• EVOLVE
• January 8, 2026
• 10 Best Nutrition Tracker Apps for a Healthier You in 2026
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Once you’ve determined the size of your deficit, you can determine your daily calorie needs for fat loss. This is done by multiplying your TDEE by your deficit percentage size and then subtracting the deficit from your TDEE. To be clear, the 3,500-calorie concept should be used as a rough guideline, mostly for the purposes of education, as it’s not …