Does it break a fast? Answers and articles
44 short answers on what breaks a fast and what does not, plus articles with sources and levels of evidence.
Does it break a fast?
- Water (still or sparkling)Does not break a fast
- Black coffeeDoes not break a fast
- Yerba mate (unsweetened)Does not break a fast
- Tea and herbal infusions, unsweetenedDoes not break a fast
- Sweeteners (sucralose, stevia)It depends
- Mate, coffee or tea with sugar or honeyBreaks a fast
- A splash of milk in your coffeeIt depends
- Latte, flat white or cappuccinoBreaks a fast
- Butter or MCT oil coffeeBreaks a fast
- Diet or zero sodasIt depends
- Fruit juice (even fresh)Breaks a fast
- BrothIt depends
- Sugar-free electrolytesDoes not break a fast
- Sugar-free gumIt depends
- Medicines and supplementsIt depends
- Apple cider vinegar in waterDoes not break a fast
- AlcoholBreaks a fast
- Toothpaste and mouthwashDoes not break a fast
- Lemon waterDoes not break a fast
- Green tea, unsweetenedDoes not break a fast
- Matcha in water, unsweetenedDoes not break a fast
- Mate tea bag (mate cocido), unsweetenedDoes not break a fast
- Tereré (cold yerba mate)Does not break a fast
- Flavored waterIt depends
- Unsweetened almond milkIt depends
- Mints or hard candy with sugarBreaks a fast
- Sugar-free mintsIt depends
- Collagen powderBreaks a fast
- Protein powder (whey)Breaks a fast
- CreatineDoes not break a fast
- Amino acids (BCAA)Breaks a fast
- Gummy vitaminsBreaks a fast
- Multivitamin pillDoes not break a fast
- Omega-3 capsulesIt depends
- Ginger or turmeric infusionDoes not break a fast
- KombuchaBreaks a fast
- Sports or isotonic drinksBreaks a fast
- Non-alcoholic beerBreaks a fast
- Coffee with sweetenerIt depends
- Mate with milkBreaks a fast
- A piece of fruit (e.g. an apple)Breaks a fast
- A handful of nutsBreaks a fast
- YogurtBreaks a fast
- Coconut waterBreaks a fast
Articles
- What happens in your body, hour by hour (and how sure we are)
- How to start without suffering
- Who should not fast (or only with a doctor)
- What the science actually says
- Why your scale lies (and how to read it)
- What to eat in your window: protein first
- Fasting and your menstrual cycle: what we know
- Training while fasting: yes, but it depends
- Vegan or vegetarian days without falling short
- Short sleep makes you hungrier
- Glucose: what to watch and what not to
- Prediabetes: what it is and what helps
- Real hunger or cravings
- Support for GLP-1 treatments: semaglutide and tirzepatide
Log in one line, see your fast on the plate-clock, and use it in your browser while it arrives in the stores.
General information; not a substitute for a health professional.