Is it a supplement, a nutraceutical, or medication? Who knows, but it is affordable and apparently effective!
The drug in question, metformin, costs about five cents a pill. It’s a slightly modified version of a compound that was discovered in a plant, Galega officinalis. The plant, also known as French lilac and goat’s rue, is hardly the stuff of cutting-edge science. Physicians have been prescribing it as an herbal remedy for centuries. In 1640, the great English herbalist John Parkinson wrote about goat’s rue in his life’s work, Theatrum Botanicum, recommending it for “the bitings or stings of any venomous creature,” “the plague,” “measells,” “small pocks,” and “wormes in children,” among other conditions.
LINK: https://www.wired.com/story/this-pill-promises-to-extend-life-for-a-nickel-a-pop