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Growth HormonePreliminary grade

Sermorelin

Geref

The original FDA-approved GHRH analogue — stimulates endogenous GH physiologically, widely compounded off-label.

Verdict — B · Viable

A gentler, more physiologic GH-axis approach than exogenous HGH — FDA precedent, reasonable safety profile, and widely compounded. The off-label evidence is thinner than the approved indication; obtain from a licensed compounding pharmacy with a batch-specific COA.

Overview

Sermorelin is a GHRH (1-29) analogue FDA-approved in 1997 (Geref) for pediatric GH deficiency. It stimulates the pituitary to release endogenous GH rather than replacing it exogenously, producing a physiologic pulse rather than supraphysiologic levels. It is widely used off-label through compounding pharmacies for adult GH support and anti-aging. The clinical evidence for the approved pediatric indication is solid; the off-label adult body-composition evidence base is thinner. Compounding availability is broad and COA coverage is reasonable.

PepScore Breakdown — the four axes

Evidence

35% weight
73/100

How strong is the published human science?

Human data depth28/40
Regulatory & registry status22/30
Reproducibility & consistency15/20
Mechanism characterized in humans8/10

Sourcing & COA

30% weightOur moat
67/100

Can a buyer obtain an independently-verified, high-purity version? — our proprietary layer.

Independent 3rd-party testing22/35
Verified purity %20/30
COA transparency & batch traceability14/20
Multi-vendor verified availability11/15

Safety & Risk

25% weight
78/100

What is the real-world harm potential?

Documented AEs / toxicity32/40
Contraindication breadth20/25
Regulatory warnings14/20
Therapeutic index / margin12/15

Practicality

10% weight
74/100

How easy is it to actually run a verified version?

Verified-source availability26/35
Cost / value per cycle18/25
Reconstitution & administration20/25
Storage & stability10/15

Sources & Citations

Every claim cites a primary source. Citations are machine-audited against NCBI — see methodology.

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PepScore73/100 · B
Last gradedJune 28, 2026
Next re-grade triggerLarger off-label adult GH-outcome trials or a broader FDA indication would lift Evidence; a COA sweep of top compounding pharmacies would firm up Sourcing.

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Educational only — not medical advice. PepScore is an educational research grade, not a prescription or dosing recommendation. Some vendor links are affiliate links — this never affects grades. Consult a licensed healthcare provider before using any compound.