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·2 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

Sexual

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

Sexual

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

Sexual

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.

Sexual

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.

Sexual

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).

Sexual

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 protocol?

A peptide protocol is a structured research plan that specifies which peptides to study, the quantities and frequencies used in research settings, and the duration of the study period. Research protocols often combine multiple peptides that act on complementary biological pathways—such as tissue repair, cognitive function, or metabolic regulation—to investigate broader or synergistic effects. These protocols are intended for research purposes only and are not a guide for human consumption.

How is peptide dosage calculated from a vial for research?

In a research context, the concentration of a reconstituted peptide solution is calculated by dividing the total peptide content of the vial in micrograms by the volume of bacteriostatic water added in milliliters. For example, a 5mg (5,000 mcg) vial reconstituted with 2mL of BAC water yields a concentration of 2,500 mcg/mL. This information is provided for reference and laboratory calculation purposes only — not as a guide for human use.

How much bacteriostatic water is typically used for peptide reconstitution in research?

Research protocols commonly reconstitute peptide vials with 2mL to 3mL of bacteriostatic water, though the appropriate volume depends on the target concentration needed for a given study. Adding 2mL to a 5mg vial yields a concentration of 2,500 mcg/mL. This information is provided strictly for laboratory and research reference — not as instructions for human use.

How are peptides different from proteins?

Both are composed of amino acids, but peptides are significantly smaller than proteins. Due to their size, peptides can function as precise signaling molecules, binding to specific receptors and triggering targeted biological responses—such as stimulating growth hormone release, promoting tissue repair, or modulating immune activity. These mechanisms are the subject of ongoing scientific research.

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.