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Vegan diet cuts energy density 30%, drives weight loss

8/18/2026

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Summary

Story summary

Researchers in U.S. found adults lost weight on a vegan diet that lowered energy density while eating same amount of food.
In a 16-week trial without calorie targets, the vegan group’s energy density fell about 30 percent, unlike the control.
The vegan arm ate roughly 357 fewer calories daily, yet food weight stayed the same.
Dr. Hana Kahleova said energy-density cuts linked to greater weight loss after adjusting for calorie intake.

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Story summary

Researchers in U.S. found adults lost weight on a vegan diet that lowered energy density while eating same amount of food.
In a 16-week trial without calorie targets, the vegan group’s energy density fell about 30 percent, unlike the control.
The vegan arm ate roughly 357 fewer calories daily, yet food weight stayed the same.
Dr. Hana Kahleova said energy-density cuts linked to greater weight loss after adjusting for calorie intake.