Sexual Peptide Cheat Sheet

Explore the ultimate sexual peptide cheat sheet with dosage guidelines, benefits, mechanisms, side effects, and comparisons for PT-141, Kisspeptin, Oxytocin, and more. A quick reference for research and education.

6 peptides·3 categories

For research purposes only.

This cheat sheet is a research reference only — not for human consumption or therapeutic use.

test

Testagen

Sexual

Purpose
Longevity & Anti-Aging
Vial Size
10 mg
BAC Water
2 mL
Dosing
100–200 mcg
Frequency
Daily
Cycle
20–30 consecutive days

hcg

HCG

Hormonal

Purpose
Sexual Health
Vial Size
5,000 IU
BAC Water
5 mL
Dosing
250–500 IU
Frequency
2×/week
Cycle
Ongoing or 4–6 weeks

hmg

HMG

Hormonal

Purpose
Hormonal & Fertility Support
Vial Size
75 IU
BAC Water
1 mL
Dosing
75–150 IU
Frequency
2–3×/week
Cycle
4–12 weeks

MT-2

Melanotan II

Skin

Purpose
Skin & Sexual Health
Vial Size
10 mg
BAC Water
3 mL
Dosing
250–500 mcg
Frequency
Daily
Cycle
2–4 weeks

kis

Kisspeptin

Hormonal

Purpose
Sexual Health
Vial Size
5 mg
BAC Water
3 mL
Dosing
100 mcg
Frequency
Daily
Cycle
4 weeks on / 4 weeks off

PT-141

PT-141

Sexual

Purpose
Sexual Health
Vial Size
10 mg
BAC Water
3 mL
Dosing
500–1000 mcg
Frequency
As needed
Cycle
As needed

Download the Sexual Peptide Cheat Sheet PDF

Save a free printable PDF of this peptide dosage cheat sheet — vial sizes, BAC water ratios, dosing amounts, and cycle lengths in one quick-reference chart.

Sexual Peptide Cheat Sheet — Research Notes

Key considerations and protocol notes for each peptide in this cheat sheet.

Sexual

test

Hormonal

Testagen

Testagen (Lys-Glu-Asp-Gly) is a short tetrapeptide bioregulator developed by the Khavinson Institute in Russia, originally derived from the testes, believed to support testicular function, hormonal balance, and male reproductive health. It is used in peptide bioregulator protocols for restoring organ-specific function and is often cycled alongside other bioregulators as part of longevity and anti-aging regimens.

Hormonal

hcg

Hormonal

HCG

Human Chorionic Gonadotropin (HCG) mimics LH to stimulate testicular testosterone production and maintain testicular size and fertility during or after anabolic steroid or TRT use. Commonly used in PCT protocols or alongside TRT to prevent testicular atrophy and preserve natural hormone function.

Hormonal

hmg

Hormonal

HMG

Human Menopausal Gonadotropin (HMG) contains both FSH and LH activity, stimulating testicular function, sperm production, and testosterone synthesis. Commonly used during or after anabolic steroid cycles to restore fertility and endogenous hormone production alongside hCG.

Skin

MT-2

Sexual

Melanotan II

Induces tanning and UV protection via MC1-R activation. Load daily until desired tan, then reduce to maintenance dosing (2–3×/week).

Hormonal

kis

Hormonal

Kisspeptin

Boosts GnRH and fertility

Sexual

PT-141

PT-141

Boosts libido via MC-4R

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Frequently asked questions

What is a peptide dosage calculator?

A peptide dosage calculator is a free tool that converts your vial size, bacteriostatic water volume, and target dose into an exact syringe draw volume. Instead of doing the reconstitution math by hand, you enter three inputs and instantly get the concentration of your solution and how many milliliters or syringe units to draw. This calculator works for single peptide compounds and multi-peptide blends.

How do I calculate peptide dosage from a vial?

To calculate your peptide dose, divide the total peptide content of your vial in micrograms by the volume of bacteriostatic water you added in milliliters. This gives you your solution concentration in mcg/mL. Then divide your target dose by that concentration to get your draw volume. For example, a 5mg (5,000 mcg) vial reconstituted with 2mL of BAC water gives a concentration of 2,500 mcg/mL. A 250 mcg dose would require drawing 0.1mL. This calculator automates all of those steps instantly.

How much Bacteriostatic water should I add to a peptide vial?

Most people add 2mL to 3mL of bacteriostatic water per vial, but the right amount depends on the dose you want to draw and the syringe size you are using. Adding 1mL to a 5mg vial gives you a concentration of 5,000 mcg/mL, making each dose very small in volume. Adding 2mL gives you 2,500 mcg/mL, which is easier to measure on a standard insulin syringe. A general guideline is to choose a volume that puts your typical dose somewhere between 10 and 30 units on a U-100 syringe. Use the calculator above to test different water volumes and find what works for your dose.

How are peptides different from proteins?

Both are made of amino acids, but peptides are much smaller than proteins. Because of their tiny size, peptides can act like tiny messengers in the body, sending specific signals to your cells to tell them exactly what to do.​

Calculate peptide research quantities

Reference our peptide dosage, blend, and accumulation calculators for research purposes. Enter vial size, reconstitution volume, and target research quantity to calculate draw volumes instantly. For research use only — not administration or dosing guidance of any kind.