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Article - Examine
examine.com
A recent study suggests that antioxidant supplements could hamper your muscle building efforts, because increased oxidation is needed to repair damage to muscle cells (aka build muscle).
While antioxidants in the diet are essential for good health, some studies have suggested that antioxidant supplements may not be so great in the context of your workout. Originally studied as a possible way to prevent muscle soreness and enhance recovery, the effect of antioxidants on exercise adaptation has a rough track record. Previous research in human subjects has shown that high-dose supplementation with vitamin E and C can negate some of its health-promoting effects[3], particularly on glucose metabolism and insulin signaling. Other studies have shown that antioxidants may decrease exercise performance[4] or delay recovery[5]. Although multiple mechanisms have been proposed for why this occurs, the interaction of antioxidants with exercise remains a controversial topic[6], since too much oxidation in the body can be as bad as too little.