PEPTIDES·INDEX
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Guides & articles

Plain-language explainers, category overviews and handling references — written for the research-use context, with prices you can act on.

Basics

Basics

GLOW Peptide Blend: What's Actually Inside, and What the Evidence Shows

GLOW isn't a molecule — it's a marketing name for a three-peptide blend (GHK-Cu, BPC-157, TB-500) that vendors mix at different ratios. Here's what's inside, an honest evidence grade for each component, and what the research does and doesn't support.

GuideAug 11, 2026
Basics

Tesamorelin, Explained: Visceral Fat, Dosing & Realistic Results

Tesamorelin is the one growth-hormone peptide with real FDA-approval behind it — but for visceral fat, not general weight loss. Here's how it works, the 2 mg protocol, a realistic before-and-after timeline, and the safety trade-offs.

GuideJun 29, 2026
Basics

Kisspeptin for Libido & Testosterone: Benefits, Dosing & Safety

Kisspeptin is the upstream hormone that switches on the reproductive axis — driving GnRH, LH/FSH, and testosterone or estrogen. This evidence-based guide covers what it does, the benefits research actually supports, dosing, and safety.

GuideJun 8, 2026
Basics

How to Reconstitute Peptides: Step-by-Step Guide + BAC Water Chart (2026)

Reconstituting a peptide means turning the freeze-dried powder into a liquid you can measure. This guide covers exactly what you need, the step-by-step method, the concentration math, and a mg-by-mg BAC water chart.

GuideJun 8, 2026
Basics

BPC-157: An Evidence-Tiered Guide to Healing, Dosing & Safety

BPC-157 is a 15-amino-acid synthetic peptide with promising animal data on tissue repair, gut healing, and inflammation — but limited human trials. This evidence-tiered guide covers everything you need to make an informed decision.

GuideJun 5, 2026
Basics

Tirzepatide: Mechanism, Trial Data, Dosing & Sourcing (2026)

A comprehensive reference covering tirzepatide's dual GIP/GLP-1 mechanism, SURMOUNT and SURPASS trial data, research dosing ranges and titration, reconstitution protocols, side-effect profile, and honest comparisons against semaglutide, Ozempic, and retatrutide. Covers compounded and research-grade sourcing and FDA 503A/503B 2025 status.

GuideJun 3, 2026
Basics

Retatrutide Complete Guide: Phase 3 Results, Dosing, Side Effects & FDA Status

A comprehensive scientific overview of retatrutide — a GLP-1/GIP/glucagon triple agonist investigational peptide in Phase 3 trials. Covers mechanism of action, Phase 2 and Phase 3 trial data, reported research dosing and titration schedules, reconstitution, side effects, comparison to tirzepatide and semaglutide, and current FDA status. Research use only.

GuideJun 3, 2026

More guides

Buying Guides

Buying GLOW Peptide: What It Costs, Cheapest Vendors and COAs

GLOW is sold by a handful of research-peptide vendors at very different cost-per-mg. Here's the live pricing, how to vet a seller by its COA, and the real math on blend-vial vs. buying GHK-Cu, BPC-157 and TB-500 on their own.

ArticleAug 11, 2026
Comparisons

GLOW vs KLOW: Which Peptide Blend Is Better? The KPV Difference

GLOW and KLOW are nearly identical skin-and-recovery blends — the single difference is KLOW's 10 mg of KPV. This is an honest look at what KPV actually does (and doesn't), the evidence behind the inflammation angle, the cost-per-dose math, and which blend makes more sense.

ArticleJul 3, 2026
Buying Guides

Tesamorelin for Sale: Vendor Prices, Purity & COAs Compared

A research-use buyer's guide to tesamorelin: live cost-per-mg across vetted US vendors, the COA and purity criteria that separate good suppliers from the rest, and how research-grade differs from prescription Egrifta.

ArticleJun 29, 2026
Comparisons

Best Peptides for Muscle Growth in 2026: Evidence, Stacks & Where to Buy

An evidence-ranked look at the peptides used for muscle growth — from the GH-secretagogue 'builders' (CJC-1295 + ipamorelin, IGF-1 LR3, MK-677) to the BPC-157 + TB-500 recovery pair — with stacks, cost per mg, and an honest read on the evidence and the rules.

ArticleJun 29, 2026
Buying Guides

Where to Buy Kisspeptin: Price & Quality Comparison (2026)

A research-use buyer's guide to kisspeptin: live multi-vendor price comparison, cost-per-mg context, the COA and purity criteria that matter, and KP-10 vs KP-54.

ArticleJun 8, 2026
Comparisons

Retatrutide vs Tirzepatide: Mechanism, Efficacy, Dosing & Cost (2026)

A research-focused head-to-head: retatrutide's triple-agonist mechanism vs tirzepatide's dual-agonist approach, what the trials actually showed, side effects, dosing, and live cost-per-mg.

ArticleJun 8, 2026
Tools

Peptide Reconstitution Calculator: BAC Water & Syringe Units

Enter your vial size, BAC water volume, and target dose — get the exact syringe units to draw, plus concentration and doses-per-vial. Supports single peptides and blends.

ArticleJun 8, 2026
Comparisons

Best Peptides for Weight Loss & Fat Loss in 2026: Cost & Evidence

An evidence-ranked look at the peptides used for fat loss — from the GLP-1 heavyweights (tirzepatide, retatrutide, semaglutide) to amylin and growth-hormone-fragment compounds — with real trial data, cost per mg, and where to buy.

ArticleJun 7, 2026
Buying Guides

Where to Buy Tirzepatide Peptide: Price & Quality Comparison (2026)

A live, multi-vendor comparison of US suppliers offering research-grade tirzepatide peptide — with cost-per-mg, purity data, and COA transparency rated side by side. Research use only.

ArticleJun 3, 2026
Buying Guides

Where to Buy Retatrutide: Price & Quality Comparison (2026)

A neutral, side-by-side comparison of the vendors currently offering research-grade retatrutide — with live pricing, verified COA data, and a projected monthly cost breakdown across reported research titration schedules. Research use only.

ArticleJun 3, 2026
Buying Guides

Where to Buy BPC-157: Price & Quality Comparison (2026)

Not all BPC-157 vendors are equal — purity, third-party testing, and price per mg vary widely. This live comparison ranks vetted suppliers on the metrics that actually matter, so you don't have to dig through Reddit threads.

ArticleJun 2, 2026
Buying Guides

Understanding Cost Per Mg: The Right Way to Compare Peptide Prices

Sticker price hides the real value. Here's how cost-per-mg lets you compare peptide listings apples-to-apples across vendors and vial sizes.

GuideJun 2, 2026