Ann N Y Acad Sci 1033:30-41 (2004) The pharmacokinetics of L-carnitine and its metabolites were investigated in 7 healthy subjects following the oral administration of 0, 0.5, 1, and 2 g 3 times a day for 7 days
Good sources include lean meat, fish, eggs, dairy, legumes, and plant-based alternatives
Heres what the evidence suggests: Most research falls in the 5001,500mg/day window, with 5001,000mg/day appearing most reliable for liver health.5 10 68 Some trials have pushed up to 2,000mg/day, but there are no large dose-response studies to define an optimal dose
Practitioners should also consider the products safety profile and regulatory status when advising patients
This early response is typically modest, serving as a sign that the compound is beginning to integrate with the bodys internal processes