HOW-TO8 min read·2026-02-16

How to Titrate GLP-1 Medications: Semaglutide and Tirzepatide Schedules

Master the standard titration schedules for semaglutide and tirzepatide, understand why slow titration matters, and know when to pause.

# How to Titrate GLP-1 Medications: Semaglutide and Tirzepatide Schedules Titration—gradually increasing your GLP-1 dose over weeks—is crucial for tolerability and efficacy. This guide walks you through standard schedules for semaglutide and tirzepatide, red flags that mean you need to pause, and lab checkpoints at each tier.

Semaglutide Titration Schedule

Semaglutide is typically dosed weekly via subcutaneous injection.

Standard 16-week titration:

•**Weeks 1-4**: 0.25 mg weekly.

•**Weeks 5-8**: 0.5 mg weekly.

•**Weeks 9-12**: 1.0 mg weekly.

•**Weeks 13-16**: 1.7 mg weekly.

•**Week 17+**: 2.4 mg weekly (maximum; some practitioners use 1.7 mg as maintenance).

Slower 20-week titration (recommended for GI sensitivity):

•**Weeks 1-5**: 0.25 mg.

•**Weeks 6-10**: 0.5 mg.

•**Weeks 11-15**: 1.0 mg.

•**Weeks 16-20**: 1.7 mg.

•**Week 21+**: 2.4 mg (optional).

The slower schedule reduces gastrointestinal side effects by allowing your gut to adapt to incremental doses.

Tirzepatide Titration Schedule

Tirzepatide is dosed weekly and includes a dual GIP/GLP-1 mechanism.

Standard 16-week titration:

•**Weeks 1-4**: 2.5 mg weekly.

•**Weeks 5-8**: 5 mg weekly.

•**Weeks 9-12**: 10 mg weekly.

•**Weeks 13-16**: 15 mg weekly (maximum; some use 10 mg as effective maintenance).

Extended 20-week titration:

•**Weeks 1-5**: 2.5 mg.

•**Weeks 6-10**: 5 mg.

•**Weeks 11-15**: 10 mg.

•**Weeks 16-20**: 15 mg.

Tirzepatide tends to require even slower titration than semaglutide because the dual mechanism increases GI impact. If you're new to GLP-1s, consider the extended schedule.

Why Slow Titration Matters

Your gastric emptying rate and ghrelin physiology need time to adapt to pharmacological appetite suppression. Jumping to high doses too quickly causes:

•Severe nausea (affects ~40% of people on standard titration; rare on slow titration).

•Vomiting and food aversion.

•Nutritional gaps (protein intake drops, lean mass loss accelerates).

•Medication discontinuation due to intolerance.

Slower titration maintains tolerability while preserving appetite for adequate nutrition. Your appetite suppression still works—it's just more gentle.

Signs You Need to Slow Down

You should pause at your current dose for 2-4 additional weeks if:

•**Persistent nausea** lasting more than 2-3 days after injection. Mild nausea for 12-24 hours is common; unrelenting nausea is not.

•**Vomiting or food aversion**. You're unable to consume protein targets (1g per lb of body weight).

•**Significant energy loss** preventing daily activities or exercise.

•**Abdominal pain** beyond mild cramping.

•**Blood glucose dropping below 80 mg/dL** consistently, especially if you're not diabetic.

When you experience these, stay at your current dose for an extra 2-3 dose cycles before advancing. Your body needs more adaptation time.

When to Hold a Dose Entirely

Skip a dose (do not inject that week) if:

•You're actively vomiting or have severe gastroenteritis.

•You've been unable to eat solid food for more than 24 hours and are not supplementing with adequate calories.

•Your healthcare provider directs you to hold during illness or medical procedures.

Holding one dose doesn't reset your progress; it simply prevents compounding GI stress. Resume the next week at the same dose you skipped.

Lab Checkpoints at Each Tier

At baseline (before starting):

•Fasting glucose.

•HbA1c (even if non-diabetic; establishes baseline).

•Lipid panel.

•Liver function (AST, ALT, ALP).

•Creatinine and eGFR (kidney function).

•Amylase and lipase (pancreas safety baseline).

At week 8 (after two dose increases):

•Fasting glucose and HbA1c.

•Lipids (often improve).

•Liver and kidney function (usually unchanged).

At week 16 (after reaching maximum or near-maximum):

•Full metabolic panel.

•Lipids.

•Optional: body composition (DEXA, InBody) to assess lean mass vs. fat loss ratio.

•Calcitonin (only if risk factors for medullary thyroid cancer; otherwise not routine).

Monthly after stabilization:

•Fasting glucose.

•Weight and body composition trends.

•Protein intake and lean mass preservation.

Dose Adjustment Within Tiers

You don't have to advance exactly on schedule.

•**If tolerating well and seeing results**: advance as scheduled.

•**If tolerating well but results are slow**: stay at current dose 1-2 extra weeks; advancement speed rarely changes outcomes.

•**If tolerating poorly but improving**: extend current dose 2-3 weeks before advancing.

•**If tolerating poorly and not improving**: consult your provider about staying at current dose longer or reducing to prior tier.

Tracking Titration with MyProtocolStack

Log your exact dose each week along with GI symptoms, appetite level (1-10 scale), and weight. MyProtocolStack's tiered tracking shows whether side effects trend downward over 7-10 days at each dose, signaling readiness to advance, or persist, signaling the need to hold.

Titration is a marathon, not a sprint. The goal is reaching an effective dose you can sustain long-term, not the maximum dose. Slow, intentional titration is the surest path to both results and tolerability.

This article is for informational and educational purposes only and does not constitute medical advice. Always consult a licensed healthcare provider before starting, adjusting, or stopping any peptide protocol. MyProtocolStack is a protocol tracking and blood work analysis platform — it is not a medical device and does not provide clinical recommendations.

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Not medical advice. Always consult a qualified healthcare provider before starting any peptide protocol. Read full disclaimer →