High-Protein or Low Glycemic Index Diet—Which Energy-Restricted Diet Is Better to Start a Weight Loss Program?
Open accessAbstract
Background: To date, no crossover studies have compared the effects of high-protein (HP) and low glycemic index (LGI) diets applied as starting energy-restricted diets. Methods: Thirty-five overweight or obese volunteers with sedentary lifestyles aged 41.4 ± 11.0 years, with body mass index (BMI) of 33.6 ± 4.2 kg/m2, without diabetes, completed an 8-week randomized crossover study of an energy-restricted diet (reduction of 30%; approximately 600 kcal/day). The anthropometric parameters, body composition, 24 h blood pressure, and basic metabolic profile were measured at baseline and after completing the two 4-week diets; i.e., the HP (protein at 30% of the daily energy intake) or LGI diet, followed by the opposite diet. All subjects maintained food diaries and attended six counselling sessions with a clinical dietitian. Results: The final weight loss was not significantly different when the HP diet was used first but was associated with a greater loss of fat mass: 4.6 kg (5.8; 3.0 kg) vs. 2.2 (4.5; 0.8); p < 0.025, preserved muscle mass, and reduced LDL-cholesterol. Conclusions: A short-term HP diet applied as a jump-start diet appeared to be more beneficial than an LGI diet, as indicated by the greater fat mass loss, preservation of muscle mass, and better effects on the lipid profile.
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Environmental factors such as availability of high-calorie foods and sedentary lifestyles may present challenges to maintaining a healthy weight.
“Environmental factors, such as the availability of high-calorie foods and sedentary lifestyles, may also present challenges to maintaining a healthy weight [101].”
From Comparing caloric restriction regimens for effective weight management in adults: a systematic review and network meta-analysis (2024) · cites this paper as [101]
The Introduction discusses calorie restriction and diet composition, while Methods §2.1 describes participants as having sedentary lifestyles. Neither passage says that the availability of high-calorie foods or sedentary lifestyles presents a challenge to maintaining a healthy weight. Searches for food availability, environmental factors, and sedentary lifestyles found no passage making that point. (LLM, conf=0.70)
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“2 g/kg is more beneficial for the body composition (the effect of fat-free mass), improved metabolic profile, sustained resting energy expenditure, and weight maintenance [13,37].”
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“One of the mechanisms proposed to be responsible for the weight-loss-promoting effect of HP diets is an increase in diet-induced thermogenesis [14].”
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Sorted by citations
Huang, J., Li, Y., Chen, M., Cai, Z., Cai, Z., & Jiang, Z. (2024) · International Journal of Behavioral Nutrition and Physical Activity · doi:10.1186/s12966-024-01657-9 · Cited by 25 · see citing works
“Environmental factors, such as the availability of high-calorie foods and sedentary lifestyles, may also present challenges to maintaining a healthy weight [101].”
Background
- Authors
- Waliłko, E., Napierała, M., Bryśkiewicz, M., Fronczyk, A., & Majkowska, L.
- Affiliations
- Pomeranian Medical University (PL)
- Corresponding author
- Majkowska, Liliana
- Venue
- Nutrients
- Publisher
- MDPI AG
- Published
- 2021-03-26
- Volume
- 13
- Issue
- 4
- Pages
- 1086
- ISSN
- 2072-6643 (ISSN-L)
- PMC
- PMC8066419
- OpenAlex
- W3145322769
- Cited by
- 16
- References
- 8
- Citations by year
- 2026: 2 · 2025: 3 · 2024: 5 · 2023: 2 · 2022: 2 · 2021: 2
- FWCI
- 1.73
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Nutrients (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Topics
- Health Sciences › Medicine › Physiology › Diet and metabolism studies
- Health Sciences › Medicine › Physiology › Dietary Effects on Health
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
- Keywords
- high-protein diet, low glycemic index diet, hypocaloric diet, weight loss, fat loss, muscle mass preservation, LDL cholesterol, lipid profile, overweight and obesity, sedentary lifestyle, dietary intervention
- MeSH terms
- Diet, High-Protein, Adult, Body Composition, Diet, Reducing, Humans, Middle Aged, Weight Loss, Cross-Over Studies, Caloric Restriction, Glycemic Index, Overweight
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