Fasting guides
These guides explain how common fasting schedules work. They are educational examples, not a plan for you.
- What is intermittent fasting?
- What is 16:8 fasting?
- What is 18:6 fasting?
- Fasting schedules, as examples
- What to drink while fasting
- Hunger while fasting
- How to break a fast
- Common fasting mistakes
- Fasting and exercise
- Fasting questions, answered plainly
New to this? Start here.
Safety. People who are pregnant, breastfeeding, under 18, have an eating disorder or a history of one, have diabetes or hypoglycemia, take medication, or have a heart, kidney, or other medical condition should talk with a healthcare professional before fasting. Stop a fast and get help if you feel faint, confused, or unwell.