L‑Carnitine 1000 by Nutrex is a fast-absorbing, non‑stimulant fat‑burner that supports lipid metabolism and energy production. Each serving provides 1 g of pure L‑Carnitine from L‑Carnitine L‑Tartrate to help transport fatty acids into mitochondria for efficient energy conversion. This formula supports fat loss, preserves muscle fuel, and improves endurance during workouts