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Plain-language guides.

The questions people actually have when they're starting peptide therapy. Answered straight, with sources where they matter.

Every compound, explained

199 compounds in plain English — what each one is, how it works, and what the research actually says. Tap a name.

5-Amino-1MQ Abaloparatide Acetyl hexapeptide-8 Acetyl tetrapeptide-5 Adamax AHK-Cu Albiglutide Alpha-GPC alphaKlothoLR Amycretin Angiotensin II AOD-9604 Apraglutide ARA-290 Aviptadil Bacitracin Bacteriostatic Water Balixafortide Beauty Blend Bivalirudin BPC-157 Brilacidin Bromantane Cagrilintide CagriSema Calcitonin-salmon Cardiogen Carnosine Cartalax Cerebrolysin Cetrorelix CJC-1295 (DAC) CJC-1295 (no DAC) CJC-1295 + Ipamorelin + Tesamorelin Corticotropin Cosyntropin Cyclosporine Daptomycin Dasiglucagon Davunetide Degarelix Desirudin Desmopressin Difelikefalin Dihexa DSIP Dulaglutide Ecallantide Echinocandins Efpeglenatide Eloralintide Enfuvirtide Enlicitide Epitalon Eptifibatide Etelcalcetide Exenatide FLGR-242 Follistatin-344 Ga-68 dotatate Ganirelix GHK-Cu GHK-Cu + KPV 70 GHRP-2 GHRP-6 Glepaglutide GLOW Glucagon Glutathione Gonadorelin Goserelin Halo 110 HCG Hexapeptide-9 Hexarelin Histrelin Humanin Icatibant IGF-1 DES IGF-1 LR3 Insulin analogs Ipamorelin Ipamorelin + CJC-1295 Kisspeptin-10 KLOW KLOW 2.0 KLOW Pro KPV L-Carnitine Lanreotide Larazotide acetate Leuprolide Linaclotide Lipo-B Lipoglycopeptides Liraglutide Livagen Lixisenatide LL-37 LTX-315 Lutetium Lu-177 dotatate Lutetium Lu-177 vipivotide tetraxetan Mazdutide Mecasermin Mechano growth factor Melanotan I Melanotan II Methylene Blue MitoStack MK-677 Motixafortide MOTS-c Murepavadin NAD+ NAD+ + MOTS-c + 5-Amino-1MQ 120 NAD+ + MOTS-c + 5-Amino-1MQ 170 Nafarelin Nangibotide Nesiritide NNZ-2591 Nonapeptide-1 Octreotide Oligopeptide-1 Orforglipron Oxytocin P21 Palmitoyl hexapeptide-12 Palmitoyl pentapeptide-4 Palmitoyl tetrapeptide-7 Palmitoyl tripeptide-1 Palmitoyl tripeptide-38 Palopegteriparatide Parathyroid hormone Pasireotide PE-22-28 PEG-MGF Pegcetacoplan Pegvisomant Pemvidutide Pentapeptide-18 Petrelintide Pinealon Plecanatide PN-943 Polymyxin B / Colistin Pramlintide Prostamax PT-141 Recovery Stack Retatrutide Retatrutide + Cagrilintide Retatrutide + Eloralintide Rusfertide Secretin Selank Selank + Semax Selepressin Semaglutide Semax Sermorelin Setmelanotide Sincalide SLU-PP-332 SLU-PP-915 SNAP-8 Somapacitan SS-31 SS-31 + MOTS-c 20 Survodutide SYN-AKE TB-500 Teduglutide Teriparatide Terlipressin Tesamorelin Tesamorelin + Ipamorelin 10 Tesamorelin + Ipamorelin 13 Tesamorelin + Ipamorelin 16 Tesofensine Testagen Thymalin Thymogen Thymosin Alpha-1 Thymosin beta-4 Thymulin Tirzepatide Tripeptide-10 citrulline Triptorelin Trofinetide Twincretin Vancomycin Vasopressin Vesugen Vilon VIP Vitamin B12 Vosoritide Wolverine Wolverine Max Wolverine+ Ziconotide Zilucoplan

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Guide

How to reconstitute peptides

BAC water, the vacuum trick, and mixing until clear — the first-timer's walkthrough.

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Guide

How to calculate your dose

Milligrams, milliliters, and insulin-syringe units — demystified with worked examples.

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Tool

Dose calculator

Vial size and water in, exact units-to-draw out. No arithmetic at the counter.

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App

goodtides Companion

Track doses, vials, supplies and streaks — free, on your phone, works offline.

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Trust

Our standards

What we test, how we store, and the paperwork that proves every claim.

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Story

Why goodtides exists

The founder's own bloodwork, before and after. The receipts behind the brand.

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Evidence

FLGR-242: We Could Not Find a Single Published Study

We found no published research on FLGR-242 in any scientific index or chemical registry we could reach. Here is each claim the seller makes for it, beside what has been published or measured on that point.

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Evidence

MID-35: Five Papers, Every One of Them in Mice

MID-35 is a real, well-characterised myostatin peptide — and its entire evidence base is mouse muscle. What is published, and the three things that never have been.

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Guide

Bacteriostatic Water vs Sterile Water: Which to Use

The one-ingredient difference between the two diluents, the 28-day multi-dose window, and when preservative-free is required.

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Guide

How to Read a Peptide COA (And Spot a Fake)

What each field on a peptide COA proves — and why a 99% purity figure tells you nothing about how much is in the vial.

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Guide

Insulin Syringe Units Explained: What 20 Units Means

How to read a U-100 insulin syringe: barrel sizes, graduations, dead space, the U-40 mismatch, and the half-unit precision floor.

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Guide

Peptide Storage and Shelf Life: Powder vs Solution

The real shelf life of a peptide before and after mixing — temperatures by state, the 28-day rule, light, and travel.

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Study

1,847 Lab Certificates: 84.7% of Vials Miss Their Label

1,847 peptide COAs: 84.7% of vials measured over their labeled mg, median 6.9%. Why it happens and what it does to your dose.

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