Tag: Burn fat or muscle

According to a systematic review published in *The BMJ*, intermittent fasting can be an effective weight-loss strategy, but a common concern is: **will fasting burn fat or muscle?**. The short answer is that it depends on the type of fast, its duration, and how you support your body with nutrition and exercise.

In the initial 24 hours of a fast, your body primarily relies on stored glycogen (sugar) for energy. This raises a critical question for those considering extreme measures: **Does starving burn fat or muscle first?**