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# Protein, amino acid supplements prevent muscle loss during a weight loss intervention
- URL: https://www.foodconsumer.org/weight_loss_muscle_loass_0330150120/
- Published: 2015-03-30T14:03:00.000Z
- Updated: 2026-09-15T14:32:26.000Z
- Description: In 80 obese older adults, a supplement enriched with whey protein, leucine and vitamin D helped prevent muscle loss during a 13-week weight loss program, suggesting protein or branched-chain amino acid supplements may protect muscle while dieting.
- Author: Food Consumer
- Tags: Supplements, Nutrition, #vivvo-import

Inadequate weight loss activities may result in muscle mass loss, which is undesired. A new study suggests that taking whey protein supplements or branched chain amino acids like valine, leucine and isoleucine supplements may help prevent muscle loss during a physical or dietary intervention intended to induce weight loss.

The study of 80 obese older adults showed a whey protein- leucine- and vitamin D- enriched supplement containing with other macro and micronutrients helped prevent muscle loss during a 13-week weight loss program.

[http://ajcn.nutrition.org/content/early/2014/11/26/ajcn.114.090290.short](http://ajcn.nutrition.org/content/early/2014/11/26/ajcn.114.090290.short?ref=foodconsumer.org)