1. Not Drinking Enough Water

Dehydration is the #1 reason people feel weak during fasting. Aim for at least 2-3 liters of water during your fasting window. Black coffee and unsweetened tea also count.

2. Overeating When Breaking Fast

This happens most often. After 16 hours of fasting, appetite surges and many people binge. Remember: you still need to maintain a calorie deficit.

3. Not Enough Protein

Protein is crucial for preserving muscle mass during fasting. Make sure every meal in your eating window has a quality protein source.

4. Exercising at the Wrong Time

Many people feel tired because they exercise at the end of their fasting window. Try training 1-2 hours after a big meal. Energy is much more stable.

5. Not Being Consistent

IF isn't a sprint, it's a marathon. It takes 2-4 weeks for your body to adapt. Don't give up in the first week.

Track your performance during IF with the G-Trackt Fasting Tracker — know exactly when you're fasting and not fasting.