Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Black ginger (Kaempferia parviflora) has a longstanding history in traditional Thai medicine, where it has been used as a tonic to enhance vitality and reduce fatigue. Beyond traditional use, several scientific studies conducted mainly in Thailand and Japan have investigated its effects on energy and physical performance. Preclinical research indicates that black ginger extracts may enhance mitochondrial function and increase cellular energy production, attributed to its active polymethoxyflavones. Human clinical trials, though mostly small and of short duration, have reported improvements in physical fitness, endurance, and reduced feelings of fatigue after supplementation. For example, a 2018 randomized controlled trial found that middle-aged men taking black ginger extract showed improved aerobic capacity and muscular endurance compared to placebo. Some studies suggest black ginger may activate AMP-activated protein kinase (AMPK), a crucial enzyme in energy metabolism. However, while these findings are promising, existing studies are limited by small sample sizes and short intervention periods. No significant adverse effects have been reported in the short term. In summary, scientific evidence moderately supports the use of black ginger for enhancing energy and reducing fatigue, with a growing but still emerging body of clinical research. More large-scale, high-quality trials are needed to confirm its efficacy and optimal dosing.

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