IGF-1 vs IGF-1 LR3: The Difference, Why Labs Use LR3, and the Risks
Research Comparison · 7 min read · Updated October 2026 Short answer: IGF-1 is the natural hormone; IGF-1 LR3 is
Comparisons
The Selank Mistakes Almost Everyone Makes (Before the Vial Is Even Open)
Selank is not a natural benzo, it is not Semax, and N-Acetyl Selank Amidate is not the molecule in the research. The 9 most common Selank mistakes, what the studies really show, and the one that can be dangerous.
Kisspeptin vs HCG vs PT-141: Three Levels of the Same System
Kisspeptin acts at the top of the reproductive axis, HCG at the bottom, and PT-141 on a separate brain pathway. Where each one acts and what the research shows.
CJC-1295 vs Tesamorelin vs Ipamorelin: Three Answers to the Same Problem
Native GHRH survives only minutes. CJC-1295, tesamorelin and ipamorelin solve that in three different ways. How each was engineered, what the data shows and how labs choose.
Wolverine vs GLOW vs KLOW: Which Peptide Blend Does What?
Three popular repair-research blends, each built by adding one peptide to the last. What BPC-157, TB-500, GHK-Cu and KPV each contribute, and the price-per-mg trap to avoid.
Selank vs Semax: Same Lab, Two Very Different Peptides
Selank and Semax share a stabilizing tail and a Moscow birthplace, but one comes from an immune peptide and the other from ACTH. Here is how their research differs.
BPC-157 vs TB-500: Roads vs Trucks (and Why Labs Use Both)
BPC-157 and TB-500 are compared constantly, but they are studied for different jobs: blood supply versus cell migration. Here is the research, side by side.