--- title: "Where to Buy Caffeine — Cheapest Vendor 2026 | BodyHackGuide" description: "Compare Caffeine prices across every research peptide vendor. Live in-stock listings ranked by price per mg. Verified weekly. Find the cheapest current source." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.bodyhackguide.co/" }, { "@type": "ListItem", "position": 2, "name": "Compare", "item": "https://www.bodyhackguide.co/compare" }, { "@type": "ListItem", "position": 3, "name": "Buy Caffeine" } ] }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.bodyhackguide.co" }, { "@type": "ListItem", "position": 2, "name": "Compare", "item": "https://www.bodyhackguide.co/compare" }, { "@type": "ListItem", "position": 3, "name": "Buy Caffeine", "item": "https://www.bodyhackguide.co/buy/caffeine" } ] }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Where can I buy Caffeine online?", "acceptedAnswer": { "@type": "Answer", "text": "Caffeine is currently between in-stock listings across the vendors we track. Bookmark this page — it auto-updates daily as inventory comes back." } }, { "@type": "Question", "name": "What's the cheapest price for Caffeine?", "acceptedAnswer": { "@type": "Answer", "text": "Pricing data updates as vendors restock. Check back when listings come back in stock." } }, { "@type": "Question", "name": "Is buying Caffeine online safe?", "acceptedAnswer": { "@type": "Answer", "text": "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." } }, { "@type": "Question", "name": "Do I need a prescription for Caffeine?", "acceptedAnswer": { "@type": "Answer", "text": "Caffeine is sold for research-use-only by the vendors on this page — no prescription required for research purchases. None of these vendors sell Caffeine for human consumption, and BodyHackGuide doesn't promote off-label use. Always consult a licensed practitioner before any compound enters a clinical context." } } ] } ] --- [Skip to content](#main-content) ## 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). I'm 21+ — Enter SiteLeave site [![BodyHackGuide](/assets/bodyhackguide-logo-DOzZNUyh.webp)BodyHackGuide ](/) [Compare](/compare)[Wiki](/wiki)[Vendors](/vendors)[Deals](/deals)[Stacks](/stack-builder)[Nootropics](/nootropics)[Tools](/tools) Learn Community Search ⌘K [Sign In](/auth?returnTo=%2Fbuy%2Fcaffeine) 100K+ researchers trust BodyHackGuide — Join [r/BodyHackGuide](https://reddit.com/r/bodyhackguide) 1. [Home](/) 3. [Compare](/compare) 5. Buy Caffeine Nootropic · live pricing # Where to Buy Caffeine — Cheapest Vendor in 2026 Live Caffeine pricing across every research peptide vendor we track, ranked by price per mg. Updated daily. ## No in-stock Caffeine 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. [Caffeine research profile](/compound/caffeine)[Browse all compounds](/compare) [ Research profile Mechanism, dosing, half-life, peer-reviewed studies for Caffeine. ](/compound/caffeine)[ Coupon codes Every active vendor coupon for Caffeine, click-to-copy. ](/coupons/caffeine)[ Reconstitution calculator Vial size + BAC water → concentration, syringe units, doses per vial. ](/tools/reconstitution/caffeine) ## What is Caffeine? \*\*Caffeine\*\* (1,3,7-trimethylxanthine) is a \*\*natural methylxanthine alkaloid\*\* found in the seeds, fruits, leaves, and bark of over 60 plant species — most notably \*\*Coffea\*\* (coffee), \*\*Camellia sinensis\*\* (tea), \*\*Theobroma cacao\*\* (cacao), \*\*Paullinia cupana\*\* (guaraná), \*\*Ilex paraguariensis\*\* (yerba mate), and \*\*Cola acuminata\*\* (kola nut). It is the \*\*world's most widely consumed psychoacti… [Read the full Caffeine research profile](/compound/caffeine) ## Buying Caffeine — FAQ ### Where can I buy Caffeine online? Caffeine 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 Caffeine? Pricing data updates as vendors restock. Check back when listings come back in stock. ### Is buying Caffeine 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 Caffeine? Caffeine is sold for research-use-only by the vendors on this page — no prescription required for research purchases. None of these vendors sell Caffeine 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) . 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. [Download Free](/guides/peptide-cheat-sheet-download?utm_source=buy-compound) ![BodyHackGuide](/assets/bodyhackguide-logo-DOzZNUyh.webp) ### BodyHackGuide Your biohacking research hub — compound pricing, brain health protocols, dosing tools, and vendor reviews. 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We rank every vendor on the same public, reproducible [methodology](/vendors/methodology), and we earn a commission from purchases made through our links at no extra cost to you. Full details in our [affiliate disclosure](/affiliate-disclosure). **Research Disclaimer:** All compounds listed are for laboratory and research purposes only. Not for human consumption. This site does not sell, distribute, or promote any products. Always consult a qualified healthcare professional and comply with local regulations. © 2026 BodyHackGuide. All rights reserved. · [Terms](/terms) · [Privacy](/privacy) [Shop BHG Labs · 20% off with BHG20](https://bhglabs.co/shop/?utm_source=reddit&utm_medium=paid&utm_campaign=bhg20_bridge&utm_content=sticky_mobile_bar&ref=zmgqyxku&coupon=BHG20) hi 👋