A private, structured tracker for peptide protocols. Wiki, scheduler, dose log, injection-site rotation, and reconstitution calculator — all in one place, all yours.
36 peptides across healing, GH, metabolic, longevity, sexual health, immune, and cognitive categories. Add unlimited custom entries.
Per-peptide dose, route, days, and time slots. See today's protocol at a glance.
Visual injection-site tracker with auto-recommended next site based on rotation history.
Instant U-100 syringe unit math from vial strength, BAC water volume, and target dose.
26-week contribution-style view of your dosing consistency, with streak tracking.
Your protocols and logs are tied to your account. Only you can see them.
Peptides offered for sale by research chemical vendors are NOT approved by the FDA for human consumption. They are sold for in-vitro research and laboratory use only. PeptideOS does not sell, distribute, or supply peptides of any kind.
This site is a tracking and educational reference tool. It does not constitute medical advice, prescribe treatment, or endorse any specific use of any compound. The information presented is aggregated from publicly available scientific literature and community sources, and may be incomplete, outdated, or inaccurate.
If you are considering any peptide or therapy for personal use, consult a licensed physician. Many peptides interact with hormones, the immune system, glucose regulation, and other critical pathways. Improper use can cause serious harm including but not limited to: hormonal disruption, infection, allergic reaction, hypoglycemia, immunogenicity, and unknown long-term effects.
PeptideOS is operated by individuals who are not medical professionals. Nothing on this site should be interpreted as medical, pharmaceutical, legal, or professional advice of any kind. The dosing ranges, half-lives, mechanisms, and protocols described are aggregated from published research and community-reported sources for educational reference only.
You are solely responsible for any decisions you make regarding your health. Always consult a qualified healthcare provider before starting, stopping, or modifying any therapy or supplement.
Access to PeptideOS is restricted to adults aged 21 years or older. By creating an account, you affirm under penalty of perjury that you are at least 21 years of age and are accessing this site of your own free will for personal educational purposes.
The legal status of peptides varies by jurisdiction. Some peptides are classified as prescription medications, controlled substances, or investigational new drugs in certain countries. It is your responsibility to know and comply with the laws in your jurisdiction.
PeptideOS, its operators, and contributors disclaim all liability for any use, misuse, injury, illness, or damages arising from access to or reliance on the information provided. Use of this site constitutes acceptance of these terms in full.
Your account data — tracked peptides, schedules, dose log, custom entries — is private and visible only to you and to site administrators with database access. We do not sell or share user data with third parties. We do not require email verification, and we use the minimum data necessary to operate the service.
Site visit counts are aggregated and do not store IP addresses or personally identifying information beyond what is required for your session.
This site contains information about research compounds that is intended for adults aged 21 or older. By clicking "I am 21 or older" you affirm that you meet this requirement and that you have read and accepted the disclaimers above.