Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Coffee, primarily due to its caffeine content, has scientific validation for supporting aspects of the muscular system, particularly in the context of exercise performance. Multiple studies have shown that caffeine, a central nervous system stimulant, can enhance muscular endurance, strength, and perceived exertion during both aerobic and anaerobic activities. For example, caffeine supplementation has been demonstrated to improve muscle contractility and delay fatigue, likely through increased motor unit recruitment and decreased perception of effort. Additionally, the ergogenic effects of caffeine are well-documented, making it a common ingredient in pre-workout supplements and athletic protocols. While coffee itself contains additional bioactive compounds such as polyphenols, most of the evidence supporting its muscular benefits is attributed to caffeine. However, acute intake rather than chronic consumption is typically associated with these benefits, and individual tolerance varies. It's also important to note that excessive caffeine intake can have negative side effects, so recommended doses should not be exceeded. In summary, the use of coffee (mixed) to support the muscular system is scientifically validated, mainly in the context of enhancing exercise performance and muscle fatigue resistance.

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