--- title: "Huperzine A Dosage Guide [2026] — BodyHackGuide" description: "Complete Huperzine A dosage guide with protocols, calculator, safety info, and where to buy. Updated for 2026." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "Article", "headline": "Huperzine A Dosage Guide [2026]", "description": "Complete Huperzine A dosage guide with protocols, calculator, safety info, and where to buy. 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Every other day or 2-3x per week" } }, { "@type": "Question", "name": "How often should I take Huperzine A?", "acceptedAnswer": { "@type": "Answer", "text": "Every other day or 2-3x per week" } }, { "@type": "Question", "name": "Does Huperzine A need to be cycled?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. 2-4 weeks on / 1-2 weeks off. Or dose every other day. Long half-life means accumulation." } }, { "@type": "Question", "name": "What are Huperzine A side effects?", "acceptedAnswer": { "@type": "Answer", "text": "Nausea, Diarrhea, Excessive cholinergic activity, Vivid dreams/nightmares" } }, { "@type": "Question", "name": "Where can I buy Huperzine A?", "acceptedAnswer": { "@type": "Answer", "text": "Visit our nootropic compound page for Huperzine A to find trusted sources and product recommendations." } } ] }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.bodyhackguide.co/" }, { "@type": "ListItem", "position": 2, "name": "Guides", "item": "https://www.bodyhackguide.co/guides" }, { "@type": "ListItem", "position": 3, "name": "Dosage Guides", "item": "https://www.bodyhackguide.co/guides" }, { "@type": "ListItem", "position": 4, "name": "Huperzine A Dosage", "item": "https://www.bodyhackguide.co/guides/dosage/huperzine-a" } ] }, { "@context": "https://schema.org", "@type": "Article", "headline": "Huperzine A Dosage Guide [2026]", "description": "Complete Huperzine A dosage guide with protocols, calculator, safety info, and where to buy. Updated for 2026.", "author": { "@type": "Person", "name": "BioChonch", "url": "https://www.bodyhackguide.co/about", "jobTitle": "Founder & Lead Researcher", "sameAs": [ "https://x.com/bodyhackguide", "https://reddit.com/r/BodyHackGuide", "https://reddit.com/r/BrainHackGuide", "https://reddit.com/r/Biohackingher" ], "worksFor": { "@type": "Organization", "name": "BodyHackGuide", "url": "https://www.bodyhackguide.co" } }, "reviewedBy": { "@type": "Person", "name": "BioChonch", "url": "https://www.bodyhackguide.co/about", "jobTitle": "Founder & Lead Researcher", "sameAs": [ "https://x.com/bodyhackguide", "https://reddit.com/r/BodyHackGuide", "https://reddit.com/r/BrainHackGuide", "https://reddit.com/r/Biohackingher" ], "worksFor": { "@type": "Organization", "name": "BodyHackGuide", "url": "https://www.bodyhackguide.co" } }, "publisher": { "@type": "Organization", "name": "BodyHackGuide", "url": "https://www.bodyhackguide.co", "logo": { "@type": "ImageObject", "url": "https://www.bodyhackguide.co/bhglogo.png" } } }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What is the recommended Huperzine A dose?", "acceptedAnswer": { "@type": "Answer", "text": "The common dose is 0.1mg (range: 0.05–0.2mg). Every other day or 2-3x per week" } }, { "@type": "Question", "name": "How often should I take Huperzine A?", "acceptedAnswer": { "@type": "Answer", "text": "Every other day or 2-3x per week" } }, { "@type": "Question", "name": "Does Huperzine A need to be cycled?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. 2-4 weeks on / 1-2 weeks off. Or dose every other day. Long half-life means accumulation." } }, { "@type": "Question", "name": "What are Huperzine A side effects?", "acceptedAnswer": { "@type": "Answer", "text": "Nausea, Diarrhea, Excessive cholinergic activity, Vivid dreams/nightmares" } }, { "@type": "Question", "name": "Where can I buy Huperzine A?", "acceptedAnswer": { "@type": "Answer", "text": "Visit our nootropic compound page for Huperzine A to find trusted sources and product recommendations." } } ] }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.bodyhackguide.co/" }, { "@type": "ListItem", "position": 2, "name": "Guides", "item": "https://www.bodyhackguide.co/guides" }, { "@type": "ListItem", "position": 3, "name": "Dosage Guides", "item": "https://www.bodyhackguide.co/guides" }, { "@type": "ListItem", "position": 4, "name": "Huperzine A Dosage", "item": "https://www.bodyhackguide.co/guides/dosage/huperzine-a" } ] } ] --- [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=%2Fguides%2Fdosage%2Fhuperzine-a) 100K+ researchers trust BodyHackGuide — Join [r/BodyHackGuide](https://reddit.com/r/bodyhackguide) 1. [Home](/) 3. [Guides](/guides) 5. Dosage 7. Huperzine A cholinergic # Huperzine A Dosage Guide: Protocols, Calculator & Safety Everything you need to know about Huperzine A dosing — protocols, safety, and where to buy. Common Dose 0.1mg Frequency Every other day or 2-3x per week Half-Life 10h Onset 30 min ## Administration Routes Capsules [ Dosage Calculator Calculate exact dosing for Huperzine A. ](/tools/dosage) ## Dosing Protocols Beginner 0.05mg · Every other day or 2-3x per week Standard 0.1mg · Every other day or 2-3x per week Advanced 0.2mg · Every other day or 2-3x per week ## Commonly Stacked With [ piracetam View dosage guide → ](/nootropic/piracetam)[ lions-mane View dosage guide → ](/nootropic/lions-mane) ## Side Effects & Safety Nausea, Diarrhea, Excessive cholinergic activity, Vivid dreams/nightmares Contraindications Heart conditions, GI ulcers, Asthma [Check interactions with the Interaction Checker →](/tools/interaction-checker) ## Cycling Protocol 2-4 weeks on / 1-2 weeks off. Or dose every other day. Long half-life means accumulation. [ View Huperzine A Product Recommendations See trusted sources, pricing, and vendor availability ](/nootropic/huperzine-a) ## Frequently Asked Questions What is the recommended Huperzine A dose? The common dose is 0.1mg (range: 0.05–0.2mg). Every other day or 2-3x per week How often should I take Huperzine A? Every other day or 2-3x per week Does Huperzine A need to be cycled? Yes. 2-4 weeks on / 1-2 weeks off. Or dose every other day. Long half-life means accumulation. What are Huperzine A side effects? Nausea, Diarrhea, Excessive cholinergic activity, Vivid dreams/nightmares Where can I buy Huperzine A? Visit our nootropic compound page for Huperzine A to find trusted sources and product recommendations. 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