Michael Mosley shares the diet technique to promote fat burning – 'it works better'

“As your body prefers sugar, it chooses to burn the 500mg of sugar you have stored (as glycogen) before anything else.

“Cutting your food intake to 800-1,000 calories a day, based on a relatively low-carb, Mediterranean-style diet, means you will swiftly burn through the glycogen and start fat burning.”

Research published in the BMJ agreed with this theory.

Participants in one study ate 800 calories a day and lost more than three times the weight of anther control group on a different plan.

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