clinical dose of l carnitine Role L-carnitine in Cardiovascular Health: Literature Review L-Carnitine Pills for Weight Loss:

10.1128/IAI.00136-08

The EPA lowered the target level of arsenic from 50 g/L (50 ppb) to 10 g/L (10 ppb) in 2006.[ref] If you live in the US, here is a USGS map showing counties with higher exposure to arsenic in the well water

This is probably the biggest safety concern

By reducing muscle tissue lactic acid build-up, performance athletes using L-Carnitine can extend duration of muscular exertion before fatigue.* ALLMAX L-Carnitine L-Tartrate (LCLT) provides 120 full servings per bottle while delivering 500 mg of L-Carnitine in each serving

Scand J Gastroenterol 28: 1098-1104, 1993

76 In turn, elevated glutamine consumption by cancer cells diminishes the glutamine supply necessary for T cells, consequently impeding the antitumor immune response