Human Growth Hormone (HGH), also called somatropin, is a naturally occurring peptide hormone produced by the pituitary gland. As a critical regulator of growth and metabolism, it peaks in early adulthood (around age 25) and gradually declines with age—dropping to just 10% of peak levels by age 70 . This decline is closely linked to age-related changes like reduced muscle mass, increased body fat, and diminished vitality.

HGH exerts its effects through two primary pathways: directly binding to receptors in tissues (e.g., muscle, bone) and stimulating the liver to produce Insulin-like Growth Factor 1 (IGF-1), a key mediator of growth . Clinically proven benefits include promoting muscle protein synthesis, enhancing fat breakdown (lipolysis), and supporting bone density by boosting calcium absorption . A landmark study in The New England Journal of Medicine demonstrated that HGH supplementation increased lean muscle mass by 8.8% in older adults, highlighting its role in combating age-related muscle loss .

Beyond physical benefits, HGH supports immune function by activating immune cells and improving antibody production . It also enhances mental clarity, balances mood, and improves sleep quality—addressing common age-related cognitive challenges . Approved by the FDA for treating growth hormone deficiency, HGH has become a cornerstone in anti-aging and wellness strategies, backed by decades of scientific research .

Whether supporting athletic recovery, reversing age-related decline, or optimizing metabolic health, HGH’s multifaceted role in human physiology makes it a subject of ongoing research and a trusted solution for holistic wellness.