l carnitine have caffeine L-Carnitine – Difference Between Caffeine and L

10.2165/00151829-200504030-00003 Treat Respir Med

Theoretically, anything affecting growth hormone, blood sugar, or fluid balance could interact with its effects, and combining it with other hormone-active compounds increases uncertainty

As was previously mentioned, levels of GH and IGF-1 steadily decrease over a lifespan, and with the lower hormone levels comes a myriad of side effects such as increased fat mass, cardiovascular dysfunction, decreased muscle mass, and declined cellular protein synthesis

But once the pituitary responds and IGF-1 rises, the normal IGFBP buffering system still operates on the IGF-1 that is produced