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#36Growth Hormone & Body Composition

IGF-1 LR3

modified insulin-like-growth-factor-1 analogue

Evidence: laboratory-onlyReviewed 2026-07-25

Investigated uses

  • No adequately documented human investigated use for the exact catalog identity/formulation was identified; any vendor-promoted goals were excluded from evidence grading.

Mechanism and hypotheses

  • No clinically established mechanism was identified for the exact catalog presentation.
  • Hypothesized: Mechanistic claims remain unknown or insufficiently supported for this identity/formulation.

Human evidence

  • No qualifying controlled human efficacy study for the exact catalog identity/formulation was identified in this review. Limitations: This is a bounded search conclusion, not proof that no report exists; identity, language and indexing limitations may apply.

Safety highlights

  • Unknown or insufficiently characterized for the exact catalog product.
  • Identity, purity, sterility, endotoxin, aggregation, immunogenicity, concentration and route-specific risks are not adequately characterized.

Regulatory context

No FDA-approved product matching the exact catalog presentation was identified in this review.

Sources used for this entry