Dont waste money on supplements like L carnitine. First focus on your diet and training. Also, oral L carnitine has low bioavailability. Injectable forms may absorb better, but diet and training CARNITIN 3000 Frontiers The efficacy of orally administered L carnitine in alleviating ovarian dysfunctions has laid the foundation for targeted in vivo use: a study employing self control and propensity score matching Injectable L Carnitine How It Works & What to Expect?