Peptides 101: What They Are and How They Work
A plain-language primer on peptide therapy — what peptides actually do in the body, and why dosing precision matters.
Read articleFundamentals
The Motion Learning Center
THE CLASSROOM
Straight talk on peptides and the science behind moving forward — written and reviewed by the Motion clinical team. New lessons posted regularly.
Latest Articles
Fresh from the classroom.
Start with the basics below, or check back often — this is where new posts will land.
Recovery
BPC-157 vs. TB-500: What's the Difference?
Two of the most talked-about recovery peptides, compared side by side — and how a clinician decides which fits your protocol.
Read articleRecovery
Growth Hormone Secretagogues 101: How Peptides Like Ipamorelin Work
How CJC-1295 and ipamorelin target two separate signals to support your body's own growth hormone production.
Read articleWeight & Metabolism
GLP-1s Explained: Semaglutide, Tirzepatide, and Beyond
Single, dual, and triple receptor agonists compared — what the trials show, and when retatrutide might realistically be available.
Read articleLabs & Testing
How to Read Your Hormone Panel Like a Clinician
A walkthrough of the numbers that matter most on a standard hormone panel, and what "in range" doesn't tell you.
Read articleBehind the Scenes
Cold-Chain Shipping: Why Your Peptides Arrive on Ice
A look at how Motion keeps every dose stable in transit, from the pharmacy to your door.
Read articleWeight & Metabolism
Tirzepatide vs. Semaglutide: What They Actually Cost
Zepbound, Mounjaro, Wegovy, and Ozempic don't share a price tag, and the sticker price rarely matches what most people actually pay. Here's a clear-eyed look at both drugs' real costs.
Read articleWeight & Metabolism
Compounded Semaglutide vs. Ozempic: What's Actually Different
“Compounded semaglutide” and brand-name Ozempic both contain the same active molecule in theory — but how they're made, regulated, and dosed is genuinely different. Here's what separates them.
Read articleRecovery
NAD+ Injections: What the Research Actually Shows
NAD+ shows up in nearly every conversation about cellular energy and aging — and increasingly in injectable form at recovery clinics. Here's what the coenzyme actually does, and what's actually been proven in humans.
Read articleSkin & Renewal
GHK-Cu for Skin: What the Copper Peptide Actually Does
GHK-Cu is the copper peptide behind a lot of "copper peptide" skincare claims, and it's a real, naturally occurring part of your biology. Here's what the research actually supports, in both topical and injectable form.
Read articleLibido & Drive
PT-141 for Libido: What's Actually FDA-Approved
PT-141, also known as bremelanotide, is one of the few peptides in this category with genuine FDA approval behind it — but that approval is narrower than a lot of marketing implies. Here's the accurate picture.
Read article
Note: Peptides 101, BPC-157 vs. TB-500, Growth Hormone Secretagogues 101, GLP-1s Explained, Tirzepatide vs. Semaglutide, Compounded Semaglutide vs. Ozempic, NAD+ Injections, GHK-Cu for Skin, and PT-141 for Libido are live above — the remaining two are placeholder posts to show off the layout. Swap them in as real articles get published by duplicating an
<article class="article-card"> block — each one can link out to its own article page.