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IGF-1 LR3

Long-acting IGF-1 analogue

Not ARTG-approved

What it is

A long-acting analogue of insulin-like growth factor-1.

What the evidence shows

A research reagent in cell biology; not an approved human medicine, and performance claims are unsupported by approved-medicine evidence.

Safety & reported risks

Potent growth-factor effects, unmonitored, plus unregulated supply make this a high-risk non-medical use. Prohibited in sport.

Status in Australia

Not ARTG-approved. Online supply is not a lawful pathway for human use.

How it’s lawfully accessed

No lawful consumer supply. Not registered for human use.

Related peptides

SomatropinRecombinant human growth hormonePrescription medicineHexarelinGrowth-hormone secretagogueNot ARTG-approvedFollistatinMyostatin-binding proteinInvestigational

Sources & further reading

This entry is general information about IGF-1 LR3, not a recommendation to use it. We don’t provide dosing, protocols or sourcing. Speak to a registered practitioner.

Written by The Peptides.au editorial team
Editorial review Checked against current TGA, ARTG and AHPRA public guidance
Last updated 1 June 2026

This is general education, not medical advice. Peptides.au does not sell, supply, recommend or promote any product or clinic. Always speak with a registered Australian health practitioner before making any health decision.