Butea superba

Its erection scores were put up against sildenafil in men, while its testosterone results came from rats.

Also called Red Kwao Krua, Kwao Krua Daeng, Red Gwow Kreur

The item

Three squares: proven in human trials. Two: a strong signal. One: early human data. Striped: the trials disagree.

Emergency: call 911.

I am not a doctor. This is not medical advice. This is self-education. Talk to a physician who has your history before you change anything.