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What to expect: Tongkat ali: 15-25% total T increase (more if starting low) Ashwagandha: 10-17% T increase (if stress was suppressing T) Zinc: 20-30% increase (if deficient) Vitamin D: 20-30% increase (if deficient) Magnesium: 20-30% free T increase (may not increase total T much) Boron: 15-28% free T increase (limited data) Combined effects (stack): If you address multiple limiting factors (e.g., vitamin D deficiency + high stress + low zinc), you might see 30-50% total increases

Vitamin C is itself a tyrosinase inhibitor, enhances the antioxidant activity of glutathione, and boosts collagen synthesis

Nat Rev Mol Cell Biol 18 , 90101 (2017)

Ogawa S, Hosoi K, Ikeda N, Makino M, Fujimoto Y, Iida T

In instances of true elevations, out of the reference range, there is clear glutathione deficiency

140 This finding suggests that mTOR inhibitors may carry unforeseen metabolic risks