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title: "Where to Buy Melatonin — Cheapest Vendor 2026"
description: "Compare Melatonin prices across every research peptide vendor. Live in-stock listings ranked by price per mg. Verified weekly. Find the cheapest current source."
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## Research Use Only

This site is an **educational resource** for research compounds. We do **not endorse** human consumption of any compound. BodyHackGuide and **BHG Labs share common ownership**; we rank every vendor on the same public methodology, and we earn a commission on purchases through our links. By entering, you confirm you are **21 years of age or older** and agree to our [Terms](/terms) & [Privacy Policy](/privacy).

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Sleep & Circadian · live pricing

# Where to Buy Melatonin — Cheapest Vendor in 2026

Live Melatonin pricing across every research peptide vendor we track, ranked by price per mg. Updated daily. Right now the cheapest source is **Disguised Alpha** at **$0.02/mg**.

## Melatonin vendor ranking — cheapest first

1

Disguised Alpha

Best price 

$44.99 for 2260mg · $0.02/mg 

[Buy at Disguised Alpha](https://www.bodyhackguide.co/go/disguised-alpha?utm_source=buy-page&utm_campaign=melatonin&utm_medium=best-price)

[

Research profile

Mechanism, dosing, half-life, peer-reviewed studies for Melatonin.

](/compound/melatonin)[

Coupon codes

Every active vendor coupon for Melatonin, click-to-copy.

](/coupons/melatonin)[

Reconstitution calculator

Vial size + BAC water → concentration, syringe units, doses per vial.

](/tools/reconstitution/melatonin)

## What is Melatonin?

\*\*Melatonin\*\* (chemical name \*N-acetyl-5-methoxytryptamine\*) is an endogenous neurohormone synthesized primarily by the \*\*pineal gland\*\* and, in smaller quantities, by the retina, gut, skin, bone marrow, lymphocytes, and mitochondria across most tissues. It is the body's principal \*\*circadian signaling molecule\*\*, translating environmental light/dark information into an internal chemical represent… [Read the full Melatonin research profile](/compound/melatonin)

## Buying Melatonin — FAQ

### Where can I buy Melatonin online?

Melatonin is available from 1 verified research peptide vendor tracked on BodyHackGuide. The cheapest current price per mg is Disguised Alpha at $0.02/mg. Tap any "Buy" button on this page to go directly to the vendor's product page.

### What's the cheapest price for Melatonin?

Right now the lowest price per mg comes from Disguised Alpha at $0.02/mg ($44.99 for 2260mg). Daily price snapshots keep this ranking current — bookmark for the live cheapest source.

### Is buying Melatonin online safe?

Vendor safety varies. BodyHackGuide ranks every vendor on a 0-100 Trust Score (COA verification, payment transparency, community feedback, shipping practices). Vendors below the Trust Score threshold aren't surfaced on this page. The vendor profile linked from each listing shows their full score breakdown.

### Do I need a prescription for Melatonin?

Melatonin is sold for research-use-only by the vendors on this page — no prescription required for research purchases. None of these vendors sell Melatonin for human consumption, and BodyHackGuide doesn't promote off-label use. Always consult a licensed practitioner before any compound enters a clinical context.

**Affiliate disclosure.** BodyHackGuide may earn a commission from purchases made via the links on this page — at no additional cost to you. Vendor rankings are based purely on live price-per-mg data and the published Trust Score rubric. We don't accept payment for editorial placement. See our full [affiliate disclosure](/affiliate-disclosure) .

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