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Nutrients 2018, 10(1), 108; https://doi.org/10.3390/nu10010108

Micronutrient Gaps in Three Commercial Weight-Loss Diet Plans

1
Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA
2
Nature’s Bounty Co., Ronkonkoma, NY 11779, USA
3
Dell Pediatric Research Institute, Dell Medical School, University of Texas at Austin TX, Austin, TX 78723, USA
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 22 November 2017 / Revised: 11 January 2018 / Accepted: 16 January 2018 / Published: 20 January 2018
View Full-Text   |   Download PDF [237 KB, uploaded 20 January 2018]

Abstract

Weight-loss diets restrict intakes of energy and macronutrients but overlook micronutrient profiles. Commercial diet plans may provide insufficient micronutrients. We analyzed nutrient profiles of three plans and compared their micronutrient sufficiency to Dietary Reference Intakes (DRIs) for male U.S. adults. Hypocaloric vegan (Eat to Live-Vegan, Aggressive Weight Loss; ETL-VAWL), high-animal-protein low-carbohydrate (Fast Metabolism Diet; FMD) and weight maintenance (Eat, Drink and Be Healthy; EDH) diets were evaluated. Seven single-day menus were sampled per diet (n = 21 menus, 7 menus/diet) and analyzed for 20 micronutrients with the online nutrient tracker CRON-O-Meter. Without adjustment for energy intake, the ETL-VAWL diet failed to provide 90% of recommended amounts for B12, B3, D, E, calcium, selenium and zinc. The FMD diet was low (<90% DRI) in B1, D, E, calcium, magnesium and potassium. The EDH diet met >90% DRIs for all but vitamin D, calcium and potassium. Several micronutrients remained inadequate after adjustment to 2000 kcal/day: vitamin B12 in ETL-VAWL, calcium in FMD and EDH and vitamin D in all diets. Consistent with previous work, micronutrient deficits are prevalent in weight-loss diet plans. Special attention to micronutrient rich foods is required to reduce risk of micronutrient deficiency in design of commercial diets. View Full-Text
Keywords: weight-loss diets; nutrient density; micronutrient gaps weight-loss diets; nutrient density; micronutrient gaps
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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G. Engel, M.; J. Kern, H.; Brenna, J.T.; H. Mitmesser, S. Micronutrient Gaps in Three Commercial Weight-Loss Diet Plans. Nutrients 2018, 10, 108.

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