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2 doctors weighed in:

Can the brain break down glucose, fat and protein for energy?

2 doctors weighed in
Dr. Bennett Machanic
Neurology
1 doctor agrees

In brief: General comments

Brain functions primarily on oxygen and glucose metabolism, but can substitute ketone bodies if necessary, and these come from metabolism of triglycerides (medical food Axona).
Brain does not metabolize proteins for energy.

In brief: General comments

Brain functions primarily on oxygen and glucose metabolism, but can substitute ketone bodies if necessary, and these come from metabolism of triglycerides (medical food Axona).
Brain does not metabolize proteins for energy.
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