Supplements

This only suggests it may help. The evidence is very weak and inconsistent.

The only reliable effect is liver damage.

It's promoted by crooks and charlatans. So most manufacturers and retailers are not vetted or monitored, so you have no way of knowing your getting the actual product. Testimonials are almost always positive because people don't think their stupid enough to buy defective products. They don't like to admit they've been scammed.

If it worked it would be an approved medication that medical professionals routinely prescribe.