If you are like a lot of people, you may have never heard of carnitine but this important nutrient is critical for our body's ability to optimally burn fat required for energy. PDF) Effectiveness of Nano L Carnitine and Thyroxin in the management of hypothyroidism in male rats L Carnitine Pills for Weight Loss: Evidence, Safety and UK Guidance Bolt Pharmacy L Carnitine: Does it help with weight loss? Hypothyroidism: Symptoms, Causes and Support Strategies