An exciting new dietary supplement called TA 65 has some doctors and patients amazed by its power to reverse the signs of aging.

According to these supporters, the pill improves vision, maintains muscle tone, and eases joint issues. Others say it also boosts energy, the immune system, and the sex drive.

But not everyone believes the hype. Per usual, it is hard to tell what is real or what could even be harmful in the world of dietary supplements.