Dosing, injections and storage

Schedules, injection technique, storage and the practical questions that come up between check-ins. Your own prescription label and your clinician's instructions always take precedence over anything written here.

9 articles · Where to inject semaglutide and tirzepatide

Where to inject semaglutide or tirzepatide

The three injection sites on the labels, how to rotate them, what day and time to inject, pens versus vials, and what an injection-site reaction looks like.

September 26, 2026 · 6 min read

Missed a dose of semaglutide or tirzepatide? What to do

What the approved labels say about a missed weekly dose, the one rule that matters most, and why doubling up to catch up is the thing not to do.

October 2, 2026 · 6 min read

Best time of day and day of week to take a GLP-1

The labels allow any time of day, with or without food. What that means in practice, and how to pick a day you will actually keep to.

October 2, 2026 · 5 min read

Can you change your GLP-1 injection day?

Yes, within a minimum interval the labels set. How the rule works, why the interval differs between the two molecules, and the safe way to make the switch.

October 2, 2026 · 5 min read

How to store semaglutide and tirzepatide

Refrigeration, room temperature, light and time: what the approved labels specify, and why a compounded vial's instructions can differ from a pen's.

October 2, 2026 · 6 min read

GLP-1 left out of the fridge: is it still usable?

It depends on how long, how warm, and which preparation. How to work out where you stand, and why the answer is a phone call rather than a forum thread.

October 2, 2026 · 5 min read

Traveling with a GLP-1: flights, TSA and time zones

Injectable medication is allowed through airport security, and keeping it cold is the real problem. How to pack it, what to carry, and how to handle time zones.

October 2, 2026 · 7 min read

Units vs mg on a compounded GLP-1 label

Why a units-to-milligrams conversion cannot be published safely, where the real answer lives, and how dosing errors with compounded vials actually happen.

October 2, 2026 · 6 min read

Restarting a GLP-1 after a break

After a gap, clinicians often restart lower and step up again rather than resuming your old dose. Why tolerance resets, and what to expect second time around.

October 2, 2026 · 6 min read

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