骨骼科学博客 — Healthy Aging Science

Sirtmax® is a branded black ginger extract from Tokiwa Phytochemical in Japan, standardized to 15% polymethoxyflavones. One 12-week randomized trial gave 100 mg a day to adults with overweight. Here are its numbers, its limits, and three label checks.

Black ginger has about ten human trials. Three 12-week trials measured less body fat than placebo, two measured a stronger grip, a single dose did nothing, and no trial ran longer than 12 weeks. Here is each one, plus the doses and what is still unknown.

NMN raised blood NAD+ in every human trial and was well tolerated in short studies. Bigger reviews found no clear benefit for blood sugar or muscle. Here is each study, plus 4 checks before you buy.

三项随机试验探讨了服用 NMN 是否能提升人体内的 NAD+ 水平。以下是这些试验的发现、未发现之处，以及在购买 NMN 前需要检查的三件事。