At minimum: Outcomes Weight trend (weekly average) Waist circumference Body composition if available (DEXA, BIA with consistency) Strength markers (basic lifts, grip strength, functional tests) Safety Blood pressure + resting HR A1c and fasting glucose (more often if diabetes) CMP (liver/kidney) Lipids (periodic) If manipulating GH/IGF-1 signaling: IGF-1 (and clinical context matters) Stop criteria Persistent tachycardia, edema, severe fatigue, worsening glycemia, abnormal labs, or new symptoms you cant explain The what to ask your clinic questions (high signal, low fluff) If a clinic recommends a peptide stack, ask: What is the problem were solving, in one sentence
However, taking higher-than-recommended doses for long periods is not advised
If you want a clean formula that fits naturally into your routine, Omre Glycine + NAC is a practical place to start
One notable trial in 20 subjects compared the effects of the retinoid tretinoin, which is about 10x more potent than retinol, to the effects of GHK-Cu on dermal procollagen synthesis, epidermal proliferation, and inflammation