What is a “Long Fast”?
Not eating for multiple days in row (in contrast to time-restricted feeding or intermittent fasting). This means no calories. Some things are okay like water, tea, coffee, vitamins, and minerals.
Why… would anyone do this?
A low rist way to get wonder-drug like results, quickly, and by literally doing nothing. (No Ozempic needed!)
- Diet and looks! One-half to one pound of durable fat loss per day
- Metabolic health! Reverse Type-2 Diabetes and control blood sugar
- Longevity benefits (maybe*)! Potentially protect against cancer and alzheimer’s
More details about Health Benefits.

Our bodies evolved to be able to fast
Although it sounds scary, we would not be here if our ancestors couldn’t survive a fast. Throughout history humans experienced were regular periods of non-eating. Our bodies evolved to store excess energy in the form of fat in times of abundance, and use that stored fat for energy in times of famine. Your body was built to do it and handle it just fine!

Try a long fast, you might surprise yourself
Most people find that it is easier than expected. Hunger comes in waves and will subside eventually. The more often you do it, the easier it becomes.
For the fastest way to get started, go to the Cheat Sheet for a 3-day Fast!
Prepare:
During your fast:
What is LONGFAST.com?
At LONGFAST our goal is to help you use multi-day fasting to get wonder-drug like results, quickly, safely, and by literally doing nothing. In addition to being a no-BS resource about the science behind fasting, this will be a practical guide to the knitty-gritty details around executing a multi-day fast in the real world.