Effects of pre-meal whey protein consumption on acute food intake and energy balance over a 48-hour period

David G. King*, Daniel Peart, David Broom, Garry A. Tew

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The effects of pre-meal whey protein consumption on acute food intake and subsequent energy balance measured over 48-h was investigated in males of healthy-weight (HW) or living with overweight and obesity (OV/OB). On two separate trial days, following a controlled breakfast (09:00) and lunch (13:00), 12 HW and 12 OV/OB males consumed either whey protein (20 g) or flavoured water beverages (16:40), and ad libitum test meal (17:00). A controlled 48-h assessment of energy intake and expenditure was used to determine any compensatory behaviour. Test meal energy intake reduced 15.9 % in HW (P = 0.003), and 17.8 % in OV/OB (P = 0.005) following whey protein, compared to placebo. We report no between-group differences and no changes in compensatory behaviour. A small dose of whey protein reduces energy intake at the next meal, without upregulating compensatory behaviours in both HW and OV/OB males. However, chronic effects on body composition and weight loss remain to be elucidated.
Original languageEnglish
Article number105308
Number of pages6
JournalJournal of Functional Foods
Volume99
Early online date27 Oct 2022
DOIs
Publication statusPublished - 1 Dec 2022

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