Role of L carnitine in female infertility Reproductive Biology and Endocrinology Springer Nature Link Benefits of L carnitine injections are aplenty! This injection is a great way to boost your energy levels, help with weight management, and even promote healthy heart function. Studies show that 1st Phorm L Carnitine w Fucoxanthin Orange Sunrise There's a reason L carnitine keeps showing up in PCOS research Because PCOS is closely tied to insulin resistance, inflammation, and metabolic dysfunctionand L carnitine plays a role in energy metabolism and fat utilization.