[4] Similar to the opinion of Kopp, Mary H
Thus there is evidence for a beneficial effect of L-carnitine supplementation in training, competition, and recovery from strenuous exercise and in regenerative athletics. L-Carnitine, Testosterone Therapy, & Muscle Loss If initiated carefully in the appropriate clinical population, hormone replacement therapies in men and women may prevent and reverse muscle and bone loss and functional declines and perhaps promote healthy aging and longevity. 6 In a 2009 study that included 122 men over the age of 65, researchers at the University of Southern California found that supplemental testosterone produced significant gains in total and appendicular lean mass, muscle strength, and aerobic endurance with significant reductions in whole-body and trunk fat
Some of the GLP-1RAs have been proven to cross through the BBB via passive diffusion
doi:10.2165/0063030-200822060-00004
One solution is to create stable derivatives that can be absorbed into the skin, convert there to AA and do all the magic AA is proven to do (which is being an antioxidant, a collagen booster, and a skin brightener)
Besides, females usually have a change in weight after pregnancy