Peptides DB

Research-centric peptide and protocol reference hub

Peptide Research Blog

How-to guides, evidence reviews, and peptide research news. Every article cites primary sources, carries a published / updated date, and links to the per-peptide research profiles in the library.

Anti-Aging Peptide Stack: What the Evidence Actually Supports

Jun 14, 2026

Most 'anti-aging peptide stacks' over-promise. Here's a defensible combination — NAD+, GHK-Cu, Epitalon, SS-31 — with what each does, what the evidence supports, and what's speculative.

stack6 min read

Are Peptides Safe? Evidence Review of Risks, Side Effects & Regulatory Status

Jun 14, 2026

An evidence-based safety review for research peptides — what the data shows on side effects, what 'research-use only' really means, FDA status, and red-flag patterns to watch for.

safety8 min read

BAC Water for Peptides: What It Is, Why It Matters

Jun 14, 2026

Bacteriostatic water is the standard solvent for reconstituting research peptides. Here's what it is, why peptides need it, and how to choose, store, and use it correctly.

how-to5 min read

Best Peptides for Anti-Aging: Evidence-Backed Ranking

Jun 14, 2026

The peptides with the strongest evidence for aging-related endpoints — Epitalon, NAD+, GHK-Cu, SS-31, FOXO4-DRI — with what each does and realistic expectations.

roundup4 min read

Best Peptides for Fat Loss: Evidence-Based Roundup

Jun 14, 2026

Ranked roundup of peptides studied for fat loss — GLP-1 / GIP agonists, GH-axis fragments, and supporting metabolic peptides — with mechanism, evidence quality, and how to choose.

weight-loss6 min read

Best Peptides for Hair Growth: AHK-Cu, GHK-Cu, Thymulin

Jun 14, 2026

Copper peptides (AHK-Cu, GHK-Cu) and Thymulin are the peptides with usable hair-growth evidence. Here's what each does and how they fit in a routine with minoxidil and finasteride.

roundup4 min read

Best Peptides for Healing: Tissue Repair & Recovery

Jun 14, 2026

BPC-157, TB-500, GHK-Cu, MGF — the peptides with the strongest evidence for soft-tissue repair, tendon healing, and post-injury recovery. Ranked roundup with cycle guidance.

roundup4 min read

Best Peptides for Joint Pain & Tendon Repair

Jun 14, 2026

BPC-157, TB-500, GHK-Cu, Cartalax, MGF — the peptides with the strongest joint-pain and tendon-repair evidence. Ranked roundup with usage guidance.

roundup4 min read

Best Peptides for Sleep: DSIP, Epitalon, and Others

Jun 14, 2026

Peptides studied for sleep quality, deep sleep, and circadian regulation — DSIP, Epitalon, Pinealon, and GH secretagogues — with realistic expectations and how they compare.

roundup3 min read

BPC-157 vs TB-500: How They Compare for Healing

Jun 14, 2026

BPC-157 and TB-500 are the two most-discussed healing peptides. Here's how they actually compare on mechanism, evidence, dosing, side effects, and which one (or both) makes sense for which goal.

comparison7 min read

Cagrilintide Explained: Amylin Agonist + CagriSema Combination

Jun 14, 2026

Cagrilintide (AM833) is Novo Nordisk's long-acting amylin receptor agonist. Combined with Semaglutide it produces ~17–22% weight loss in Phase 3 trials with a different mechanism than GLP-1.

news4 min read

CJC-1295 / Ipamorelin vs Sermorelin: GH Secretagogue Choices

Jun 14, 2026

CJC-1295 + Ipamorelin stack vs Sermorelin alone — mechanism differences, GH pulse magnitude, side-effect profiles, and which to choose for which goal.

comparison6 min read

Copper Peptides: GHK-Cu, AHK-Cu, and What They Actually Do

Jun 14, 2026

Copper peptides — GHK-Cu, AHK-Cu — and what the evidence shows for skin regeneration, hair growth, and wound healing. Topical vs injected, dosing, side effects.

cosmetic4 min read

How to Inject Peptides: Subcutaneous Technique

Jun 14, 2026

How to give a subcutaneous peptide injection with an insulin syringe — supplies, technique, common mistakes, and safety. Plain-language walkthrough.

how-to5 min read

How to Reconstitute Peptides: Step-by-Step

Jun 14, 2026

Step-by-step guide to reconstituting research peptides with bacteriostatic water — supplies, technique, dose calculation, storage, and a worked example.

how-to5 min read

How to Use Peptides: Beginner Pillar Guide

Jun 14, 2026

A beginner pillar covering what peptides are, how to choose one, dosing math, cycle structure, stack logic, and the safety frame — with links to every operational guide on the site.

