The ZIVOLABS journal

Things worth knowing — before, during, after.

Short, plain-language guides on GLP-1 therapy and metabolic health, written and reviewed by ZIVOLABS doctors. No clickbait. No miracle promises.

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Showing 1–12 of 35

How to use GLP-1· 5 min

Is it safe to drink tea or coffee right after my injection?

Yes for injectables — there's no timing issue. Only oral semaglutide (Rybelsus) needs you to wait about 30 minutes before any food or drink.

22 Feb 2026

How to use GLP-1· 5 min

How do I store a GLP-1 pen while travelling in summer?

Use an insulated pouch with a frozen gel pack, keep it out of direct sun, and never leave it in a parked car. Top up the cold source on long journeys.

26 Dec 2025

How to use GLP-1· 5 min

What if I inject in the wrong spot?

The abdomen, outer thigh and back of the upper arm are all fine, and absorption is similar enough not to worry. Just rotate sites and avoid scars or stretch marks.

12 Jun 2025

How to use GLP-1· 5 min

Can I split my dose?

No. Pens are designed to deliver an exact dose; splitting risks inaccurate dosing. If a dose feels too strong, the answer is to slow the titration, not split pens.

11 Jun 2025

How to use GLP-1· 5 min

Should I take my injection before or after meals?

It doesn't matter — the weekly injection isn't tied to meals. Oral semaglutide (Rybelsus) is the exception and must be taken fasted with a little water.

10 Jun 2025

How to use GLP-1· 5 min

How long can I stay on a GLP-1?

These are treatments for a chronic condition, often taken for years. They don't stop working over time; stopping usually brings appetite — and often weight — back.

9 Jun 2025

How to use GLP-1· 5 min

When do I switch to a maintenance dose?

Once you've reached your goal and held it for several weeks, your doctor steps you down to a maintenance dose — usually one or two steps below your peak.

8 Jun 2025

How to use GLP-1· 5 min

Can I stay on a lower dose if it's working?

Yes. If you're losing weight comfortably at a lower dose, there's no need to push higher. The goal is the lowest effective dose, not the maximum.

7 Jun 2025

How to use GLP-1· 5 min

How long do I stay on the starting dose?

Usually about four weeks per step before increasing, though your doctor may hold you longer if side effects are tough. There's no rush.

6 Jun 2025

How to use GLP-1· 5 min

Why does my dose keep increasing?

Starting low and stepping up (titration) lets your gut adapt and keeps side effects manageable. The early low doses are about tolerance; the higher doses drive most of the weight loss.

5 Jun 2025

How to use GLP-1· 5 min

How long until a GLP-1 starts working?

Appetite often drops within the first week or two, but meaningful weight loss builds over 1–3 months as the dose increases. Judge progress monthly, not daily.

4 Jun 2025

How to use GLP-1· 5 min