Rational Use of Protein Supplements in the Elderly-Relevance of Gastrointestinal Mechanisms

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dc.citation.issue4
dc.citation.volume13
dc.contributor.authorChapman I
dc.contributor.authorOberoi A
dc.contributor.authorGiezenaar C
dc.contributor.authorSoenen S
dc.date.available2021-04
dc.date.available2021-04-01
dc.date.issued2021-04-08
dc.description.abstractProtein supplements are increasingly used by older people to maintain nutrition and prevent or treat loss of muscle function. Daily protein requirements in older people are in the range of 1.2 gm/kg/day or higher. Many older adults do not consume this much protein and are likely to benefit from higher consumption. Protein supplements are probably best taken twice daily, if possible soon after exercise, in doses that achieve protein intakes of 30 gm or more per episode. It is probably not important to give these supplements between meals, as we have shown no suppressive effects of 30 gm whey drinks, and little if any suppression of 70 gm given to older subjects at varying time intervals from meals. Many gastrointestinal mechanisms controlling food intake change with age, but their contributions to changes in responses to protein are not yet well understood. There may be benefits in giving the supplement with rather than between meals, to achieve protein intakes above the effective anabolic threshold with lower supplement doses, and have favourable effects on food-induced blood glucose increases in older people with, or at risk of developing, type 2 diabetes mellitus; combined protein and glucose drinks lower blood glucose compared with glucose alone in older people.
dc.description.publication-statusPublished
dc.identifierhttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000643345600001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=c5bb3b2499afac691c2e3c1a83ef6fef
dc.identifierARTN 1227
dc.identifier.citationNUTRIENTS, 2021, 13 (4)
dc.identifier.doi10.3390/nu13041227
dc.identifier.eissn2072-6643
dc.identifier.elements-id445492
dc.identifier.harvestedMassey_Dark
dc.publisherMDPI (Basel, Switzerland)
dc.relation.isPartOfNUTRIENTS
dc.rights(c) The Author/s CC BY
dc.subjectaging
dc.subjectprotein
dc.subjectwhey
dc.subjectanorexia
dc.subjectappetite
dc.subjectsupplements
dc.subjectsarcopenia
dc.subject.anzsrc0908 Food Sciences
dc.subject.anzsrc1111 Nutrition and Dietetics
dc.titleRational Use of Protein Supplements in the Elderly-Relevance of Gastrointestinal Mechanisms
dc.typeJournal article
pubs.notesNot known
pubs.organisational-group/Massey University
pubs.organisational-group/Massey University/College of Sciences
pubs.organisational-group/Massey University/College of Sciences/School of Food and Advanced Technology
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