Research Comparison

IGF-1 vs IGF-1 LR3

Side-by-side research comparison of IGF-1 and IGF-1 LR3 across our PubMed, ClinicalTrials.gov, and EuropePMC corpus. 14 head-to-head studies plus 109 on IGF-1 and 18 on IGF-1 LR3.

14 head-to-head · 109 on IGF-1 · 18 on IGF-1 LR3

At a glance

  IGF-1 IGF-1 LR3
Drug class growth factor growth factor
Studies in corpus 109 18
Highest evidence tier meta analysis review
Evidence tier mix cohort · 5 rct · 22 other · 27 case series · 1 meta analysis · 2 case report · 2 review · 12 preclinical animal · 27 in vitro · 6 preclinical animal · 12 in vitro · 3 other · 2 review · 1
Studies with explicit sample size 10 1
Head-to-head studies in corpus 14

Lab evidence, head to head

Beyond the literature: here's what third-party Certificate-of-Analysis records (Janoshik, BCC, Auxlabs) say about real IGF-1 and IGF-1 LR3 batches we've tested. Aggregate, public data — cross-reference against the studies below.

IGF-1

We tested 17 IGF-1 batches across 10 manufacturers, 99.17% avg purity.

17
Batches tested
10
Manufacturers
99.17%
Avg purity
All IGF-1 COA records →

IGF-1 LR3

Fewer than 3 published IGF-1 LR3 COA records so far — not enough for a meaningful purity aggregate yet. Browse what we have →

Head-to-head studies

Studies in our corpus that mention both IGF-1 and IGF-1 LR3 — the gold-standard direct comparison evidence.

Top studies per peptide

Vendor data

Looking for vendor-level purity, endotoxin, and HPLC data on IGF-1 or IGF-1 LR3? TitrateLab tracks Certificate-of-Analysis records from the major peptide labs (Janoshik, BCC, Auxlabs) alongside the research above. Cross-reference vendor batches against the studies on this page.

Explore each peptide