Synopsis

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

Black ginger (Kaempferia parviflora) has been traditionally used in Southeast Asia for various health benefits, but its use to support or treat poor fat metabolism has gained scientific interest in recent years. Several preclinical and a few clinical studies suggest that black ginger extract may help improve fat metabolism and support weight management. The proposed mechanisms include enhancement of energy expenditure through activation of AMP-activated protein kinase (AMPK), increased lipolysis, and improved mitochondrial function in skeletal muscle cells. Animal studies have demonstrated that black ginger extract can reduce body weight gain and visceral fat accumulation in rodents fed high-fat diets. Human studies, though limited in number and size, have reported modest improvements in body composition and energy expenditure following black ginger supplementation. For example, a randomized, double-blind, placebo-controlled trial in overweight adults found that supplementation with black ginger extract for 8 weeks led to a significant reduction in abdominal fat compared to placebo. However, most studies use standardized extracts and relatively short intervention periods. While the evidence is promising, it is still preliminary and more large-scale, long-term human trials are needed to confirm efficacy and safety. In summary, there is moderate scientific support for black ginger's role in supporting fat metabolism, but the evidence is not yet strong or conclusive.

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