REGULATORYRFK Jr.: 14 peptides returning to Category 1 — FDA advisory committee July 2026UPDATESemaglutide and tirzepatide compounding ended — shortage resolved Feb/May 2025REGULATORYBPC-157, TB-500, thymosin alpha-1, CJC-1295, ipamorelin: expected Category 1 reclassification pendingFDAFDA advisory committee meetings scheduled: late July 2026REGULATORYRFK Jr.: 14 peptides returning to Category 1 — FDA advisory committee July 2026UPDATESemaglutide and tirzepatide compounding ended — shortage resolved Feb/May 2025REGULATORYBPC-157, TB-500, thymosin alpha-1, CJC-1295, ipamorelin: expected Category 1 reclassification pendingFDAFDA advisory committee meetings scheduled: late July 2026

For research purposes only. Full disclaimer →

Research Tools

Purpose-built calculators, trackers, and guides for peptide research protocols.

Dose Calculator

Calculate reconstitution volumes and injection doses with precision. Supports all common peptide formats and syringe sizes.

Open Tool

Cycle Tracker

Log daily protocols, track progress over time, and export your research data in CSV or JSON.

Open Tool

Purity Guide

Learn to interpret HPLC results, mass spec data, and third-party testing reports with confidence.

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Stack Library

Browse community-submitted peptide stacks with dosing protocols, goals, and research notes.

Open Tool

Price Compare

Compare peptide pricing across vetted vendors. Track price history and find the best value.

Open Tool

Batch Alerts

View active quality alerts for specific lots and batches. Report and track community-flagged issues.

Open Tool

All tools are for research purposes only. Peptide Contacts does not provide medical advice. Consult a qualified healthcare professional before making any decisions based on the information provided here.