A "natural anabolic" found in spinach just got a WADA-funded stamp of effectiveness, and a recommendation to ban it. In a 10-week trial of 46 young men, ecdysterone supplementation was linked to significantly greater gains in muscle mass and 1RM bench press, with no rise in liver or kidney toxicity markers. The proposed mechanism runs through estrogen receptor binding, not the androgen receptor. Anyone searching for turkesterone should know what this single, relatively small study does and doesn't prove, and why tested athletes should be careful.
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