Back to Products
Metabolic & Weight Loss★ Clinical Trial Validated
Tirzepatide 15mg (GLP-2 T)

Tirzepatide 15mg (GLP-2 T)

Dual GIP/GLP-1 agonist — the most effective weight loss peptide in clinical trials.

14.9%

Avg body weight reduction

68wk

STEP-1 trial duration

FDA

Reviewed mechanism

Tirzepatide is a dual GIP/GLP-1 receptor agonist that achieved 20.9% average weight loss in Phase 3 trials — the greatest weight reduction of any peptide in clinical history.

Weight LossGIPGLP-1TirzepatideBody Composition
1

20.9% Weight Loss

SURMOUNT-1 data — the largest weight reduction ever documented in a Phase 3 anti-obesity trial.

2

Dual Agonist

GIP + GLP-1 dual activation produces greater weight loss than either target alone — synergistic mechanism.

3

56% Lose 20%+

At 15mg, 56% of subjects lost more than 20% of body weight — results previously achievable only through surgery.

Tirzepatide (GLP-2 T) 15mg: The Complete Dual Agonist Protocol

Mechanism · Evidence · Application

Tirzepatide is the most effective anti-obesity peptide ever studied in Phase 3 clinical trials. As a dual GIP (Glucose-Dependent Insulinotropic Polypeptide) and GLP-1 (Glucagon-Like Peptide-1) receptor agonist, tirzepatide activates two complementary metabolic regulatory pathways simultaneously.

The GIP + GLP-1 Dual Mechanism

GIP and GLP-1 are the two primary incretins — gut hormones released in response to eating. While GLP-1 (targeted by semaglutide) has been well-characterized, GIP's role in weight regulation was less understood until tirzepatide's development.

Tirzepatide's dual mechanism produces effects exceeding either agonist alone: - GIP activation: Enhances insulin sensitivity, promotes adipose lipolysis, and modulates food reward pathways - GLP-1 activation: Reduces appetite, slows gastric emptying, and regulates glucose metabolism - Combined: The dual signal appears to produce synergistic — not merely additive — effects on body weight

SURMOUNT Trial Data

The SURMOUNT-1 Phase 3 trial is the landmark dataset: - 20.9% average body weight reduction at 72 weeks (5mg–15mg dose range) - 56% of participants lost 20%+ of body weight at the highest dose - 82% of participants at 15mg achieved at least 5% weight loss - Improvements in blood pressure, lipids, insulin resistance, and liver fat

Metabolic & Weight Loss Results

20.9% average weight loss in SURMOUNT-1 — the most ever documented for a single peptide

56% of subjects lost 20%+ of body weight at 15mg — surgical-level weight loss

Dual GIP + GLP-1 activation — superior to single-agonist protocols

Significantly improves insulin resistance and type 2 diabetes markers

Reduces visceral and liver fat more than semaglutide in head-to-head data

Once-weekly subcutaneous injection due to ~5-day half-life

Improves cardiovascular risk markers: blood pressure, LDL, triglycerides

Preserves lean muscle mass at higher rates than earlier GLP-1 agents

Weight Loss Protocol Guide

Tirzepatide 15mg (GLP-2 T) Protocol Guide

Escalation Protocol (16 weeks to maintenance):

· Weeks 1–4: 2.5mg once weekly

· Weeks 5–8: 5mg once weekly

· Weeks 9–12: 7.5mg once weekly

· Weeks 13–16: 10mg once weekly

· Weeks 17+: 12.5–15mg once weekly (maximum)

Injection Instructions:

· Once-weekly subcutaneous injection (abdomen, thigh, or upper arm)

· Rotate injection sites each week

· May take with or without food

· Same day of week for consistent plasma levels

Tirzepatide 15mg (GLP-2 T)

Tirzepatide 15mg (GLP-2 T)

Apollo Peptides Sciences

$149.99

Buy from Apollo

Affiliate link · supports PeptidesClav

Body Composition

Dual GIP/GLP-1 agonist — the most effective weight loss peptide in clinical trials.

Weight LossGIPGLP-1Tirzepatide

Quality Assurance

HPLC Testing

Purity verified per batch

Mass Spectrometry

Molecular identity confirmed

Certificate of Analysis

Publicly available

US-Based Supplier

Apollo Peptides Sciences

Synergistic Combinations

Stack Tirzepatide 15mg (GLP-2 T) With

Tirzepatide 30mg (GLP-2 T)
Body Composition
Evidence

Tirzepatide 30mg — two months of supply at 15mg/week maintenance dose. Best single-vial value for extended tirzepatide protocols.

Weight LossGIPGLP-1

From Apollo

$279.99

Semaglutide 10mg (GLP-1 S)
Body Composition
Evidence

Semaglutide 10mg — the most popular vial size for sustained GLP-1 dosing protocols. Provides 4–8 weeks of supply depending on dose escalation stage.

Weight LossGLP-1Metabolic

From Apollo

$99.99

CJC-1295 / Ipamorelin
#3 Popular
Growth Hormone
Evidence

Ipamorelin + CJC-1295 is the most popular GH secretagogue combination. Ipamorelin triggers GH pulses while CJC-1295 amplifies and extends them for superior muscle growth and fat loss.

GH PeptideMuscleFat Loss

From Apollo

$50.00

Tirzepatide 15mg (GLP-2 T)

Ready to Start?

Begin your Tirzepatide 15mg (GLP-2 T) protocol

Source from Apollo Peptides Sciences — HPLC-tested, mass-spectrometry verified, with a Certificate of Analysis per batch.

Shop Tirzepatide 15mg (GLP-2 T) at Apollo