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    Foundational · price comparison

    Where to Buy Vitamin C: Cheapest Vendor in 2026

    Vitamin C pricing across every research peptide vendor we track, ranked by price per mg. Prices change often, so check the vendor before you buy. The cheapest source we track is Disguised Alpha at $0.014/mg.

    Vitamin C vendor ranking: cheapest first

    1

    Disguised Alpha

    Best price

    $54.99 for 4000mg · $0.014/mg

    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.

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    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 fo… Read the full Vitamin C research profile

    Buying Vitamin C: FAQ

    Where can I buy Vitamin C online?

    Vitamin C has 1 in-stock listing from research peptide vendors tracked on BodyHackGuide. The cheapest current price per mg is Disguised Alpha at $0.014/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?

    The lowest price per mg we track comes from Disguised Alpha at $0.014/mg ($54.99 for 4000mg). Prices change often, so check the vendor before you buy.

    Is buying Vitamin C online safe?

    Vendor safety varies. BodyHackGuide scores every vendor on a 0-100 Trust Score (COA verification, payment transparency, community feedback, shipping practices). This page ranks listings by price per mg, not by score, so check each vendor's score breakdown on its BodyHackGuide profile before you buy.

    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 earns a commission on some of its links, at no additional cost to you. Vendor rankings are based on price per mg from the listings we track. We don't accept payment for editorial placement. See our full affiliate disclosure .

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