Loop membership.
Telehealth, research peptides, coaching, and community — the whole ecosystem, under one membership.
Join LoopWelcome to Loop.
Karen thought of you.
Karen MartelPeptides alone don't change your life. What does is the ecosystem around them — the coaching that walks you through your protocol, the community that's been where you are, the practitioners who've turned the science into something you can actually follow. That's Loop. Not just the peptides — the whole system that makes them work for you.
Referred by Karen Martel
6 PATHWAYS · ONE ECOSYSTEM
Choose where you start. We’ll guide the rest.
Research peptides.
For the curious and the committed. Access the full Loop research catalog — third-party verified, fully documented.
20% off · Use codeEmail for codeBrowse the catalog Use code OPTIMIZE20— copies code and opens Browse the catalog
Coaching, the Loop way.
Sit down with a Loop coach who’ll walk you through the Loop Way — your goals, your story, and a protocol built around where you actually are.
Book a coaching call
Telehealth, simplified.
Physician-supervised peptide therapy access. Optional clinical consultations available.
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Daily foundations.
Protein, creatine, and the everyday basics — the inputs that make the rest of a protocol work.
15% off · Use codeEmail for codeShop supplements — copies code and opens Shop supplements
Loop beauty.
GHK-Cu copper peptide skincare for everyday rituals. A 2% firming serum and caffeine hydrogel eye patches for brighter, firmer-looking skin (and fewer tired mornings).
Shop Loop Beauty
Loop Peptide Coaching Course
Deepen your education. Learn what our coaches learn.
Our comprehensive peptide curriculum — the science, the protocols, the bloodwork interpretation, and the Loop Way of guiding clients. Whether you’re a practitioner, a health-obsessed learner, or someone who wants to truly understand your own protocol, this is where you go deeper.
Explore the course