Men's Health & Aging
HGH and Aging: What the Science Actually Says
Growth hormone declines with age — but most HGH-boosting supplements are marketing. Here is what works.
8 min read · XT Editorial Team · Reviewed & updated
Why HGH falls
Pulsatile growth hormone secretion peaks in adolescence and declines 14% per decade. Lower HGH correlates with reduced lean mass, slower recovery, and softer body composition.
What actually raises HGH
Deep sleep (largest GH pulse arrives in the first cycle), strength training, intermittent fasting protocols, and reducing visceral fat. Lifestyle dwarfs any supplement.
HGH supplements
L-arginine, GABA, and 'sleep stacks' produce small, transient bumps. Synthetic HGH is medication with significant downsides — not a longevity hack.
Frequently asked questions
- Is HGH safe for anti-aging?
- Off-label HGH carries risks: insulin resistance, joint pain, edema, accelerated tumor growth. The longevity case is unproven and the risk profile is real.
- Does fasting raise HGH?
- 16+ hour fasts can elevate HGH 2-5x. Modest physiological effect, not magical.
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