GIP / GLP-1 dual receptor agonist
Tirzepatide
The dual-receptor standard.
A dual GIP and GLP-1 receptor agonist that reduces appetite signalling, slows gastric emptying, and improves insulin sensitivity.
Dose
- Third-party tested
- Discreet packaging
- Tracked shipping
- Answered by a person
What this actually is
Before you decide, understand it.
Mechanism
Binds both GIP and GLP-1 receptors. Slows gastric emptying so meals stay satisfying longer, increases glucose-dependent insulin release, and reduces appetite signalling in the hypothalamus.
Tirzepatide is the compound most people mean when they say they are 'on a GLP-1', though that name only tells half the story. It acts on two receptors rather than one — GLP-1, which governs satiety and gastric emptying, and GIP, which appears to improve how efficiently the body stores and uses fat. In head-to-head research the dual mechanism has produced larger changes in body composition than GLP-1 alone at comparable doses.
For most women starting out, the meaningful part is not the number on the scale in week one. It is that the constant background negotiation with food gets quieter, which makes every other habit easier to hold.
What to expect, and when
Timelines are compound-specific. Here's this one's.
Week 1–2
Appetite signalling changes first. Most people notice smaller portions before they notice anything else.
Week 3–6
Body composition begins to shift. This is also when dose titration usually happens.
Week 8–12
The most visible period of change, and the point at which protein and resistance training matter most.
Month 4+
Maintenance strategy becomes the conversation — including how to hold results if you step down.
Good to know
The things we'd tell you in person.
- 01
Start low. Nearly every difficult first month traces back to starting too high.
- 02
Protein intake and resistance training protect lean mass. Without them, a share of the loss is muscle.
- 03
Gastrointestinal effects are the most common complaint and are usually dose-related.
- 04
Store reconstituted product refrigerated and use within the window on your protocol sheet.
What a peptide actually is
What these compounds are, why your body already makes thousands of them, and what makes a therapeutic peptide different from a protein.
Read the guide →Order together
What people order alongside Tirzepatide.
Before you order
Common questions.
Anything not covered here, ask us directly — English or Spanish.
Ask about Tirzepatide →Peptides ship as a freeze-dried powder because they are far more stable that way. Reconstitution is adding bacteriostatic water to turn that powder into a measurable liquid. It matters because the ratio you choose determines what every subsequent dose actually contains — get the ratio wrong and every dose after it is wrong too. Our reconstitution kit includes a chart so you are not doing the arithmetic yourself.
Unopened lyophilised vials are stable at room temperature, away from light. Once reconstituted, refrigerate — and write the date on the vial, because you will not remember it. Do not freeze a reconstituted vial. Do not shake one; swirl it gently.
It depends on the compound. GLP-1 compounds change appetite within a week or two. Collagen-signalling peptides need six to ten weeks because new collagen has to physically be built. Recovery compounds usually show up around week three. Every product page on this site has its own timeline for exactly this reason.
No. Our products are sold as research compounds, which is why every vial is labelled for research use and why nothing on this site is presented as medical treatment. Deciding whether something is appropriate for you sits with you and whoever advises you.
You choose how to pay while you check out — Zelle, Cash App or Venmo — and the details appear the moment you place the order, along with your order number. No cards, and no card details are collected anywhere on this site. Put that order number in the payment note: it is the only thing linking your payment to your order. Every order is confirmed personally, and once a C.N.M Agent has seen the payment it moves to fulfilment with a tracking number.
Unopened, unused items in original packaging can be returned within 14 days of delivery. For safety reasons we cannot accept returns on anything that has been opened or reconstituted. If something arrives damaged or wrong, tell us and we will replace it.