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    Vitamin · live pricing

    Where to Buy Riboflavin — Cheapest Vendor in 2026

    Live Riboflavin pricing across every research peptide vendor we track, ranked by price per mg. Updated daily.

    No in-stock Riboflavin listings right now.

    Vendor inventory updates daily — listings populate this page automatically as supply returns. Use the compound profile to track research progress in the meantime.

    Research profile

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

    Coupon codes

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

    Reconstitution calculator

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

    What is Riboflavin?

    Riboflavin (vitamin B2) is a water-soluble vitamin that serves as the precursor to two universal flavoprotein cofactors — **flavin mononucleotide (FMN)** and **flavin adenine dinucleotide (FAD)** — which together serve as electron-carrying prosthetic groups in more than 90 human enzymes including Complex I and Complex II of the mitochondrial electron transport chain, the acyl-CoA dehydrogenases of… Read the full Riboflavin research profile

    Buying Riboflavin — FAQ

    Where can I buy Riboflavin online?

    Riboflavin is currently between in-stock listings across the vendors we track. Bookmark this page — it auto-updates daily as inventory comes back.

    What's the cheapest price for Riboflavin?

    Pricing data updates as vendors restock. Check back when listings come back in stock.

    Is buying Riboflavin 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 Riboflavin?

    Riboflavin is sold for research-use-only by the vendors on this page — no prescription required for research purchases. None of these vendors sell Riboflavin 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 .