The impact and utility of very low-calorie diets: the role of exercise and protein in preserving skeletal muscle mass
Open accessAbstract
Purpose of review: Very low-calorie diets (VLCD) are used as a weight loss intervention, but concerns have been raised about their potential negative impact on lean mass. Here, we review the available evidence regarding the effects of VLCD on lean mass and explore their utility and strategies to mitigate reductions in skeletal muscle. Recent findings: We observed that VLCD, despite their effects on lean mass, may be suitable in certain populations but have a risk in reducing lean mass. The extent of the reduction in lean mass may depend on various factors, such as the duration and degree of energy deficit of the diet, as well as the individual's starting weight and overall health. Summary: VLCD may be a viable option in certain populations; however, priority needs to be given to resistance exercise training, and secondarily to adequate protein intake should be part of this dietary regime to mitigate losing muscle mass.
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- Authors
- Janssen, T. A. H., Van Every, D. W., & Phillips, S. M.
- Affiliations
- McMaster University (CA)
- Corresponding author
- Phillips, Stuart M.
- Venue
- Current Opinion in Clinical Nutrition & Metabolic Care
- Published
- 2023-09-07
- Volume
- 26
- Issue
- 6
- Pages
- 521-527
- ISSN
- 1363-1950 (ISSN-L)
- 1473-6519
- PMC
- PMC10552824
- OpenAlex
- W4386861439
- Cited by
- 33
- References
- 54
- Citations by year
- 2026: 6 · 2025: 13 · 2024: 13 · 2023: 1
- FWCI
- 1.18
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Current Opinion in Clinical Nutrition & Metabolic Care (publishedVersion, cc-by-nc-nd)
- PubMed Central (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Physiology › Diet and metabolism studies
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
- Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
- Keywords
- very low calorie diet, lean body mass, skeletal muscle mass, muscle mass loss, resistance training, protein intake, negative energy balance, weight loss, sarcopenia
- MeSH terms
- Diet, Reducing, Humans, Obesity, Exercise, Muscle, Skeletal, Caloric Restriction
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