l carnitine acetyl carnitine difference vs Carnitine: What Quality Differences Do They Have? Seeking Health Acetyl-L-Carnitine - Acetyl-L-Carnitine
Description
Tartaric acid helps to improve the absorption of L-carnitine into the body

Furthermore, 9 weeks of LC supplementation in conjunction with resistance training revealed a significant increase of circulating total antioxidant capacity and glutathione peroxidase activity and decrease in malondialdehyde concentration [43]

oral administration of LAC leads to a significant increase in LAC concentrations in both plasma and cerebrospinal fluid (CSF) [33], showing that LAC crosses the bloodbrain barrier and reaches the brain at significant concentrations

Acylcarnitines: reflecting or inflicting insulin resistance

These data suggest that administration of levocarnitine to healthy elderly subjects may result in reduction of total fat mass, and increase of total muscle mass, may be reduce fatigue and serum lipids
The main reason people are adding it to coffee is that they want one of the health benefits that it claims to give
