Is It Necessary to Reach Ketosis to Lose Weight?

The ketogenic diet is one of the most popular diets in the world. In recent years, it has topped the charts as one of the most often-Googled diets. Fans of the keto diet tout improved energy levels, better concentration, reduced appetite, and weight loss as benefits to being “in ketosis,” or the metabolic state in…

Read More

Will It Break My Fast?

When considering whether a food, beverage, or supplement might break a fast, it’s important to first consider what your goals are around fasting. The three most common reasons people fast are for weight loss/metabolic health, gut rest, or longevity. Let’s look at a few items through that lens. Coffee Coffee has minimal calories, but what…

Read More

How Our New CEO Lost 55 Pounds

By Tom Conrad, as told to Allison Goldstein My name is Tom Conrad, and I am 52 years old. I split my time between New York City and Sonoma, CA, and I am Big Sky Health’s new CEO. Heaviest Weight: 229 lbs Current Weight: 171 lbs As far back as elementary school, I was conscious…

Read More

Introducing Tom Conrad, Zero’s Next CEO

A Letter from Mike Maser I founded Big Sky Health, makers of Zero, nearly four years ago, with the goal of empowering people to unlock improved health and longevity through fasting. Together, in that time, we’ve fasted for 1.5 billion hours over 100 million fasts. Those are some seriously impressive numbers. And it’s the dedication…

Read More

How Researchers are Using Zero to Improve the Health of Firefighters

By: Rich LaFountain This may come as a surprise, but firefighters have surprisingly high disease, obesity, and mortality risk. You’d think such a high-intensity job would require extreme physical fitness, and the truth is, it does! But the very nature of firefighting – its unpredictability – makes it tough to maintain optimal health. Just think…

Read More

Can You Do a 16:8 Fast Every Day?

Yes, you can! Daily 16:8 time-restricted feeding (TRF) is safe to practice as long as you are acquiring the energy and nutrition that you need within your eating window; 8-hours is typically more than enough time to consume your daily energy/nutrition requirements. Exceptions apply to those who require longer eating windows in order to comfortably…

Read More

Does Exercise Amplify the Benefits of Fasting?

How does exercise impact the progression of a fast? Asked By: Elliot K. The more you exercise, the more fuel you burn, and different types of exercise prioritize different fuels. So the volume and intensity of your training will definitely impact the speed at which you move through your Fasting Zones.  The progression of fast…

Read More

How to Manage Side Effects of Fasting

Do side effects of fasting (headache, moodiness, etc) become more manageable over time? Asked By: Cheyenne L. Yes! In the beginning stages, fasting can certainly present challenges. The most common side effects of fasting are often the result of electrolyte deficiencies and can be easily remedied and prevented by staying hydrated and adding in a…

Read More

A weekly digest with the latest science and motivation.