Tirzepatide
Tirzepatide is a weight loss (glp-1/gip) peptide. Typical research dosing is once weekly injection, and the body of supporting research is fda approved (mounjaro/zepbound).
Buying Tirzepatide in the Philippines
- Availability
- Mounjaro listed by Watsons in all six KwikPen strengths, click and collect only. No PH registration identified for Zepbound. Research-grade widely sourced.
- Price range
- ₱11,650–₱29,900 / Mounjaro KwikPen (Rx), Watsons, checked Aug 2026 · ₱4,200–₱6,500 / 30mg vial (research)
- Typical pack
- 2.5mg / 5mg / 7.5mg / 10mg / 12.5mg / 15mg pens (Rx) · 30mg or 60mg lyophilized vials (research)
- Sourcing channel
- Prescription from a licensed Philippine physician, filled at a registered pharmacy, or a research peptide supplier
How to source tirzepatide in the Philippines
Branded Mounjaro is listed by Watsons at every KwikPen strength and by Rose Pharmacy at 5mg, in both cases against a prescription and in both cases with restricted fulfilment. Prescribing belongs with a licensed Philippine physician. Research-grade tirzepatide vials are sourced through peptide suppliers shipping cold-chain. Always verify a third-party COA per batch.
What is Tirzepatide
Tirzepatide is a dual GIP/GLP-1 receptor agonist developed by Eli Lilly and sold commercially as Mounjaro (for type 2 diabetes) and Zepbound (for obesity). It was FDA approved in 2022, making it the best-studied weight loss peptide with the most extensive clinical safety data.
The SURMOUNT-1 clinical trial demonstrated an average weight reduction of 22.5% (up to 26.6% in the highest dose group) over 72 weeks, results that had never been seen with any pharmaceutical or peptide before Retatrutide. It rapidly became the most prescribed weight loss medication in the United States.
In Philippines, research-grade tirzepatide is available at a fraction of the cost of branded Mounjaro. For users who want proven results with robust safety data and would prefer the next step up from semaglutide, tirzepatide is typically the first recommendation. Browse all weight loss peptide options to compare.
How it works
GLP-1 Agonism: Activates GLP-1 receptors to suppress appetite, slow gastric emptying, improve insulin secretion, and reduce blood sugar. This is the same receptor targeted by Semaglutide (Ozempic).
GIP Agonism: GIP receptors in adipose tissue and the brain appear to work synergistically with GLP-1 to enhance the appetite-suppressing effects. GIP agonism also appears to reduce some of the GLP-1-induced nausea, giving Tirzepatide a better tolerability profile than pure GLP-1 agonists.
Together these two mechanisms produce metabolic effects significantly greater than either alone, a phenomenon called receptor co-agonism.
Tirzepatide in the Philippines
Tirzepatide (Mounjaro for diabetes, Zepbound for obesity) reached Philippine pharmacy shelves about 18 months behind semaglutide and is still the harder pen to obtain, though not for the reason most buyers assume. Watsons listed all six KwikPen strengths when checked on 26 August 2026 and Rose Pharmacy listed the 5mg pen, so the price is published. What is restricted is fulfilment: every Watsons strength was click and collect rather than delivery, and the Rose listing showed out of stock. No Philippine registration has been identified for Zepbound, so a box under that name is an import question rather than a pharmacy one.
The research-grade route has matured fast: 30mg vials with verified COAs are standard from the same suppliers that ship semaglutide. Pricing dropped through 2025. A 30mg research vial now runs PHP 6,500–9,500 (USD 115–170), against PHP 29,900 (USD 534) for a 12.5mg branded Mounjaro KwikPen at Watsons, which holds four weekly doses. Both figures are per pack, not per dose, and the two products sit in different regulatory categories.
Most experienced Manila buyers running tirz protocols use research-grade for the dose-titration phase (12 weeks of 2.5–5mg) where the cost gap matters most, then either continue research-grade or transition to branded for long-term maintenance based on supply reliability that month.
Hospitals worth knowing
Makati Medical Center · Makati
Endocrinology consults and prescriptions; the in-house pharmacy publishes no prices, so none is quoted here
St. Luke's Medical Center BGC · BGC
Wellness-medicine clinic prescribes; ask for the counter price before it is rung up
The Medical City · Pasig
Endocrinology and diabetes centre
Asian Hospital · Alabang
South Metro endocrinology fallback
Pharmacy stock: what we've seen
Watsons Philippines · Nationwide
Lists all six KwikPen strengths with prices, prescription checked, click and collect rather than delivery
Rose Pharmacy · Nationwide
Listed the 5mg KwikPen at ₱13,600, out of stock when checked
Southstar Drug · Nationwide
Carries the 5mg KwikPen page, showing available soon rather than in stock
Mercury Drug · Nationwide
Publishes no medicine prices online, so no figure on this page is attributed to it
What this actually costs in the Philippines
| Item | PHP | USD | Source |
|---|---|---|---|
| Mounjaro 2.5mg KwikPen (Rx) | ₱11,650 | $208 | Watsons, 26 August 2026 |
| Mounjaro 5mg KwikPen (Rx) | ₱13,550 | $242 | Watsons, 26 August 2026. Rose Pharmacy ₱13,600 |
| Mounjaro 10mg KwikPen (Rx) | ₱22,950 | $410 | Watsons, 26 August 2026 |
| Mounjaro 12.5mg and 15mg KwikPen (Rx) | ₱29,900 | $534 | Watsons, 26 August 2026 |
| Zepbound pen (Rx) | No PH price | No PH price | No PH registration identified |
| Research-grade tirzepatide 30mg vial | ₱6,500–9,500 | $115–170 | Local supplier with COA, May 2026 |
| Endocrinology consult (specialist) | ₱1,500–2,500 | $27–45 | Makati Med / St. Luke's |
Customs & import reality
Tirzepatide research-grade vials follow the same import treatment as semaglutide. BOC tolerates personal-research quantities under 30 vials; larger shipments draw inspection. Cold-chain handling is more critical than for semaglutide because tirzepatide is more temperature-sensitive: verify your supplier ships with insulated packaging and ice packs sized for your route.
