clean eating
US /kliːn ˈiːtɪŋ/
UK /kliːn ˈiːtɪŋ/

1.
a lifestyle and dietary approach that focuses on consuming whole, unprocessed foods and avoiding artificial ingredients, refined sugars, and unhealthy fats
:
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She adopted clean eating to improve her overall health and energy levels.
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Many people find that clean eating helps them manage their weight more effectively.