l-carnitine fat loss mechanism functions as a cofactor for long-chain fatty acids across L-Carnitine Fat Loss | Fat
Description
In another trial, very high-dose vitamin D supplementation (50,000 IU/week for 24 weeks) had no effect on physical performance in elderly individuals with heart failure

to improve muscle energy metabolism

Chapter 12
they know you and your health situation the best and can help determine the safe choice going forward

doi: 10.1210/jcem.86.8.7747 211 BenvengaSLapaDCannavSTrimarchiF

Age-associated deficit of mitochondrial oxidative phosphorylation in skeletal muscle: role of carnitine and lipoic acid
