Supplements vs. exercise for nine health issues:  the "vitamins" in your legs.
D000375:Aging / Q000502:physiology; D000740:Anemia / Q000517:prevention & control; D000818:Animals; D001168:Arthritis / Q000517:prevention & control; D003071:Cognition / Q000502:physiology; D019587:Dietary Supplements; D015444:Exercise / Q000502:physiology*; D006801:Humans; D007239:Infections; D008136:Longevity / Q000502:physiology; D008268:Macular Degeneration / Q000517:prevention & control; D008297:Male; D051379:Mice; D009142:Musculoskeletal Physiological Phenomena; D009765:Obesity / Q000517:prevention & control; D010410:Penile Erection / Q000502:physiology