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Cyproheptadine (Periactin): Research, Dosing, and Where to Buy in 2026

A research-first profile for Cyproheptadine (Periactin) (periactin), aggregating mechanism notes, transcript dosing mentions, vendor recommendations, and PubMed-indexed literature without presenting medical guidance.

⚕️ US PRESCRIPTION REQUIRED. Cyproheptadine (Periactin) is a prescription medication in the United States. Prescription and controlled-substance rules differ by country, so check your local laws before any purchase or use. Information on this page is educational and not medical advice. Consult a licensed prescribing physician.
Quick Answer

Cyproheptadine (Periactin) is a research compound profiled here from named-expert transcripts and peer-reviewed literature, without medical guidance. As of July 2026, The Peptide Wiki aggregates 8 PubMed-cited papers, and 1 attributed expert mention for Cyproheptadine (Periactin), each linked to its source.

Key Facts
Pharmaceutical
  • Also indexed as periactin.
  • 0 aggregated dosing-protocol mentions from source transcripts.
  • 8 PubMed-indexed citations listed in the research table below.
  • 0 vendor recommendations captured from named experts.
Sourced to expert
Check vendor COA
Verify dose w/ clinician

What is Cyproheptadine (Periactin)?

Research compound aggregated from creator and literature mentions. No direct disease-treatment claims are made on this page.

Experts on background and overview · 1 cited mention

"You could add in periactin. This is first generation antihistamine that acts as an appetite stimulant."
Vigorous Steve · Nebido For Traveling, Skin-Friendly PEDs, GH Carpal... @ 1:12:38

Cyproheptadine (Periactin) Dosing Protocols

The entries below are transcript-derived dosing mentions. They are preserved for research context and are not medical advice.

No transcript-derived dosing mentions in current source set.

Where to Buy Cyproheptadine (Periactin) in 2026

No tracked vendor recommendations for Cyproheptadine (Periactin) yet. See our vendor directory.

Side Effects and Safety

Anecdotal reports and study-level observations vary by route, dose, and individual. This page does not provide medical advice. Consult a qualified clinician before any research use.

What Experts Say

1 expert across our source library discuss Cyproheptadine (Periactin). Each entry is that expert’s most context-rich mention: click to watch it at the exact timestamp in the original video. Quotes are also emitted as Schema.org Quotation JSON-LD for AI assistants.

  1. Vigorous Steve · Nebido For Traveling, Skin-Friendly PEDs, GH Carpal...Watch @ 1:12:38 ↗

    “You could add in periactin. This is first generation antihistamine that acts as an appetite stimulant.”

User Reviews

User reviews aggregator coming Q3 2026 (Reddit + YouTube comments + Discord research notes). Until then, see the expert quote section above and PubMed citations below.

Research and Studies

8 PubMed-indexed papers reference Cyproheptadine (Periactin). Top 8 shown.

Frequently Asked Questions

Is Cyproheptadine (Periactin) FDA-approved?

Cyproheptadine (Periactin) is presented on this page as a research compound. FDA approval status, scheduling, and state-specific rules may apply and change. Verify current regulatory status before any decision.

How much research has been published on Cyproheptadine (Periactin)?

8 PubMed-indexed paper(s) reference Cyproheptadine (Periactin) in our current research feed. See the Research and Studies section above for citations.