Shop by goal
Popular compounds
Research resources
Recently viewed
Peptide Comparisons
Side-by-side breakdowns - how two compounds or categories are alike, how they differ, and what the literature usually measures. Mechanisms, not verdicts.
20 articles tagged “Comparisons”
Best Peptides for Weight Loss Research (2026): The GLP-1 Compounds Labs Actually Study
The compounds that dominate weight-loss research - retatrutide (triple agonist), tirzepatide, semaglutide and cagrilintide, plus the GH-axis veteran tesamorelin and the HGH fragment AOD-9604. Ranked by mechanism and reported trial data, honest about what is approved versus investigational and where AOD-9604 fell short. Research use only.
Hexarelin vs CJC-1295: GHSR/CD36 Potency vs GHRH-R Signalling
Hexarelin and CJC-1295 are two ends of the same GH axis - the ghrelin-receptor/CD36 arm against the GHRH-receptor arm. Mechanism, half-life, desensitisation, DAC vs no-DAC, and why the literature co-studies them rather than ranking them. Research use only.
Best Peptides for Testosterone Research (2026): The HPG-Axis Compounds, Explained
Peptides do not boost testosterone the way TRT does - they are studied on the HPG axis. The two research compounds that actually intersect it (kisspeptin upstream, HCG at the testis), why GH-axis peptides do not raise testosterone, and the honest research framing. Research use only; not a TRT substitute.
Tirzepatide (Tirz) Search Demand in the USA: A 2026 Trend Report
US search interest in tirzepatide ("tirz", Mounjaro, Zepbound) climbed steeply from 2022. The search arc, why an FDA-approved drug also drives research-compound interest, and the framing that matters. Search-interest data only - research use only.
Orforglipron: a research guide to the first oral non-peptide GLP-1
Eli Lilly's once-daily oral small-molecule GLP-1 receptor agonist - not a peptide. Mechanism, the ATTAIN Phase 3 data (~12.4% at 72 weeks), why a pill changes access, and how it differs from the research peptides. Research use only.
Oral vs Injectable GLP-1 and Peptide Research
Oral small-molecule GLP-1s and peptide-based injectables differ in manufacturing, storage and research models. A clear, high-level educational explainer.
Peptide Side Effects Comparison: BPC-157, TB-500, GHK-Cu, MOTS-c
Comprehensive peptide side effects comparison chart: BPC-157, TB-500, GHK-Cu, MOTS-c, ipamorelin. Pre-clinical safety data, injection site effects, systemic toxicity, and human evidence gaps.
IGF-1 DES vs IGF-1 LR3: a research guide to the two modified IGF-1 analogues
Des(1-3) IGF-1 vs Long R3 IGF-1 compared - structure, IGF-binding-protein affinity, half-life and potency, the recombinant-protein research context, and the WADA/USADA prohibited status with health-risk warnings. Research use only; not for human use.
Pharmaceutical-grade vs research-grade peptides: what the labels actually mean
GMP and pharmacopoeia standards vs research-use-only purity, why “pharma grade” is often a marketing term on research products, and how to verify what is really in the vial with a per-batch CoA. Research use only.
Ipamorelin vs Sermorelin: two routes to the same GH pulse
Ipamorelin is a selective ghrelin-receptor (GHSR) agonist; sermorelin is a GHRH analogue acting upstream on the pituitary. Mechanism, GH-release shape, side-effect comparison, and why the two are co-studied as a complementary pair. Research use only.
Hexarelin vs Ipamorelin: potency against selectivity
Both are ghrelin-receptor (GHSR) agonists, but hexarelin is the more potent GH releaser with CD36 cardiac activity, while ipamorelin is the cleaner, selective option with slower desensitisation. Mechanism, side effects and desensitisation compared. Research use only.
Tesamorelin vs Sermorelin: two GHRH analogues compared
Both prompt the pituitary through the GHRH receptor, but tesamorelin is a stabilised, more potent molecule with dedicated visceral-fat research, while sermorelin is the shorter GHRH 1-29 fragment. Mechanism, potency and half-life compared. Research use only.
Tirzepatide: a research guide to the dual GLP-1 / GIP agonist
A 39-amino-acid dual agonist developed by Eli Lilly, approved as Mounjaro and Zepbound. Mechanism, half-life, the SURPASS and SURMOUNT trial data, the SURMOUNT-5 head-to-head against semaglutide, and the Tirzepatide research-compound posture.
Semaglutide: a research guide to the GLP-1 single agonist
The 31-amino-acid peptide behind Ozempic, Wegovy and Rybelsus. Mechanism, half-life, the STEP / SUSTAIN / SELECT evidence base, oral vs injectable formulation, and the Semaglutide research-compound posture.
CJC-1295 & ipamorelin: a research guide to the GHRH + GHRP pair
The most-studied GHRH + GHRP research combination. CJC-1295 with DAC vs no-DAC explained, ipamorelin’s selective ghrelin-receptor mechanism, why the pairing has mechanistic logic rather than just marketing logic, and how the pair compares to tesamorelin and sermorelin.
Amino acids vs peptides: the building-block relationship
Amino acids are the monomers; peptides are short chains of them joined by peptide bonds. The plain-English hierarchy - amino acid → peptide → protein - and why sequence is a compound’s identity when reading peptide research.
Is Ozempic a peptide? GLP-1 receptor agonists, explained
Yes - semaglutide is a 31-amino-acid peptide and a GLP-1 receptor agonist. What GLP-1 actually is, how the class works, and why an approved medicine is a different category from a research reagent.
TRT vs peptides: how the comparison is framed
“What is better, TRT or peptides?” is partly a category error. A neutral explainer on how clinics and the literature frame testosterone replacement, enclomiphene and peptide signalling - mechanisms, not a verdict.
Are peptides steroids? The difference, explained
No - amino-acid chains versus a cholesterol-derived ring system, with different receptors and signalling routes. Why the categories get confused, and the one-sentence way to tell them apart.
Semaglutide vs Tirzepatide, simply put
Two heavily studied metabolic peptides side by side: how they are alike, how they differ, and what papers usually measure - without treating either as a consumer product.
Research use only. These articles summarise public literature and catalogue facts. They do not diagnose, treat, or prevent any disease, and are not medical advice.
Browse the full catalogue
Premium research peptides at >99% HPLC-verified purity, third-party tested by Janoshik Analytical with a Certificate of Analysis on every lot. Shipped lab-direct, discreet and cold-chain, worldwide. For laboratory research use only.
Shop
Learn
Company
Support
Ways to Pay
Shop by Compound
Shop by Goal
Ships worldwide
Research use only (RUO). All products are sold strictly for laboratory and research purposes — not for human or veterinary consumption. Purchasers must be 21 or older.
All rights reserved. Copyright of New-U held with Hilxera Distribution Services LLC 2026.
Website & business operated by Hilxera Distribution Services LLC. Registered in Wyoming, ID: 2026-001928701.
© 2026 New-U Research Compounds · new-u.io · @new.u.io