President Dwight D. Eisenhower announced the Eisenhower Doctrine in January 1957, and Congress approved it in March of the same year.
Tribulus terrestris is an annual plant in the Caltrop Family (Zygophyllaceae) widely distributed around the world, that is adapted to grow in dry climate locations in which few other plants can survive.It is an invasive species in North America.ne study found that administration of Tribulus terrestris extract can produce statistically significant increases in levels of testosterone, dihydrotestosterone and dehydroepiandrosterone, and produces effects suggestive of aphrodisiac activity.
in a recent study done on tribulus a 28 day oral toxicology test of 500mg kg tribulus terreestris extract in rats 80mg kg human dose failed to establish any signs of toxicity 3 a human study concluded that tribulus is safe and free of any side effects in healthy adults