (
Indian J Pharmacol, 2019) evaluated physical performance effects. The WebMD assessment notes there is "no good scientific evidence" to firmly support its uses from a Western evidence-based standpoint - though traditional use is well-documented across Ayurveda, Unani, and Homeopathic systems.
Recent research (2023-2026) is expanding its scope into atopic dermatitis, cardioprotection, and neurodegeneration-related diabetes pathways.