Research Roundup8 min read
Eli Lilly is fighting the FDA over whether retatrutide is a small-molecule drug or a biologic — a distinction that turns on amino-acid counting and could reshape competition, compounding, and the obesity-drug market. Here's what's actually at stake.
Beginner Guide9 min read
What is BPC-157? Learn how this research peptide works, what the research says, and how to compare prices across vendors — all in one place.
Beginner Guide9 min read
What is retatrutide? Discover how this triple-agonist research peptide works, what the clinical data shows, and how to compare prices across vendors.
Beginner Guide8 min read
What is NAD+? Learn how this research molecule works, what the science says about aging and metabolism, and how to compare NAD+ prices across vendors.
Beginner Guide9 min read
What is tesamorelin? Learn how this growth hormone-releasing research peptide works, what the FDA data shows, and how to compare prices across vendors.
Beginner Guide8 min read
What is TB-500? Learn how this research peptide works, what the science says about tissue repair, and how to compare TB-500 prices across vendors.
Research Roundup8 min read
What is MOTS-c? Learn how this mitochondrial-derived peptide works, what the research says about metabolism and aging, and how to compare prices across vendors.
Research Roundup8 min read
What is Semax? Learn how this ACTH-derived nootropic peptide works, what the clinical research shows for cognition and neuroprotection, and how to compare prices.
Research Roundup8 min read
What is Selank? Learn how this tuftsin-derived anxiolytic peptide works, what clinical research shows for anxiety and stress, and how to compare prices across vendors.
Beginner Guide9 min read
What is CJC-1295? Learn how this GHRH analogue works, the key differences between With DAC and No DAC variants, and how to compare prices across vendors.
Beginner Guide8 min read
What is ipamorelin? Learn how this selective growth hormone-releasing peptide works, what clinical research shows, and how to compare ipamorelin prices across vendors.
Vendor Guides8 min read
Retatrutide vendor comparison for 2026. Per-mg pricing, COA notes, and what to look for before buying research-grade retatrutide.
Deals7 min read
Where to find the cheapest research-grade semaglutide in Q2 2026, plus a COA checklist for verifying a sema vendor before buying.
Buyer Guide10 min read
Six concrete criteria for checking whether a peptide vendor is trustworthy — named labs, batch COAs, endotoxin, address, track record, reviews.
Comparison11 min read
BPC-157 vs TB-500 — the two most-researched recovery peptides. We break down the mechanisms, evidence, side-effect profiles, and current vendor pricing for each.
Recovery & Joint Health13 min read
Looking at peptides for joint pain or tendon recovery? We rank the 7 most-researched options by evidence quality, side-effect profile, and current 2026 vendor pricing.
GLP-1 / Weight Loss14 min read
Semaglutide vs Tirzepatide vs Retatrutide — three generations of GLP-1 weight-loss peptides compared on efficacy, side effects, FDA status, and current 2026 vendor pricing.
Vendor Review10 min read
Modern Aminos has 1,300+ Trustpilot reviews at 5.0 — the deepest review footprint of any peptide vendor. We break down whether the rating holds up to independent COA verification.
Goal-Specific Guide12 min read
The 8 best-researched peptides for women, ranked by evidence base and current vendor pricing. Covers GLP-1s for weight loss, GHK-Cu for skin, BPC-157 for recovery, and more.
Compound Deep-Dive11 min read
PT-141 is the only FDA-approved peptide for sexual dysfunction. We break down the mechanism, evidence base, side effects, dosing patterns, and current vendor pricing.