Acta Orthop Scand 71:316321 Ethics declarations Conflict of interest The authors declare that they have no conflict of interest
191 In one randomized controlled trial that included 175 men with infertility, taking a supplement providing 1 gram L-carnitine and 0.5 grams acetyl-L-carnitine, as well as 725 mg fumarate, 1 gram fructose, 50 mg citric acid, 10 mg zinc, 20 mg CoQ10, 50 mcg selenium, 90 mg vitamin C, 200 mcg folic acid, and 1.5 mcg B12, twice daily improved sperm motility, semen volume, and DNA fragmentation compared with placebo after six months
Think of it this way: when you improve the energy efficiency of your cells, the benefits arent confined to just one area
Some practitioners advocate intramuscular injection near injury sites for deeper penetration, particularly for large muscle injuries or post-surgical recovery