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Can you drink tea and coffee on Ozempic or Mounjaro?

GLP Guidebook teamUpdated 5 Oct 202614 sourcesWritten from published sources
The short answer

Yes. We found nothing in the US or EU labels for Ozempic (semaglutide) or Mounjaro (tirzepatide) that rules out tea or coffee. Semaglutide tablets (Rybelsus, and Ozempic tablets in the US) are different. Their labels say to wait at least 30 minutes after the tablet before eating or drinking. India's ICMR-NIN puts the caffeine limit at 300 mg a day.

Before you go further
  • GLP‑1 medicines such as Ozempic, Mounjaro and Rybelsus are prescription-only in India.1
  • A government statement on 1 Apr 2026 said only endocrinologists, internal-medicine specialists and cardiologists can prescribe them.1
  • The risks are in Guide 5: Side effects and risks.
  • Nothing here promises any result.

Do the Ozempic and Mounjaro labels mention tea or coffee?

We found no mention of tea, coffee or caffeine in the US or EU labels for Ozempic or Mounjaro, both weekly injections.2,3,4,5

Both US labels say the injection can be taken at any time of day, with or without meals.2,3

The UK's NHS medicine pages name alcohol, not tea or coffee.6 India's ESI 2025 obesity guideline says to avoid fizzy drinks and alcohol, but doesn't name tea or coffee. For nausea it suggests ginger candy, cloves or fennel seeds, and drinks “such as buttermilk, kokum juice, in small quantities”.7

Why do semaglutide tablets need a gap before morning chai?

Rybelsus (semaglutide tablets) is taken on an empty stomach, and its labels say to wait at least 30 minutes before eating or drinking.8,9

The US label says to swallow it with up to 120 mL (4 ounces) of plain water only.8 The EU label says waiting less than 30 minutes lowers how much semaglutide the body absorbs.9

The current US label covers both Rybelsus and Ozempic tablets.8 More in Is there an Ozempic tablet? The full routine is in When and how should you take Rybelsus?

Can tea or coffee worsen side effects or dehydration?

A Spanish expert panel advises avoiding coffee, tea, spices and cola for heartburn on GLP‑1 medicines, while the NHS counts tea and coffee as fluids.10,11

Reflux or heartburn is common (1 in 10 to 1 in 100) on Ozempic and Mounjaro, say their EU leaflets.4,5 For heartburn in a liraglutide patient, the 2023 panel advises “avoiding stimulant/secretory compounds (coffee, tea, spices, cola drinks)”. It lists coffee among drinks to avoid with diarrhoea.10 Its advice is expert opinion, and Novo Nordisk, Ozempic's maker, funded the work.10 Other triggers are in Foods to avoid on Mounjaro or Ozempic.

The US labels warn that vomiting or diarrhoea can cause dehydration, which may lead to kidney problems.2,3 ICMR-NIN suggests about 2 litres of water a day, including beverages.12 An Indian expert consensus, supported by Abbott Nutrition, suggests over 2 litres of water or non-sugary drinks.13 Once someone is dehydrated, the NHS advises avoiding caffeinated drinks.14

Get help now: call 112 for signs of shock in someone who is dehydrated.14 These include cold skin, or pale, grey, blue or blotchy skin, lips or tongue. Fast or difficult breathing, confusion, or being very sleepy and hard to wake are signs too.14 More signs are in Which symptoms on a GLP-1 need urgent care?
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What does ICMR-NIN say about caffeine and sugar in chai?

ICMR-NIN advises keeping caffeine within 300 mg a day, and added sugar to 20 to 25 g a day for adults.12

It puts 80 to 120 mg of caffeine in a 150 mL cup of brewed coffee. Instant coffee has 50 to 65 mg, and tea 30 to 65 mg.12 It also advises keeping tea and coffee at least 1 hour away from meals, because their tannin interferes with iron absorption.12

ICMR-NIN counts 1 teaspoon as 5 g.12 So 2 cups of chai with 2 teaspoons of sugar each make 20 g, all or most of the day's limit. The type 2 diabetes path covers blood sugar on these medicines.

Read the full picture

Related questions

Can you drink alcohol on Mounjaro or Ozempic? What is Rybelsus 3 mg used for? What helps constipation on Mounjaro or Ozempic? How long do Mounjaro side effects last? When and how should you take Rybelsus?
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Sources

  1. Press Information Bureau (PIB) Research, Government of India. GLP-1 drugs: use, risks, and regulation (backgrounder), 1 Apr 2026. static.pib.gov.in
  2. Novo Nordisk. Ozempic (semaglutide) US prescribing information and Medication Guide, revised 05/2026. US label, not the Indian one: we found no public Indian label. Sections 2.1, 5, 7; Medication Guide. novo-pi.com
  3. Eli Lilly. Mounjaro (tirzepatide) US prescribing information, revised 08/2026. US label, not the Indian one: we found no public Indian label. Sections 2.1, 5, 7. pi.lilly.com
  4. European Medicines Agency. Ozempic product information (summary of product characteristics and package leaflet), section 4 of the leaflet. EU label. ema.europa.eu
  5. European Medicines Agency. Mounjaro product information (summary of product characteristics and package leaflet), section 4 of the leaflet. EU label. ema.europa.eu
  6. NHS (UK). Semaglutide and Tirzepatide medicine pages, "Food, drink and alcohol" (both last reviewed 15 May 2026). UK advice. nhs.uk/medicines/semaglutide · nhs.uk/medicines/tirzepatide
  7. Madhu SV, Kapoor N, Das S, Raizada N, Kalra S. ESI clinical practice guidelines for the evaluation and management of obesity in India: an update (2025). Indian J Endocrinol Metab 2025;29:355-365. Table 6. doi:10.4103/ijem.ijem_680_25 · PMID 40917319
  8. Novo Nordisk. Rybelsus (semaglutide tablets) US prescribing information, revised 1/2026; covers Rybelsus and Ozempic tablets. Section 2.1. US label, not the Indian one: we found no public Indian label. novo-pi.com
  9. European Medicines Agency. Rybelsus product information, summary of product characteristics section 4.2. EU label. ema.europa.eu
  10. Gorgojo-Martínez JJ et al. Clinical recommendations to manage gastrointestinal adverse events in patients treated with GLP-1 receptor agonists: a multidisciplinary expert consensus. J Clin Med 2023;12(1):145. Table on diarrhoea; Scenario 2 (heartburn). Funded by Novo Nordisk. PMC9821052 · PMID 36614945
  11. NHS (UK). Water, drinks and your health (page last reviewed 17 May 2023; its own next-review date, 17 May 2026, has passed). UK advice. nhs.uk
  12. ICMR-National Institute of Nutrition. Dietary Guidelines for Indians, 2024. Pages 2 (sugar 20–25 g), 89 (water), 91 (tea and coffee), 111 (teaspoon = 5 g). nin.res.in
  13. Joshi SR, Misra A, Mithal A et al. Nutritional considerations for glucagon-like peptide-based therapies: an Asian Indian consensus recommendation. Obes Pillars 2026;19:100296. Statement 15. Supported by Abbott Nutrition International, India. doi:10.1016/j.obpill.2026.100296 · PMID 42529748
  14. NHS (UK). Dehydration (page last reviewed 1 May 2026). UK advice; the page's emergency number is 999, India's is 112. nhs.uk

Last checked 5 Oct 2026 · Next review due 5 Oct 2027 · Report an error

How this answer was made. Written by the GLP Guidebook team from the sources above. It's general information, not medical advice. Talk to a qualified doctor before starting, stopping or changing any medicine. How we write