122 peptides · 7 categories · free
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Retatrutide
Triple agonist (GLP-1 / GIP / glucagon) in Phase 3 metabolic research.
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Semaglutide
GLP-1 analogue widely studied for weight and glycemic research.
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Tirzepatide
Dual GLP-1 / GIP agonist used in metabolic research.
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BPC-157
Pentadecapeptide studied for soft-tissue repair models.
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Ipamorelin
Selective ghrelin receptor agonist, mild GH pulse.
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CJC-1295 DAC
Long-acting GHRH analogue with drug affinity complex.
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TB-500
Synthetic thymosin beta-4 fragment.
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Retatrutide
Triple agonist (GLP-1 / GIP / glucagon) in Phase 3 metabolic research.
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Semaglutide
GLP-1 analogue widely studied for weight and glycemic research.
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Tirzepatide
Dual GLP-1 / GIP agonist used in metabolic research.
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Liraglutide
Daily GLP-1 analogue, predecessor to semaglutide.
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CagriSema
Cagrilintide + semaglutide combination under study.
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Cagrilintide
Long-acting amylin analogue paired with GLP-1 agents.
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Mazdutide
Dual GLP-1 / glucagon receptor agonist.
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Survodutide
GLP-1 / glucagon dual agonist in clinical study.
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Orforglipron
Oral non-peptide GLP-1 receptor agonist.
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GLP2
GLP-2 analogue studied for intestinal repair.
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GLP3
Experimental GLP-3 sequence.
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Retatrutide Triblend
Blended research preparation of retatrutide.
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Adipotide (FTPP)
Pro-apoptotic peptide studied for adipose tissue.
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AOD9604
Modified hGH fragment investigated for fat metabolism.
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hGH Fragment 176-191
C-terminal fragment of human growth hormone.
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Pemvidutide
Dual GLP-1 / glucagon agonist in metabolic research.
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VK2735
Dual GLP-1 / GIP agonist under investigation.
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MariTide (AMG-133)
GLP-1 agonist / GIPR antagonist conjugate.
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Danuglipron
Oral small-molecule GLP-1 receptor agonist.
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Amycretin
GLP-1 / amylin dual agonist under study.
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Cotadutide
GLP-1 / glucagon dual agonist.
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Efinopegdutide
GLP-1 / glucagon dual agonist in metabolic research.
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Lotiglipron
Oral non-peptide GLP-1 receptor agonist.
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Tesofensine
Monoamine reuptake inhibitor studied for weight research.
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CJC-1295 DAC
Long-acting GHRH analogue with drug affinity complex.
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ModGRF 1-29 (CJC-1295 No DAC)
Short-acting GHRH analogue, pulsatile profile.
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Ipamorelin
Selective ghrelin receptor agonist, mild GH pulse.
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GHRP-2
Synthetic GH secretagogue.
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GHRP-6
Older GH secretagogue with appetite signaling.
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GHRH
Native GH-releasing hormone reference compound.
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Hexarelin
Potent GH secretagogue investigated for cardiac models.
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Sermorelin
GHRH (1-29) analogue.
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Tesamorelin
Stabilised GHRH analogue.
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MK-677 (Ibutamoren)
Orally active ghrelin receptor agonist.
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MGF (C-terminal)
Mechano growth factor C-terminal peptide.
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PEG-MGF
Pegylated mechano growth factor variant.
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Follistatin-315
Myostatin-binding follistatin isoform.
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Follistatin-344
Alternative follistatin isoform.
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Tesa Ipa Blend
Tesamorelin + ipamorelin research blend.
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IGF-1 LR3
Long R3 insulin-like growth factor-1 analogue.
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IGF-1 DES
Truncated IGF-1 (DES 1-3) variant.
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PEG-IGF-1
Pegylated IGF-1 with extended half-life.
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ACE-031
Activin receptor IIB fusion studied for muscle research.
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GDF11
Growth differentiation factor 11, TGF-β family.
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MGF + IGF-1 LR3 Blend
Research blend of MGF and IGF-1 LR3.
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PEG-MGF + IGF-1 Blend
Research blend of PEG-MGF and IGF-1.
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HCG
Human chorionic gonadotropin reference compound.
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HMG
Human menopausal gonadotropin reference compound.
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BPC-157
Pentadecapeptide studied for soft-tissue repair models.
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TB-500
Synthetic thymosin beta-4 fragment.
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GHK Basic
Tripeptide implicated in tissue remodeling.
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GHK-Cu (Copper Peptide)
Copper-bound GHK studied in skin and wound research.
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LL-37 (CAP-18)
Cathelicidin antimicrobial peptide.
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KPV
Tripeptide tail of alpha-MSH with anti-inflammatory study.
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ARA-290
Erythropoietin-derived peptide investigated for neuropathy.
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Thymagen
Short peptide studied for thymic signaling.
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B7-33
Single-chain relaxin analogue.
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Pancragen
Pancreatic short peptide bioregulator.
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Prostamax
Prostate-targeted peptide bioregulator.
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Testagen
Thymic peptide bioregulator.
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Vesugen
Vascular peptide bioregulator.
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Vilon
Dipeptide bioregulator studied for immune signaling.
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Livagen
Tetrapeptide bioregulator.
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Chonluten
Bronchial bioregulator peptide.
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Bronchogen
Bronchial peptide bioregulator.
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Cartalax
Cartilage-targeted bioregulator.