how-to4 min read

Ipamorelin vs CJC-1295: Mechanism, Effects, and Why They're Stacked

Jun 14, 2026

Ipamorelin and CJC-1295 work on different receptors and are commonly combined. Here's how they compare individually and why the stack produces a larger GH pulse than either alone.

comparison6 min read

Peptide Cycling: Why, How Long, and When to Stop

Jun 14, 2026

Why most research peptides are cycled rather than dosed continuously, what cycle lengths the literature supports, how to design loading and maintenance phases, and how to plan washouts.

how-to5 min read

Peptide Injections: A Practical Reference Guide

Jun 14, 2026

Everything about peptide injection — supplies, subcutaneous vs intramuscular, sites and rotation, dosing math, what to watch for, and when to escalate to a clinician.

how-to6 min read

Peptide Side Effects: What the Evidence Actually Shows

Jun 14, 2026

A class-by-class summary of peptide side effects — GLP-1 agonists, GH secretagogues, healing peptides, melanocortin agonists — with red-flag patterns that warrant stopping immediately.

safety5 min read

How Much Does Peptide Therapy Cost? Full 2026 Pricing Guide

Jun 14, 2026

Peptide therapy pricing ranges from $25/month (insurance-covered GLP-1) to $1,500+/month (cash-pay GH or stacked protocols). Here's the breakdown by category — drugs, clinic fees, labs.

lead-gen6 min read

Peptide Therapy: What It Is, Who It's For, How It Works

Jun 14, 2026

Peptide therapy delivers research peptides under clinician supervision for weight loss, recovery, hormonal optimization, and other indications. Here's the evidence, the landscape, and how to evaluate a provider.

lead-gen6 min read

Peptides for Muscle Growth: Evidence-Based Guide

Jun 14, 2026

What the data shows on peptides for muscle hypertrophy, recovery, and performance — GH secretagogues, IGF-1 analogs, myostatin inhibitors, and how to compare options.

muscle-growth6 min read

Peptides for Skin: Anti-Aging, Repair, and What Works

Jun 14, 2026

The cosmetic peptides backed by real evidence — copper peptides, Argireline, Matrixyl, SNAP-8 — what each does, how to combine them, and how to choose a serum.

cosmetic5 min read

Peptides for Weight Loss: Evidence-Based Guide (2026)

Jun 14, 2026

What the data actually shows on GLP-1, GIP, glucagon, and amylin peptides for weight loss — mechanisms, real-world results, side effects, and how the major options compare.

weight-loss7 min read

Retatrutide Explained: The Triple-Receptor Weight-Loss Drug in Phase 3

Jun 14, 2026

Retatrutide (LY3437943) is a GLP-1 + GIP + glucagon triple receptor agonist producing ~24% weight loss at 48 weeks in Phase 2 trials. Here's what it is, how it works, and where it stands.

news4 min read

Semaglutide vs Tirzepatide: Mechanism, Trial Data, Which to Choose

Jun 14, 2026

Semaglutide vs Tirzepatide — head-to-head on mechanism (GLP-1 vs GIP+GLP-1), Phase 3 weight loss (~15% vs ~21%), side effects, cardiovascular evidence, and how to choose.

comparison6 min read

SLU-PP-332 Explained: The 'Exercise Mimetic' ERR Agonist

Jun 14, 2026

SLU-PP-332 is a synthetic pan-ERR agonist that mimics endurance-exercise gene expression in animal models. Here's what's actually known, what's speculative, and why caution is warranted.

news4 min read

Tirzepatide vs Retatrutide: Dual vs Triple Receptor Agonism

Jun 14, 2026

Tirzepatide is FDA-approved GIP+GLP-1 dual agonism (~21% weight loss). Retatrutide is GLP-1+GIP+glucagon triple agonism in Phase 3 (~24% Phase 2). Here's how they compare.

comparison5 min read

Peptide Stack for Weight Loss: Defensible Combinations

Jun 14, 2026

What 'peptide stack for weight loss' actually means — the defensible combinations (CagriSema, GLP-1 + Tesamorelin, GLP-1 + healing peptides), what to avoid, and why training plus protein is the load-bearing partner.

stack5 min read

What Are Peptides? A Definition for Researchers and Patients

Jun 14, 2026

A clear definition of peptides — what makes a peptide a peptide, how they differ from proteins and small molecules, why they're injected, and the major classes used in research and medicine.

definition5 min read

Where to Inject Peptides: Sites, Rotation, and Why It Matters

Jun 14, 2026

Subcutaneous injection sites for peptides — abdomen, thigh, upper arm, glute — with rotation strategy, pinch technique, and what to do if a site gets sore or lumpy.

how-to5 min read

Wolverine Stack: BPC-157 + TB-500 for Healing

Jun 14, 2026

The Wolverine Stack pairs BPC-157 with TB-500 for soft-tissue and tendon recovery. Mechanism rationale, dosing patterns, what the evidence shows, and how to actually run the cycle.

stack6 min read