For endurance athletes, L-carnitine spares muscle glycogen, buffers lactate accumulation, and acts as an antioxidant for muscle recovery
In dermatology, glutathione is celebrated for its ability to reduce pigmentation, brighten the skin, and improve overall skin health, making it quite popular in the skincare world
Selank, for its part, is built from tuftsin, an immune-signaling tetrapeptide, and its one published comparative trial pitted it against the benzodiazepine-class anxiety drug medazepam in 62 patients with generalized anxiety and neurasthenia, reporting comparable anxiety relief without the sedation, plus a measurable rise in the bodys own enkephalins (Zozulya et al., 2008, randomized comparison)
Reducing Fatigue Dieting can often lead to fatigue, making it difficult to maintain an active lifestyle
However, the results were not straightforward (Winther et al
Sci Rep 16 , 17791 (2026)