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Ovagen
Liver bioregulator peptide.
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Vesilute
Bladder-targeted peptide bioregulator.
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Triptorelin
GnRH agonist reference peptide.
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Gonadorelin (GnRH)
Native gonadotropin-releasing hormone.
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Kisspeptin-10
Kisspeptin fragment studied in reproductive signaling.
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Oxytocin
Posterior pituitary nonapeptide.
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Thyrotropin (TRH)
Thyrotropin-releasing hormone.
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VIP
Vasoactive intestinal peptide.
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Thymosin Alpha-1
Thymic peptide studied for immune modulation.
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Thymosin Beta-4
Full-length thymosin β-4 peptide.
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Thymulin
Zinc-bound thymic peptide hormone.
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PEG-BPC-157
Pegylated long-acting BPC-157 variant.
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ACTH 1-39
Full-length adrenocorticotropic hormone.
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Crystagen
Immune system peptide bioregulator.
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Adamax
Short peptide research preparation.
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Semax
ACTH-derived peptide studied in cognition research.
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N-Acetyl Semax Amidate
Stabilised semax variant.
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Selank
Tuftsin analogue studied for anxiolytic models.
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N-Acetyl Selank Amidate
Stabilised selank variant.
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Cerebrolysin
Porcine brain peptide preparation, 215 mg/mL solution.
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Cortagen
Cortical peptide bioregulator.
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Pinealon
Pineal peptide bioregulator.
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Epithalon (Epitalon)
Tetrapeptide studied for telomerase signaling.
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N-Acetyl Epithalon Amidate
Stabilised epithalon variant.
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DSIP
Delta sleep-inducing peptide.
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Noopept
Dipeptide nootropic compound.
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P21 (P021)
CNTF-derived peptide in neurogenesis research.
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PE-22-28
Spadin analogue studied for mood models.
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9-Me-BC
9-Methyl-beta-carboline research compound.
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Humanin
Mitochondrial-derived peptide.
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Dihexa
Angiotensin IV-derived peptide in cognition research.
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NSI-189
Neurogenic research compound.
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PRL-8-53
Memory-research benzyl amine compound.
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Orexin-B
Hypothalamic peptide studied for wakefulness.
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Melanotan 2
Melanocortin agonist studied for pigmentation.
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PT-141 (Bremelanotide)
Melanocortin agonist studied in sexual response research.
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Snap-8
Acetyl octapeptide studied for cosmetic muscle signaling.
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Klow (Acetyl peptide blend)
Cosmetic peptide blend.
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Klow8
Variant of klow cosmetic blend.
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Lemon Bottle
Lipolytic cosmetic preparation.
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Glutathione
Tripeptide antioxidant used in cosmetic research.
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Copper Tripeptide-1
GHK-Cu cosmetic copper peptide.
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Matrixyl
Palmitoyl pentapeptide for cosmetic research.
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Argireline
Acetyl hexapeptide-3 for cosmetic muscle signaling.
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MOTS-c
Mitochondrial-derived peptide studied in metabolic research.
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SS-31
Mitochondria-targeted antioxidant tetrapeptide.
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NAD+
Nicotinamide adenine dinucleotide research solution.
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FOXO4-DRI
Senolytic peptide studied for cellular aging.
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Cardiogen
Cardiac peptide bioregulator.
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BAM-15
Mitochondrial uncoupler research compound.
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SLU-PP-332
ERR agonist research compound.
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Methylene Blue
Phenothiazine compound studied for mitochondrial function.
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MitoBurn
L-BAIBA metabolic research compound.
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How it works
Three steps to a clean syringe reading
Step 01
Pick a peptide
Browse by category or search the library of 122 research peptides.
Step 02
Enter your target
Set vial strength, BAC water volume and the dose you want per injection.
Step 03
Read the syringe
Get the exact unit mark, plus storage, titration and FAQ notes.
From the library
Guides & deep dives
Calculator Basics
Peptide Reconstitution Calculator: BAC Water, mg, mcg & Units
If a vial says 5mg and the BAC water bottle says 2mL, the calculator turns those two numbers into a clean syringe reading.
BAC Water
How Much BAC Water to Add to a Peptide Vial?
There is no single 'correct' BAC water volume. There's the volume that makes your syringe math easy.
Formulas
Peptide Calculator Formula Explained: mg, mcg, mL & Units
Three small numbers, one short formula. Here is the math the calculator actually runs.
FAQ
Common questions
Quick answers about reconstitution math, BAC water and how Peptide Calculator fits into research workflows. For deeper context, see the full library.
How does the peptide reconstitution calculator work?
Enter the vial strength (mg), the volume of bacteriostatic water you plan to add, and your target dose. The calculator returns the exact syringe-unit reading and the concentration per mL.
How much BAC water should I add to my vial?
Common volumes are 1 mL, 2 mL, or 3 mL. More water gives a more dilute solution and easier-to-read syringe units for small doses; less water concentrates the peptide. Pick the volume that lets your typical dose land on a clean unit mark.
Are these calculators safe for human use?
No. Peptide Calculator is a research-reference tool only. Content is for informational and educational purposes and is not intended for human or veterinary administration.
Is it really free?
Yes. Every calculator, article, and storage guide is free, with no signup. The site is supported as an open reference for the research community.
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122 calculators, free, no signup. Pick a peptide and get a clean syringe reading in seconds.
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