Foundational · live pricing
Where to Buy Vitamin C — Cheapest Vendor in 2026
Live Vitamin C pricing across every research peptide vendor we track, ranked by price per mg. Updated daily. Right now the cheapest source is Disguised Alpha at $0.01/mg.
Vitamin C vendor ranking — cheapest first
Research profile
Mechanism, dosing, half-life, peer-reviewed studies for Vitamin C.
Coupon codes
Every active vendor coupon for Vitamin C, click-to-copy.
Reconstitution calculator
Vial size + BAC water → concentration, syringe units, doses per vial.
What is Vitamin C?
Vitamin C (L-ascorbic acid) is a water-soluble essential vitamin that humans, unlike most other mammals, cannot synthesize endogenously due to an inactivating mutation in the gulonolactone oxidase (GULO) gene acquired approximately 61 million years ago in a primate ancestor. This evolutionary quirk—shared with guinea pigs, some bats, and most songbirds—makes dietary vitamin C intake obligatory for… Read the full Vitamin C research profile
Buying Vitamin C — FAQ
Where can I buy Vitamin C online?
Vitamin C is available from 1 verified research peptide vendor tracked on BodyHackGuide. The cheapest current price per mg is Disguised Alpha at $0.01/mg. Tap any "Buy" button on this page to go directly to the vendor's product page.
What's the cheapest price for Vitamin C?
Right now the lowest price per mg comes from Disguised Alpha at $0.01/mg ($54.99 for 4000mg). Daily price snapshots keep this ranking current — bookmark for the live cheapest source.
Is buying Vitamin C 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 Vitamin C?
Vitamin C is sold for research-use-only by the vendors on this page — no prescription required for research purchases. None of these vendors sell Vitamin C 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 .
Free 2026 Peptide Cheat Sheet — 50 pages, PDF
Reconstitution math, concentration charts, half-lives, and vendor trust tiers. The reference we wish we had on day one.