• Ana T Limon-Miro and Andrea Garcia-Padilla.
• Department of Chemical and Biological Sciences, Universidad de Sonora, Hermosillo, Son., Mexico.
• Rev Invest Clin. 2020 Nov 23.

BackgroundBody composition assessment in breast cancer survivors (BCSs) is essential to plan feasible dietary strategies for sarcopenic obesity prevention.ObjectiveStudying the effect of an individualized nutrition intervention according to socioeconomic status and grocery shopping behavior on BCSs relative fat mass (RFM).MethodsBCSs attending an academic medical center were studied; participants saved all 1-week supermarket tickets and answered a grocery shopping consumer preference survey. RFM was assessed at baseline and after the 3-month nutrition intervention. Nutrition plans were based on the dynamic macronutrient meal-equivalent menu method (MEM) and dietary guidelines for BCSs.ResultsThirty-three BCSs completed the study and 91% of them presented obesity or overweight at baseline. After the intervention, BCSs lost 1.6 kg (p < 0.01) of body weight, 1.8 kg (p < 0.01) of RFM, 3 cm (p < 0.01) of waist circumference, and 2.4 cm (p < 0.01) of hip circumference, while no changes were observed in fat-free mass (p = 0.6) and arm bone-free muscle area (p = 0.7).ConclusionsRFM and body weight in breast cancer survivors decreased after an individualized nutrition intervention according to socioeconomic status and grocery shopping consumer behavior. Based on the participants' food preferences and consumer behavior, plant-based protein diet plans cost less than the animal-based protein diet plans.

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