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IGF-1 LR3 1mg
Growth Hormone

IGF-1 LR3

Dosage1mg

Rp 2.490.000per vial

Reconstitution service
+Rp 50.000
Add the Primogen pen
+Rp 990.000
Quantity
1
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Cold-chain delivery to your door around Bali. Pens and bacteriostatic water available, just ask.

Class
Synthetic IGF-1 analog
Half-life
Unknown in humans (20 to 30 hour claim is a myth; clears rapidly in rodents)

Also known as Insulin-like Growth Factor 1 Long R3, LR3

Promising in lab and animal research, not yet proven in human trials. Widely used and reported within the community.

No human clinical trials exist for IGF-1 LR3. Evidence is based on rodent models and community practice. Native IGF-1 (Mecasermin) has regulatory approval.

AnabolismMuscle recoveryCellular growth

About this peptide

IGF-1 LR3 is native IGF-1 re-engineered to last far longer: an added 13-amino-acid extension plus an arginine substitution at position 3 let it slip past the binding proteins that would normally grab IGF-1 and switch it off, so it stays active much longer. The bodybuilding world runs it for muscle fullness and recovery, and the hands-on know-how is solid even where formal human science does not exist. Supplied as a freeze-dried powder for research use.

What it does

It switches on the body's main muscle-growth pathway, which in practice means fuller muscles, faster recovery and hard vascularity. It is one of the few compounds besides growth hormone itself genuinely geared at muscle growth. One myth to kill: injecting it into a specific muscle does not grow that muscle, it acts systemically wherever you put the needle.

What to expect

  1. Week 1

    Hard pumps and vascularity in the gym, going on community reports.

  2. Weeks 2-4

    Noticeably fuller muscles and better recovery.

  3. Weeks 4-12

    Growth continues, and this is where tissue overgrowth and low blood sugar need real watching.

  4. Long term

    There is no long-term human data. What we do know is that high IGF-1 lines up with higher cancer rates in observational studies.

A rough guide drawn from research and community reports. Individual results vary and nothing here is a promise.

Reported effects

Reported benefits

Side effects & cautions

Key points

Best suited to experienced bodybuilders and athletes after systemic muscle growth and recovery, including those who do not tolerate high growth-hormone doses. Worth being clear-eyed: the dominant acute risk is low blood sugar, and past or active cancer rules it out.

Normally binding proteins keep native IGF-1 on a short leash. LR3 dodges them, so it stays free to hit the IGF-1 receptor and drive growth signalling for longer. Worth correcting head-on: the famous 20 to 30 hour half-life is a myth with no human data behind it. In rodents LR3 actually clears up to eleven times faster than native IGF-1, precisely because it skips that binding-protein protection.

The one to respect is low blood sugar. It is the dominant acute risk, reported in 42 percent of children on native IGF-1, and a bad drop can mean seizures or passing out. Longer term, the same growth signalling can drive acromegaly-style tissue and organ overgrowth, raised pressure in the skull, and worsening diabetic eye disease. High circulating IGF-1 also tracks with modestly higher rates of prostate, breast and colorectal cancer, so active or past cancer rules it out completely.

Supplied as a freeze-dried powder for research use. Store in a cool environment and do not freeze. It can be reconstituted with bacteriostatic water to maintain sterility without denaturing the peptide. Preloaded insulin syringes should be kept on a cold pack or refrigerated. Administration in community practice is subcutaneous. Intravenous use is contraindicated and never recommended.

Blood sugar
Significant reduction (hypoglycemia)

What studies and users commonly report happening to these markers. Research context only, not medical advice.

Questions about IGF-1 LR3

No. Site-specific growth from LR3 is a myth. Its effects are systemic, meaning it acts throughout the body regardless of where you inject.

No. There is no human data behind the 20 to 30 hour figure. In rodent studies LR3 actually clears up to eleven times faster than native IGF-1, because it escapes the binding proteins that would normally protect it.

Increlex is FDA-approved native human IGF-1. Practitioner experience suggests Increlex is significantly more potent for muscle growth than research-grade LR3, which lacks human clinical validation.

Low blood sugar is the dominant acute risk. It can be severe and it stacks if combined with insulin or other glucose-lowering agents.

Evidence

Sourcing

Sourced carefully from vetted suppliers. Where a Certificate of Analysis is available we share it on request, and we'll always tell you what we have for your batch.

For Research Use Only

Sold strictly for laboratory and research purposes. Not for human or veterinary use, not a medicine, and not for diagnostic or therapeutic application.

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FAQ

Common questions.

Our products are supplied strictly for research use only. We don't provide legal or medical advice, and you're responsible for compliance with the rules that apply to you. If you're unsure, do your own research before ordering.

No. Everything we sell is for research use only, not as a medicine, so there's no prescription involved. We don't make medical claims or give medical advice.

Those are prescription medicines, manufactured and regulated as drugs. We supply research peptides for research use, not medicines. We make no therapeutic claims, and nothing here is a substitute for medical care.

Lyophilised (freeze-dried) peptides hold up for a while at room temperature, but heat is the enemy over time. Once reconstituted, keep them refrigerated at 2 to 8°C. We deliver everything cold and include a short storage and reconstitution guide so it's clear.

Yes. Vials arrive freeze-dried for you to mix yourself, which is straightforward and free. If you'd rather not, switch on our reconstitution service and we'll make it up to spec, ready to use, for Rp 100.000 per vial. We can fill pens and cartridges for you too.

Yes, free with every order. We include a 3ml allowance of bacteriostatic water per vial you buy, made up from a mix of our 3ml and 10ml vials so it covers your whole order. Use as much or as little per vial as your protocol needs. Extra is available if you want it.

Message us. We pack every order cold and track it on the way, and if something goes wrong in transit we'll sort it, replacement or re-ship. We don't take your order and disappear.

There's no online checkout. Add what you want to your order, then tap Send Order, it opens WhatsApp pre-filled with your items. We confirm stock and dosing, then arrange payment and delivery directly with you. We take local bank transfer or crypto (USDC, USDT, or BTC).

By bike courier across South Bali, packed cold. Free around the immediate Canggu area; a small fee further out through the Seminyak-to-Ubud belt (Rp 50.000) or down to Uluwatu (Rp 75.000), waived on larger orders. East and North Bali and the Nusa islands are quoted by distance. Order before 2pm for same-day in the closer zones. Full zones and fees are on the How to Order page.

Yes. Pens, bacteriostatic water and cartridges can go in the same order, and we'll help with reconstitution and dosing so you arrive ready to start.

Where our suppliers provide a Certificate of Analysis, we share it on request. We're working toward our own independent third-party testing, and we'll always tell you exactly what we have for the batch you receive. We won't claim something is lab-verified when it isn't.