Research summary · Nutrition and energy
ISSN review of dietary approaches to weight reduction
This society position stand reviews energy restriction, fasting patterns, macronutrient composition and preservation of lean tissue. Its literature search extended to August 2026 and prioritised systematic reviews and randomized trials; it did not recruit a new participant sample.
- Publication year
- 2026
- First published online
- Publication type
- Scientific society position stand and critical literature review
- Journal
- Journal of the International Society of Sports Nutrition
- Population / context
- Physically active and athletic adults
What the publication reports
The authors found no consistent general advantage of intermittent over continuous restriction and emphasised resistance training, sufficient protein and sustainable adherence. More aggressive diets can increase lean-tissue and nutrient-intake concerns.
Limits and interpretation
This is a consensus interpretation, not a new trial or pooled effect estimate. Much long-term evidence comes from clinical populations rather than lean athletes. Authors report industry relationships. Acute dehydration-based weight cutting is explicitly outside its scope.
Read the source
Consult the original record for the full author list, methods, references, funding and competing-interest disclosures.
International Society of Sports Nutrition position stand: diets for body weight reduction
Original publication / indexed recordPMID: 42867412DOI: 10.1080/15502783.2026.2740266Full text at the sourceReader discussion
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