Sarcopenia
Age-related loss of muscle mass and function — the silent metabolic disease that undermines most other longevity efforts.
Definition
Sarcopenia is progressive loss of skeletal muscle mass, strength and function with age. It's driven by declines in anabolic signalling (GH, testosterone, IGF-1), reduced physical activity and inadequate protein intake, and compounds the consequences of rapid weight loss on GLP-1 therapy. Prevention is foundational: resistance training, 1.2-1.6 g/kg/day protein, and in some members peptide GH-axis support.
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Frailty
A clinical syndrome of reduced reserve and increased vulnerability — the downstream consequence of unchecked sarcopenia and age-related decline.
PeptideSermorelin
A native GHRH analog — the gentlest and most-studied entry point into growth-hormone-axis therapy.
MechanismGrowth HormoneGH
A pituitary-secreted hormone that drives protein synthesis, fat metabolism and tissue repair — released in pulses, peaking at night.
$149 panel.
A clinician reads it in 24 hours.
Order the Peptide Readiness Panel, draw at a Quest or LabCorp near you, and your clinician sends back a matched protocol with a confidence score.