Rejuvenate Muscle Health can been clinically proven to speed recovery post-surgery when taken daily at an increased dosage. In one such study published by the Journal of Aging Research & Clinical Practice, Rejuvenate increased the strength of knee and hip replacement patients post-surgery by 800 percent! In another study published by The Journal of Clinical Endocrinology & Metabolism, patients on bed rest gained muscle with Rejuvenate, compared to those who experienced muscle loss and were not taking the supplement.