What are creatine supplements used for?

Enhanced muscle mass and strength: Several high-quality studies have shown an increase in muscle mass with the use of creatine. However, some weaker studies have reported mixed results. Overall, the available evidence suggests that creatine does increase lean body mass, strength, and total work. Future studies should take into account the effect of different individual fitness levels of study subjects.

Congestive heart failure (chronic): Patients with chronic heart failure have low levels of creatine in their hearts. Several studies report that creatine supplements may improve heart muscle strength, body weight, and endurance in patients with heart failure. Studies comparing creatine with drugs used to treat heart failure are needed before a firm recommendation can be made. Heart failure should be treated by a qualified healthcare professional.

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