I saw a thing that said calorie count changes weight, macros changes physique, micronutrients changes health. So if you're eating less you'll lose weight but if you have low protein it's losing muscle

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Yes&No. You’ll lose weight regardless, but weight isn’t the only thing

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You will loose “weight” but a balanced macro intake helps your body use body fat to make up that deficit. You can be in a deficit by only eating ice cream and candy but you will probably loose muscle and other tissues that contain the compounds your body requires to live and regenerate other cells.

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