Dermatologic Surgery 28(3):p 231-236, March 2002.
These findings indicated that l-carnitine plays a critical role in ameliorating peroxidative damage, restoring mitochondrial dysfunction, regulating the homeostasis of lipid metabolism, protecting cell function, and avoiding death

Potential risks Serious risks and adverse events include: Allergic reaction to the medications or dye used in the injection Shoulder infection Depigmentation of the skin around the injection site (a whitening of the skin) Local fat atrophy around the injection site (thinning of the skin) Rupture of a tendon located in the path of the injection Nerve damage near the shoulder joint Bleeding at the injection site In addition to the above, corticosteroid injections increase the risk of: High blood pressure High blood sugar Decreased immune function Decrease in bone mineral density Bone infection (osteonecrosis) Reproductive hormone imbalance Metabolic changes (eg, increased appetite, weight gain, and fluid retention) These risks are typically associated with higher doses of corticosteroids, multiple injections, and for people with underlying medical conditions such as diabetes and heart problems
Khandelwal et al
A Ketogenic low-carbohydrate high-fat diet increases LDL cholesterol in healthy, young, normal-weight women: a randomized controlled feeding trial
The more of these receptors you have in your cells, the more testosterone can bind to them and stimulate muscle growth and strength gains