⚠ Research and educational use only — not for human consumption. Nothing for sale, no dosing advice. PeptideCompare is non-profit and independent.
Database Suppliers Quality & badges Supplier reviews Encyclopedia Articles Calculator
LONGEVITY TOPICS
NAD+ Precursors Sirtuin Activators Senolytics Autophagy Mitochondrial Hormesis
About FAQ Contact Policy
Home / Peptide Database / IGF-1 LR3
GROWTH FACTOR / MUSCLE

IGF-1 LR3

IGF-1 LR3 (Long R3 IGF-1) is a 83-amino acid analogue of Insulin-like Growth Factor 1 with an N-terminal extension and substitution that dramatically extends.s half-life and reduces IGFBP binding — making it far more potent and longer-lasting than native IGF-1.

10 suppliers · Several suppliers 11 price rows Read the encyclopedia guide →
Available strengths
0.1/1mg
12 of 12 rows in stock
How to use it: compare suppliers below side by side on price and whether a COA is on file — those two checks are the fastest way to spot a good deal. All COAs can be verified directly on each supplier's own website.
Strength 0.1mg2
#SuppliersPrice€/mgPrice trend (6 months)PurityCOAScore ⓘ
1
CERCER
CERTAPEPTIDES
in stock RO
€21.99€219.9/mg99.3%✔ JanoshikShop →
2
RetRET
RetaEU
in stock
€79.95€79.95/mg99%— PendingBestel →
Strength 1mg11
#SuppliersPrice€/mgPrice trend (6 months)PurityCOAScore ⓘ
1
OMEOME
OMEGA PEPTIDES BEST
in stock
€64.9999%✔ Third-partyShop →
2
CERCER
CERTAPEPTIDES
in stock RO
€73.49€73.49/mg99.3%✔ JanoshikShop →
3
NEXNEX
NEXTGEN PEPTIDES
in stock
€79.95€79.95/mg2026-02-01: €88.432026-03-03: €88.562026-04-02: €88.292026-05-02: €91.262026-05-25: €88.452026-06-01: €79.95▼9.6%99%✔ HPLCShop →
4
PEPPEP
PEPTIVAE
in stock NL
€89.95€89.95/mg99%— PendingShop →
5
PRIPRI
PRIMAL PEPTIDES
in stock
€89.99€89.99/mg2026-02-01: €82.702026-03-03: €84.442026-04-02: €84.632026-05-02: €86.402026-05-25: €86.232026-06-01: €89.99▲8.8%99%✔ COAShop →
6
RESRES
€89.99€89.99/mg99.8%✔ HPLC/LC-MSShop →
7
PEPPEP
PEPTA SUPPLY
in stock
€89.99€89.99/mg99%✔ HPLCShop →
8
LUMLUM
LUMO PEPTIDES
in stock
€104.95€104.95/mg99%✔ Bridge LabsShop →
9
BEYBEY
BEYOND PEPTIDES
in stock EU
€114.37€114.37/mg99%✔ HPLCShop →
10
24P24P
24PEPTIDES
in stock
€119€119/mg2026-02-01: €128.122026-03-03: €124.402026-04-02: €124.442026-05-02: €128.682026-05-25: €124.332026-06-01: €119.00▼7.1%99%✔ LiquilabsShop →
11
ADRADR
ADRIA SCIENCE
in stock SI
€132.999%✔ HPLCShop →

Prices manually checked and updated monthly — source: publicly available supplier data. No affiliate links, no paid placement.

IGF-1 LR3

Mechanism, evidence level, EU status and COA guidance per compound. No dosages, no protocols — that belongs with a doctor.

Open encyclopedia guide →
PeptideCompare AssistantOnline · replies instantly
Hi! I help you quickly find the right page — about legality, COAs, badges or suppliers. No price advice, no dosing.
Try a question
Find a supplier Questions about a peptide? Read our articles Compare prices
Navigation assistant · no medical advice