Peptide Science USA — Physician-Supervised Semaglutide and Tirzepatide Weight Loss
Peptide Science USA delivers clinically proven GLP-1 medications — Semaglutide and Tirzepatide — prescribed by licensed physicians and shipped discreetly to your door.
GLP-1 Medications
Choose Your Medication
Both medications are compounded at an FDA-registered pharmacy, prescribed by a licensed physician, and shipped directly to you.
Semaglutide
+ Glycine or B12 · 1mL Vial
The active ingredient in Ozempic® and Wegovy®. Clinically proven to reduce appetite and support significant weight loss.
4mgOzempic® equiv.
8mgOzempic® equiv.
10mgWegovy® equiv.Select Dosage (mg)
Equivalent to Ozempic® 2mg starter pen
Price Comparison
That's 62% less than the competition — compounded in a US FDA-registered 503B pharmacy, prescribed by a licensed US physician.
Tirzepatide
+ Glycine or B12 · 2mL Vial
The active ingredient in Mounjaro® and Zepbound®. Targets both GIP and GLP-1 receptors for enhanced weight loss results.
30mgMounjaro® equiv.
50mgMounjaro® equiv.
60mgMounjaro® equiv.Select Dosage (mg)
Equivalent to Mounjaro®/Zepbound® 2.5mg KwikPen (starter dose)
Price Comparison
That's 26% less than a generic import — compounded in a US FDA-registered 503B pharmacy, prescribed by a licensed US physician.
All prices shown are per vial. A physician consultation is required. Pricing reflects Tier 5 (0–2,500 monthly units). Price comparisons are for informational purposes only.
Simple Process
How Peptide Science USA Works
From consultation to delivery — a streamlined, medically supervised experience designed around you.
Complete Your Health Profile
Answer a brief medical questionnaire online. Takes less than 5 minutes. No in-person visit required.
Physician Review & Prescription
A licensed physician reviews your profile and, if appropriate, issues a prescription for your GLP-1 medication.
Discreet Home Delivery
Your medication is compounded at an FDA-registered pharmacy and shipped directly to your door in discreet packaging.
Ongoing Support & Refills
Track your progress, adjust dosage with physician guidance, and reorder easily — all through PerfectRX.
15–20%
Average body weight reduction in clinical trials
Why Choose Us
The Peptide Science USA Difference
Licensed Physicians
Every prescription is reviewed and issued by a board-certified, licensed physician — not an algorithm.
FDA-Registered Pharmacy
Your medication is compounded at a fully licensed, FDA-registered 503B pharmacy with rigorous quality standards.
Transparent Pricing
No hidden fees, no surprise charges. You see exactly what you pay before you commit — per vial, per dose.
Proven Medications
Semaglutide and Tirzepatide are the same active ingredients found in Ozempic®, Wegovy®, Mounjaro®, and Zepbound®.
Ongoing Medical Support
Your care doesn't stop at the prescription. Physician check-ins and dosage adjustments are part of the Peptide Science USA program.
Discreet & Convenient
Everything happens online and ships to your door. No waiting rooms, no pharmacy lines, no awkward conversations.
Semaglutide vs. Tirzepatide
Which Medication Is Right for You?
Both are clinically proven GLP-1 medications. Your physician will help determine the best fit based on your health profile.
| Feature | Semaglutide+ Glycine or B12 · 1mL Vial | Tirzepatide+ Glycine or B12 · 2mL Vial |
|---|---|---|
| Mechanism | GLP-1 receptor agonist | GLP-1 + GIP dual agonist |
| Brand equivalent | Ozempic®, Wegovy® | Mounjaro®, Zepbound® |
| Dosage range | 1mg – 10mg | 10mg – 60mg |
| Starting price | $20 / vial | $38 / vial |
| Avg. weight loss | ~10–15% body weight | ~15–22% body weight |
| Injection frequency | Once weekly | Once weekly |
| Physician required | ✓ Yes | ✓ Yes |
Prices reflect Tier 5 (0–2,500 monthly units). A licensed physician consultation is required for all prescriptions.
Real Results
What Our Patients Say
Thousands of patients have transformed their health with Peptide Science USA. Here are a few of their stories.
"I'd tried everything for years. Within 3 months on Semaglutide through Peptide Science USA, I lost 34 pounds. The process was so easy — no waiting rooms, just results."
Sarah M.
Austin, TX · Semaglutide
"Tirzepatide changed my life. The physician check-ins kept me on track and the pricing was completely transparent. I knew exactly what I was paying."
James T.
Chicago, IL · Tirzepatide
"The discreet delivery and online consultation made this so much easier than I expected. I'm down 28 pounds and my doctor is thrilled with my progress."
Linda R.
Phoenix, AZ · Semaglutide
Individual results vary. These testimonials reflect real patient experiences. Weight loss results depend on individual health factors, adherence, and physician guidance.
Frequently Asked Questions
Everything you need to know about GLP-1 medications and the Peptide Science USA program.
Ready to Start Your Weight Loss Journey?
Complete a short health profile today. A licensed physician will review it and, if appropriate, prescribe your GLP-1 medication — shipped directly to your door.
No commitment required. Physician consultation included. HIPAA-compliant.
For Healthcare Providers
PerfectRX Provider Portal
Log in with your provider credentials to upload prescriptions, manage patient orders, and access clinical tools — all in one place.
Log In to Provider Portalportal.perfectrx.com · Authorized providers only
No commitment required. Physician consultation included. HIPAA-compliant.
Get Started — It's Free to Apply