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Abstract
Maintaining adequate daily protein intake is important to maintain muscle mass throughout the lifespan. In this regard, the overnight period has been identified as a window of opportunity to increase protein intake in the elderly. However, it is unknown whether pre-sleep protein intake affects next-morning appetite and, consequently, protein intake. Therefore, the purpose of the current study was to investigate the effects of a pre-sleep protein drink on next-morning appetite, energy intake and metabolism. Twelve older individuals (eight males, four females; age: 71.3 ± 4.2 years) took part in a single-blind randomised cross-over study. After a standardised dinner, participants consumed either a 40-g protein drink, isocaloric maltodextrin drink, or placebo water control before bedtime. Next-morning appetite, energy intake, resting metabolic rate (RMR), respiratory exchange rate (RER), and plasma acylated ghrelin, leptin, glucose, and insulin concentrations were assessed. No between-group differences were observed for appetite and energy intake at breakfast. Furthermore, RMR, RER, and assessed blood markers were not significantly different between any of the treatment groups. Pre-sleep protein intake does not affect next-morning appetite and energy intake and is therefore a viable strategy to increase daily protein intake in an older population.
Original language | English |
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Article number | 90 |
Journal | Nutrients |
Volume | 12 |
Issue number | 1 |
DOIs | |
Publication status | Published - 28 Dec 2019 |
Keywords
- ageing
- pre-sleep protein
- sarcopenia
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Dive into the research topics of 'Pre-Sleep Casein Protein Ingestion Does Not Impact Next-Day Appetite, Energy Intake and Metabolism in Older Individuals'. Together they form a unique fingerprint.Projects
- 1 Finished
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Exercise 'prehabilitation': A novel intervention to protect against disuse-induced muscle atrophy and sarcopenia in the old
Breen, L. & Rushton, A.
Biotechnology & Biological Sciences Research Council
1/09/16 → 30/11/19
Project: Research Councils