Dr. Helena Marsh, MD
Endocrinology · Metabolic Medicine
Board-certified endocrinologist focused on obesity medicine and incretin-based therapies.
About Reta1
Modern metabolic medicine, made direct
Reta1, redefined for real life. We believe the most promising class of metabolic medicine shouldn't be locked behind appointments and markups — it should be simple, transparent, and shipped to your door.
Triple-agonist peptides represent a genuine step change in metabolic health — engaging the GLP-1, GIP and glucagon pathways at once. Yet getting access still means navigating clinics, waiting rooms, and a chain of middlemen who each add cost and friction.
Reta1 was built to remove that friction without removing the care. A licensed clinician reviews every request, your protocol is pharmaceutical-grade and third-party tested, and everything you need arrives in one cold-chain box. No guesswork, no runaround — just results, shipped to your door.
Direct, not diluted
We cut out clinics, waiting rooms, and middlemen — not the medicine, the oversight, or the support.
Pharmaceutical-grade, always
cGMP manufacturing and third-party testing on every batch. If we wouldn't take it, we won't ship it.
Honest about risk
Real medicine has real effects. We're upfront about side effects, eligibility, and who Reta1 isn't for.
Human support
Big change is easier with a team. Our clinicians stay a message away from start to finish.
Clinical review
Built and reviewed by practising clinicians
Reta1 is built and reviewed by licensed clinicians and scientists. Every protocol request is reviewed by a qualified clinician before anything ships.
Dr. Julian Okafor, MD
Internal Medicine
Internist specializing in cardiometabolic risk and long-term protocol management.
Dr. Priya Nair, PharmD
Clinical Pharmacology
Pharmacist overseeing sourcing, titration safety, and drug-interaction review.
Dr. Samuel Reed, PhD
Peptide Chemistry
Leads purity standards, third-party testing, and certificate-of-analysis review.
Dr. Clara Bennett, MD
Obesity Medicine
Diplomate of the American Board of Obesity Medicine; member experience and outcomes.
Dr. Idris Haddad, MD
Preventive Medicine
Designs conservative, evidence-led protocols centered on long-term safety.
Start my plan
Start your protocol, shipped to your door.
Join the 12,000+ people on their Reta1 protocol. Start your plan, complete a short clinician-reviewed intake, and we’ll take it from there.