Finally, trustworthy peptides
tailored to women's bodies
Everyone around you is benefiting from peptides — because they work. Phases is a source you trust, a dose that's right for your body, and a protocol that actually maps to your life stage.
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People on
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Members
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COA-verified
compounds
Choose Your protocol
For women optimizing weight, skin, energy, cognition, and recovery — across every phase.
Weight & Body Composition
Helping the body release stored fat, build lean muscle, and develop a healthier metabolic balance.
Energy & Longevity
Fueling cellular energy and healthy aging from the inside out.
Recover & Repair
Helping the body recover faster by supporting the natural repair of soft tissue and reducing inflammation.
Mood, Cognition & Intimacy
Supporting clear thinking, steady mood, and the natural pathways behind arousal and closeness.
Skin & Hair
Nourishing skin & hair at the cellular level to support firmness, radiance, and a smoother, healthier-looking complexion.
Discover your protocol.
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Pick your treatment
Find the treatment that fits your personal health goals.
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Complete the intake flow
Enter your personal information and health history for clinical review.
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Get matched to a clinician
A doctor licensed in your state reviews your medical history to determine if the treatment is right for you. If needed, your doctor will contact you with follow up questions.
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Start your treatment
Treatments are compounded for you by a licensed U.S. pharmacy and shipped to you with everything you need to administer. Follow up with your doctor by phone or live chat for ongoing clinician support.
Physician-supervised peptide therapy
Expert medical oversight.
Third-party tested.
Lab-tested for quality & purity.
Licensed 503A Pharmacies
Compounded for you in the USA.
Fast & secure shipping
Discreet & rapid cold-chain delivery.
Your protocol, learning as you go.
Every phase brings new data. PHASES adapts your protocol as your body changes. Track progress, adjust dosing, and stay supported with science-backed guidance.
Frequently Asked Questions
What are peptides?
Peptides are short chains of amino acids, the same building blocks that make up proteins. Your body makes them naturally and uses them as signaling molecules that tell cells what to do. Different peptides carry different instructions, which is why one may be studied for metabolism and another for skin or recovery.
How do I know if this peptide is right for me?
You should start by selecting a treatment based on your personal health goals. Once you have selected a treatment, you will enter you medical history and a licensed physician will determine if the treatment is right for you.
How is this different from the peptides sold online without a prescription?
Peptides and similar therapeutics sold without a prescription are typically sold as research chemicals and labelled as not for human consumption. Those products are not made in a licensed pharmacy, are often imported, and there is usually no verifiable certificate of analysis, no sterility assurance, and no recourse if the contents are not what the label says.
What you get from Phases is a preparation made by a state-licensed compounding pharmacy against a prescription written for you, with a lot you can trace and testing you can ask to see.
What happens after I select a treatment?
After selecting a treatment you will be asked to complete a health intake that asks about your health history, including current medications, allergies and goals. A clinician licensed in your state reviews your information and decides whether the treatment is appropriate for you. If they approve it, they write a prescription and a licensed compounding pharmacy prepares it and ships it to you. If your doctor has questions, they will reach out to you before deciding.
Once shipped, you should receive your treatment in approximately 2 business days, along with administration instructions. If you have any follow up questions, you can message your assigned doctor directly via the Phases website.
Placing an order is a request for an evaluation, not a purchase of medication, though we accept payment for your prescription in advance for convenience. In the event you are not approved for a treatment, you will be refunded the amount of your prescription minus the cost of medical evaluation.
How is it shipped and stored?
Once your prescription is filled, most orders arrive within about two business days.
Temperature-sensitive products are shipped cold to limit time at room temperature. A package that feels cool, or close to room temperature, on arrival is normal. Refrigerate promptly
Early access
Join the waitlist
Be first to access peptide protocols designed for female biology. Limited founding member spots available.