Tribulus terrestris is the #1 selling testosterone booster, and the best example of a supplement that increases libido, but has no effect on testosterone.
Ab belts may cause muscle contractions if used properly. But the belt alone cannot produce six-pack abs. The real challenge to ab definition is the layer of fat that lies right under the skin, hiding muscle tone.
Things to Remember: To determine if a lumbosacral belt will give you relief, do this simple test: 1) Overlap your hands and place them on your lower belly 2) Lift upward and inward. If your feel immediate pain relief in your lower back, a lumbar support belt will be of benefit to you.