Diab Metab Syndr Obes
While direct, peer-reviewed, head-to-head clinical trials comparing the two forms are still emerging, we can extrapolate a great deal from the known chemical properties
About 25 percent of our carnitine requirement is typically synthesized inside our bodies (from the two amino acids just mentioned: lysine and methionine)
Theres no well-documented direct interaction between L-carnitine and melatonin, but combining any energy-metabolism-boosting supplement with a sleep aid creates a kind of biochemical tug-of-war: one signal telling your body to wind down, another nudging it toward increased alertness
Segaert S, Shear NH, Chiricozzi A, Thaci D, Carrascosa JM, Young H, Descamps V (2017) Optimizing anti-inflammatory and immunomodulatory effects of corticosteroid and vitamin D analogue fixed-dose combination therapy