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Igf1.8

IGF-1 LR3

Limited safety

Evidence

Evidence ScoreNot scored

Studies: 8

Meta-analyses: 0

Dosage & timing

Dosage:

No legitimate or recommended dose — IGF-1 LR3 is an unapproved grey-market research chemical with no human dosing data and no quality control. We do NOT provide a dosing protocol. There has never been a human trial to establish a safe or effective dose; the only published dosing is in animals (e.g., fetal-sheep infusions) and does not translate to a human regimen.

Best Time:

Any time

Can take on empty stomach

Form:

None — unapproved grey-market research chemical

What you'll notice

ℹ️ No human trials of the LR3 analog — at allneutral

Throughout

🧫 Drives cell proliferation (cell culture)neutral

In vitro

💪 Organ growth & myoblast proliferation (fetal sheep)neutral

Weeks (in animals)

Safety

Limited safety

Contraindications:

Not an approved medicine and not a regulated dietary supplement — unapproved grey-market injectable research chemical; do not self-source
No human safety data of the LR3 analog exists — every safety conclusion would be an extrapolation from cells, animals, or native IGF-1
Any personal or family history of cancer — IGF-1-axis activation is a theoretical tumor-promotion risk

Drug Interactions:

Insulin and other glucose-lowering drugs
Growth hormone / other anabolic agents
Any prescription medication

Side Effects:

Hypoglycemia (low blood sugar)Theoretical promotion of tumor growth (IGF-1 axis)Organ / acromegalic overgrowth

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