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Reviewed against editorial standards · Updated 2026-01-29

IGF-1 LR3: Dosage & Administration

Part of the IGF-1 LR3 Complete Guide

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Dosage Protocols

ProtocolDoseRouteFrequency
Standard research20–50 mcgSCOnce daily
Post-workout40–100 mcgIM bilateralTraining days

IGF-1 LR3 is extremely potent — doses are in micrograms. Administer with food or carbohydrates to mitigate hypoglycemia risk. Use the peptide calculator for precise reconstitution.

Reconstitution

Reconstitute with bacteriostatic water or 0.6% acetic acid (depending on supplier formulation). IGF-1 LR3 is sensitive to agitation — swirl gently, do not shake. Ensure complete dissolution before use.

Timing & Cycles

Typical cycles run 4–6 weeks. Some protocols recommend 4 weeks on, 4 weeks off to prevent receptor desensitization. Post-workout administration is common for localized muscle effects. Have glucose/carbohydrates available due to hypoglycemia risk.

Storage

  • Lyophilized: -20°C for long-term
  • Reconstituted: 2–8°C, use within 28 days
  • Extremely sensitive to heat — never leave at room temperature

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Austin Danner

Founder & Editor in Chief

Founder of Peptides Insider. Independent researcher focused on translating peer-reviewed peptide research into practical, evidence-based guides.

Reviewed against Peptides Insider editorial standards · Last reviewed 2026-01-29.