💉 Peptide Calculator

Last updated: March 2026

Free reconstitution & dosing calculator for research peptides

⚠️ Research Purposes Only

This calculator is provided for educational and research purposes only. Peptides sold online are labeled "not for human consumption." Consult a medical professional before using any substances.

🧪 Reconstitution Calculator

Calculate the concentration after adding bacteriostatic water

Peptide Amount (mg)

Bacteriostatic Water (mL)

Concentration

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mcg per 0.1mL (10 units)

💊 Dosing Calculator

Calculate how many units to draw for your desired dose

Your Concentration (mcg per 0.1mL)

Desired Dose (mcg)

Draw This Amount

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units on insulin syringe

📋 Common Doses (Research Reference)

BPC-157
250-500 mcg, 1-2x daily

TB-500
2-2.5 mg, 2x weekly (loading), then weekly

GHK-Cu
1-2 mg daily (subQ or topical)

CJC-1295 + Ipamorelin
100-300 mcg each, before bed

PT-141
1-2 mg, as needed (max 8 doses/month)

🔄 Unit Converter

Convert between common units

Value

From

Result

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🛒 Essential Supplies

Everything you need for safe reconstitution and storage

💧

Bacteriostatic Water

Sterile water with 0.9% benzyl alcohol for reconstitution

View on Amazon →

💉

Insulin Syringes

29-31 gauge, 1mL with 100 unit markings

View on Amazon →

🧴

Alcohol Swabs

70% isopropyl alcohol prep pads

View on Amazon →

🗑️

Sharps Container

Safe disposal for used needles

View on Amazon →

📚 Peptide Research Guides

Learn about reconstitution, storage, and research protocols for popular peptides.

BPC-157 Body Protection Compound • Healing & Recovery TB-500 Thymosin Beta-4 • Tissue Repair GHK-Cu Copper Peptide • Skin & Hair PT-141 Bremelanotide • Libido CJC-1295 GHRH Analog • Growth Hormone Ipamorelin GHRP • Growth Hormone Release Semaglutide GLP-1 Agonist • Weight Management Melanotan II Melanocortin • Tanning

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Live preview: open the embeddable widget →

📖 How to Reconstitute Peptides

Clean everything — Wipe the vial tops with alcohol swabs
Draw bacteriostatic water — Use a sterile syringe to draw your calculated amount
Inject slowly — Add water to the peptide vial slowly, aiming at the glass wall (not directly on the powder)
Gently swirl — Never shake! Gently roll the vial to dissolve the powder
Refrigerate — Store reconstituted peptides at 36-46°F (2-8°C)
Use within 4-6 weeks — Reconstituted peptides have limited stability

Supplies You'll Need

Practical, low-cost supplies for safe reconstitution, measuring, and storage. These are Amazon affiliate links.

GLUCO-CARE Insulin Syringes 31G, 1 mL, 5/16" (100-count) →
31G × 5/16" 1 mL — the standard configuration for subcutaneous research dosing; single-use only.
Curad Sterile Alcohol Prep Pads, 70% Isopropyl (400-count) →
Individually wrapped 70% isopropyl pads — one for the vial septum and one for the site, every time.
Oakridge Sharps Container, 1-Quart (3-pack) →
Used needles go in a sharps container, never household trash — a 1-quart 3-pack covers months of research.
Ks-Tek Sterile 10 mL Vials with Self-Healing Injection Port →
Steam-sterilized empty vials with self-healing septa — for holding reconstituted solutions between draws.
Moyite 9-Slot Vial Holder for Refrigerator (fits 5–10 mL vials) →
Keeps reconstituted vials upright and organized in the fridge — fits standard-height 5–10 mL vials.

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