Neuroprotective Effects of Metformin Through the Modulation of Neuroinflammation and Oxidative Stress The protective effect of L carnitine on testosterone synthesis pathway, and spermatogenesis in monosodium glutamate induced rats BMC Complementary Medicine and Therapies Springer Nature Link Effect of l carnitine alone and in combination with metformin on the behavioral and biochemical alterations induced by streptozotocin in Wistar rats Nutrire Springer Nature Link Frontiers The Effects of L Carnitine, Acetyl L Carnitine, and Propionyl L Carnitine on Body Mass in Type 2 Diabetes Mellitus Patients