coenzyme q10 and l-carnitine tablets uses Top 5 Benefits of CoQ10 Combination for Athletes Nature's Bounty CoQ10, Supports Heart

As it is used to make up for necessary nutrient deficiencies, it is unlikely to have any negative long-term impacts

Bhandari S, Kalra PA, Berkowitz M, Belo D, Thomsen LL, Wolf M

The role of glutathione for endurance athletes is particularly vital because it maintains the structural integrity of these cellular power plants. When evaluating the efficacy of glutathione for athletes, the delivery mechanism is the most critical factor in determining whether the antioxidant actually reaches the mitochondria

Randy C

Several inherited or acquired red blood cell and hemoglobin abnormalities can cause hemolytic anemia (Mayo Clinic 2013)