Submitted by orange-robin t3_10nemof in askscience
exphysed t1_j6ap4f1 wrote
Reply to comment by Ausoge in What does it actually mean to “burn fat” during exercise? by orange-robin
Your body saves carbs as much as possible. If it can use fat, it will. Think of carbs as only being used if your body has to - to go fast (or in the brain)
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