L Carnitine has become one of the most commonly asked about supplements over the past 18 months and I can see why when looking at all the research that has come out about it over the last 2ish years., L Carnitine 250 mg: Boost Energy & Enhance Metabolism Mountainside Medical Acetyl L Carnitine: Benefits, Forms, Dosing, and Side Effects Dr Brad Stanfield A Functional Medicine Approach to PCOS Co administration of Spirulina and L carnitine preserves ovarian reserve in a rat model of premature ovarian insufficiency via SIRT1 regulation of oxidative stress, inflammation, and apoptosis Scientific Reports