4-Amino-Labs
Research Compound Library
A reference library covering mechanism of action, analytical methodology, and sourcing guidance for the compound classes we supply. It exists because reliable reference material for research compounds is usually thin, inconsistent, or written to sell something.
Every product we supply is manufactured to a minimum 98% purity standard and backed by third-party analytical verification. Nothing published here constitutes dosing guidance, a therapeutic claim, or a recommendation for use in humans or animals.
Browse by Mechanism
Peptides
Short chains of amino acids that act as signaling molecules. This section covers mechanism, structure, and the preclinical evidence behind individual research peptides.
View articles → 4 articlesReceptor Modulators
Androgen and estrogen receptor ligands studied for their selective binding profiles — how they influence transcriptional activity at these receptors relative to endogenous hormones.
View articles → 2 articlesAminos & NAD+
Amino acid blends, NAD+ precursors, and vitamin research compounds used as standardized inputs across biochemical study designs.
View articles → 4 articlesAnalytical Methods & Lab Supplies
How purity and identity are actually verified: HPLC, storage stability, reagents, and the lab-supply fundamentals behind reproducible results.
View articles → 22 articlesBuying Guides
Sourcing, vendor comparisons, and practical guidance for ordering research compounds online.
View articles →Latest Articles
Oxytocin: The Unbiased Reference Agonist in a Contested Literature
A mechanism-first review of oxytocin for laboratory researchers: structure, vasopressin cross-reactivity, OXTR signaling, biased agonism, delivery and assay pitfalls, and…
HCG vs Enclomiphene: Different Mechanisms on the Same HPG Axis
HCG and enclomiphene both raise testosterone in HPG-axis research, but one acts directly on testicular LH receptors while the other…
CJC-1295 vs Sermorelin: Same GHRH Receptor, Different Pharmacokinetics
Both CJC-1295 and sermorelin act on GHRH-R, but a modified N-terminus and a fatty-acid conjugate change occupancy time, dosing frequency,…
Best Bacteriostatic Water Suppliers for Reconstitution 2026
Bacteriostatic water benzyl alcohol suppliers ranked for 2026: reagent distributors win on documentation, research chemical suppliers on convenience.
Best Amino Acid Blend Suppliers for Research in 2026
Compare amino acid blend suppliers for research in 2026 — COA depth, testing standards, and which vendor type fits your…
Best Analytical Reagent Suppliers for Labs in 2026
Compare the best analytical reagent suppliers for 2026: 4-Amino-Labs leads on batch-documented purity, with picks for catalog size and multi-site…
Best Sources for Injectable YK-11 in 2026: Ranked
Injectable YK-11 sources for 2026 ranked by COA documentation, solvent transparency, and format — see which supplier type fits your…
Research Chem MK677: Best Suppliers Ranked 2026
Research chem MK677 suppliers ranked by documentation, testing, and order structure for 2026 — see which vendor fits your lab…
Best Selective Androgen Receptor Modulator Suppliers 2026
Compare selective androgen receptor modulator suppliers for research in 2026 by COA documentation, third-party testing, and catalog depth — not…