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 25–34 of 34

Safety & long-term use· 5 min

Can a GLP-1 cause heart palpitations?

A small rise in resting heart rate can occur and is usually harmless. Noticeable palpitations or a big change should be reported to your doctor.

27 Dec 2024

Safety & long-term use· 5 min

How much alcohol is safe on a GLP-1?

There's no fixed limit, but less is better — alcohol hits harder on reduced food intake, adds empty calories and can worsen nausea. Keep it occasional and never on an empty stomach.

26 Dec 2024

Safety & long-term use· 5 min

Is it safe to smoke or vape while on a GLP-1?

There's no direct interaction, but smoking works hard against the heart and metabolic benefits you're after. Weight loss is a great moment to also cut tobacco.

25 Dec 2024

Safety & long-term use· 5 min

What are the signs of dehydration to watch for on a GLP-1?

Dark urine, dry mouth, dizziness on standing and fatigue. Reduced thirst plus any vomiting or diarrhoea makes dehydration easy to miss — drink steadily.

24 Dec 2024

Safety & long-term use· 5 min

Can you overdose on a GLP-1?

Taking too much mainly causes severe nausea and vomiting rather than immediate danger, but it should be avoided. Never double a dose; contact your doctor if you've taken extra.

23 Dec 2024

Safety & long-term use· 5 min

What are the warning signs I should stop my GLP-1 immediately?

Severe, persistent upper-belly pain radiating to the back (possible pancreatitis), signs of a severe allergic reaction, or relentless vomiting with dehydration — seek care urgently.

22 Dec 2024

Safety & long-term use· 5 min

How often should I see a doctor while on a GLP-1?

Closely during titration (every few weeks), then every few months once stable. A supervised program keeps follow-up and dose changes on track.

21 Dec 2024

Safety & long-term use· 5 min

What blood tests do I need before starting a GLP-1?

Typically blood sugar/HbA1c, kidney and liver function, lipids, thyroid, and sometimes lipase. Baselines let your doctor track benefits and catch problems early.

20 Dec 2024

Safety & long-term use· 5 min