Whey protein drink ingestion before breakfast suppressed energy intake at breakfast and lunch, but not during dinner, and was less suppressed in healthy older than younger men

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dc.contributor.authorOberoi, A.
dc.contributor.authorGiezenaar, C.
dc.contributor.authorClames, A.
dc.contributor.authorBøhler, K.
dc.contributor.authorLange, K.
dc.contributor.authorHorowitz, M.
dc.contributor.authorJones, K.L.
dc.contributor.authorChapman, I.
dc.contributor.authorSoenen, S.
dc.date.issued2020
dc.description.abstractAgeing is associated with changes in feeding behavior. We have reported that there is suppression of energy intake three hours after whey protein drink ingestion in young, but not older, men. This study aimed to determine these effects over a time period of 9 h. Fifteen younger (27 ± 1 years, 25.8 ± 0.7 kg/m²) and 15 older (75 ± 2 years, 26.6 ± 0.8 kg/m²) healthy men were studied on three occasions on which they received, in a randomized order, a 30 g/120 kcal, 70 g/280 kcal whey-protein, or control (∼2 kcal) drink. Ad-libitum energy intake (sum of breakfast, lunch, and dinner) was suppressed in a protein load responsive fashion (P = 0.001). Suppression was minimal at breakfast, substantial at lunch (∼-16%, P = 0.001), no longer present by dinner, and was less in older than younger men (-3 ± 4% vs. -8 ±4%, P = 0.027). Cumulative protein intake was increased in the younger and older men (+20% and +42%, P < 0.001). Visual analogue scale ratings of fullness were higher and desire to eat and prospective food consumption were lower after protein vs. control, and these effects were smaller in older vs. younger men (interaction effect P < 0.05). These findings support the use of whey-protein drink supplements in older people who aim to increase their protein intake without decreasing their overall energy intake.
dc.description.statementofresponsibilityAvneet Oberoi, Caroline Giezenaar, Alina Clames, Kristine Bøhler, Kylie Lange, Michael Horowitz, Karen L. Jones, Ian Chapman, and Stijn Soenen
dc.identifier.citationNutrients, 2020; 12(11):3318-1-3318-15
dc.identifier.doi10.3390/nu12113318
dc.identifier.issn2072-6643
dc.identifier.issn2072-6643
dc.identifier.orcidOberoi, A. [0000-0003-0517-8257]
dc.identifier.orcidGiezenaar, C. [0000-0001-5612-1918]
dc.identifier.orcidLange, K. [0000-0003-3814-8513]
dc.identifier.orcidHorowitz, M. [0000-0002-0942-0306]
dc.identifier.orcidJones, K.L. [0000-0002-1155-5816]
dc.identifier.orcidSoenen, S. [0000-0002-0196-128X]
dc.identifier.urihttps://hdl.handle.net/2440/145881
dc.language.isoen
dc.publisherMDPI AG
dc.rights© 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
dc.source.urihttps://doi.org/10.3390/nu12113318
dc.subjectwhey protein; energy intake; gastric emptying; appetite
dc.subject.meshHumans
dc.subject.meshAppetite Depressants
dc.subject.meshAppetite
dc.subject.meshAge Factors
dc.subject.meshEnergy Intake
dc.subject.meshTime Factors
dc.subject.meshBeverages
dc.subject.meshDietary Supplements
dc.subject.meshAdult
dc.subject.meshAged
dc.subject.meshMale
dc.subject.meshMeals
dc.subject.meshBreakfast
dc.subject.meshLunch
dc.subject.meshHealthy Volunteers
dc.subject.meshWhey Proteins
dc.titleWhey protein drink ingestion before breakfast suppressed energy intake at breakfast and lunch, but not during dinner, and was less suppressed in healthy older than younger men
dc.typeJournal article
pubs.publication-statusPublished

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