Reported benefits
- 22.5% average weight reduction in SURMOUNT-1 trial
- FDA approved with extensive Phase 3 clinical safety data
- Better GI tolerability vs Semaglutide (due to GIP co-agonism)
- Improved glycemic control for diabetic and pre-diabetic users
- Cardiovascular risk reduction (ongoing trials)
- Once-weekly dosing
- Strong appetite suppression with reduction in food cravings
Dosing protocol
| Phase | Dose | Frequency | Duration |
|---|---|---|---|
| Starting | 2.5mg | Once weekly | Weeks 1–4 |
| Titration 1 | 5mg | Once weekly | Weeks 5–8 |
| Titration 2 | 7.5mg | Once weekly | Weeks 9–12 |
| Titration 3 | 10mg | Once weekly | Weeks 13–16 |
| Maintenance | 10–15mg | Once weekly | Ongoing |
Always start at the lowest effective dose and titrate up gradually.
Turning a dose in milligrams into units on a syringe is arithmetic, not judgement. The reconstitution calculator does it for any vial size, and the rest of the calculator set covers cost per milligram and route comparison.
Current local pricing on this compound sits with our partner and supplier: buy tirzepatide in the Philippines at 15mg for PHP 2,100, PHP 1,890 with 10% off.
Side effects
Common
- Nausea (most common, typically mild with proper titration)
- Diarrhea
- Vomiting (usually during dose increases)
- Constipation
- Decreased appetite
- Injection site reactions
Rare
- Pancreatitis (rare but serious, seek immediate medical attention)
- Gallbladder disease
- Hypoglycemia (mainly in diabetics on insulin)
- Acute kidney injury (from dehydration due to GI side effects)
Who should not use Tirzepatide
What to expect
Week 1–4 (2.5mg)
Mild nausea common. Appetite starts to reduce. Most users lose 1–3kg from water weight and reduced caloric intake.
Week 5–12
Nausea typically resolved. Steady weight loss begins. Food cravings significantly reduced. Energy usually stable.
Month 3–6
Consistent 0.5–1.5kg/week loss when combined with reasonable diet. Body composition clearly changing. Clothes fitting differently.
Month 6+
Weight loss slows as you approach a lower set point. Maintenance dose identified. Many users plateau around their new metabolic equilibrium.
Current local pricing on this compound sits with our partner and supplier: buy tirzepatide in the Philippines at 15mg for PHP 2,100, PHP 1,890 with 10% off.
FAQ
Is generic Tirzepatide the same as Mounjaro?
Should I choose Tirzepatide or Retatrutide?
What if I plateau on Tirzepatide?
Can I take Tirzepatide and BPC-157 together?
Where to get Tirzepatide in the Philippines
Mounjaro is listed by the major Philippine drugstore chains against a prescription; no Philippine registration has been identified for Zepbound. For full Philippines pricing, hospital routes, and research-grade supplier verification, see our Tirzepatide Philippines 2026 guide. For the legal framework around peptides in the Philippines, see our legality guide. Then work through the supplier checklist.
Primary sources
Citations supporting the clinical claims on this page. Each entry links to the primary record.
- [01]
SURPASS-2 Trial: tirzepatide vs semaglutide
TrialFrias JP et al. "Tirzepatide versus Semaglutide Once Weekly in Patients with Type 2 Diabetes." N Engl J Med 2021;385:503-515.
DOI: 10.1056/NEJMoa2107519 - [02]
SURMOUNT-1 Trial: tirzepatide for obesity
TrialJastreboff AM et al. "Tirzepatide Once Weekly for the Treatment of Obesity." N Engl J Med 2022;387:205-216.
DOI: 10.1056/NEJMoa2206038 - [03]
SURMOUNT-4: weight maintenance
TrialAronne LJ et al. "Continued Treatment With Tirzepatide for Maintenance of Weight Reduction." JAMA 2024;331(1):38-48.
DOI: 10.1001/jama.2023.24945 - [04]
Mounjaro Prescribing Information: FDA Label
LabelEli Lilly. Mounjaro (tirzepatide) injection prescribing information. US FDA-approved label.
Source - [05]
Dual GIP/GLP-1 receptor agonist mechanism
MechanismCoskun T et al. "LY3298176, a novel dual GIP and GLP-1 receptor agonist for the treatment of type 2 diabetes mellitus: From discovery to clinical proof of concept." Mol Metab 2018;18:3-14.
DOI: 10.1016/j.molmet.2018.09.009
Risk · Disclosure · Editorial Status
This page is editorial information for adults researching peptide therapy. It is not medical advice, not a prescription, and not an endorsement of any specific product, supplier, or protocol. Side effects can be serious and individual response varies. Talk to a licensed physician (ideally one with peptide-specific clinical experience) before starting any compound, adjusting a dose, or discontinuing therapy.
In the Philippines, GLP-1 medications are prescription-only under FDA Philippines regulation. Research-grade peptides occupy a regulatory gray area: import for personal research use is generally tolerated, but the Bureau of Customs reserves the right to inspect and detain shipments. Do not import for resale.
Editorial Status
Independent · Non-clinical
Affiliation
Not a clinic · Not a pharmacy
Last Updated
August 27, 2026