1 doctor weighed in:

Can low carb diet use your muscle or fat for energy?

1 doctor weighed in
Dr. David Sneid
Internal Medicine - Endocrinology

In brief: All the same

Your body uses mostly carbohydrate for energy, and then some fat is broken down to replenish lost calories if you're losing weight.
Muscle is only broken down in starvation, cancer, severe disease or long-term illness.

In brief: All the same

Your body uses mostly carbohydrate for energy, and then some fat is broken down to replenish lost calories if you're losing weight.
Muscle is only broken down in starvation, cancer, severe disease or long-term illness.
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