A variety of substances can aid improve workout performance. Creatine has been shown to boost strength and power during high-intensity workouts. BCAAs (branched-chain amino acids) help in muscle repair and fatigue reduction. Caffeine and nitric oxide enhancers in pre-workout supplements can boost energy and blood flow. Supplements, on the other hand, should be used to enhance a healthy diet and exercise routine. Before incorporating supplements into your regimen, talk to your doctor, especially if you have any underlying health issues.

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