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Most sleep supplements mask symptoms. KSM-66 ashwagandha addresses the upstream cause — stress and cortisol dysregulation. We review 22 clinical trials covering cortisol reduction, sleep quality, anxiety, and optimal dosing for this standardized root extract.

NAD+ levels decline ~50% by middle age, driving fatigue, cognitive decline, and accelerated aging. This guide breaks down what the clinical research actually shows about NAD+ supplementation — which forms work, what doses are effective, and how to choose a supplement that delivers results.