• Angela M Jaramillo-Ospina, Rosario Toro-Campos, Teresa Murguía-Peniche, Jennifer L Wampler, Steven S Wu, Carol L Berseth, and Ricardo Uauy.
• Institute of Nutrition and Food Technology (INTA), University of Chile, Santiago, Chile.
• Nutrition. 2022 May 1; 97: 111599.

ObjectiveThe aim of this study was to assess the effects of an experimental formula (EF) with added whey protein-lipid concentrate (5 g/L; source of bovine milk fat globule membrane [bMFGM]) on growth, body composition, and safety through 24 mo of age in term infants.MethodsThis was a double-blinded, randomized controlled trial conducted in Santiago, Chile. Infants were enrolled before 120 d and randomized to receive standard cow's milk-based formula (SF) or EF through the first year of life. Breastfed infants were the reference (HM). Growth (weight-for-age [WAZ], length-for-age [LAZ], BMI-for-age [BAZ], headcircumference-for-age [HCZ] z-scores); body composition (fat mass [FM] and fat-free mass, percentage body fat [%BF]); and adverse events through day 730 were recorded. Outcome trajectories were analyzed using a single generalized estimating equation testing the interaction between group and visit.ResultsWe recruited 582 infants (HM = 235; SF = 174; EF = 173); 478 (>80%) completed the study. At baseline, only WAZ was different between the formula groups (0.14 lower in EF versus SF group, P = 0.035). WAZ, LAZ, and BAZ trajectories were higher from baseline to days 365 and 730 in EF or SF compared with HM (all P < 0.05). No differences in changes in body composition were observed between the formula groups. For EF versus HM, %BF was lower at day 180; however, this difference reversed from day 365. Fat-free mass was higher in formula groups compared with HM at all time points. No group difference in adverse event incidence rate was detected.ConclusionDuring the first 2 y of life, infant formula with added bMFGM supports typical growth and safety compared with a standard formula.Copyright © 2022 The Author(s). Published by Elsevier Inc. All rights reserved.

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