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Purpose <p> The health impact of dairy products is debated due to their high saturated fatty acid (SFA) content. Emerging evidence suggests that dairy products intake may reduce cardiovascular disease risk, despite their SFA-rich lipids, leading to the “dairy food matrix” concept. Nevertheless, the impact of lipid and SFA intake from whole dairy sources on cardio-metabolic health remains poorly understood. This study investigated the cross-sectional association of SFA intake from various types of dairy products and dairy fat sources with cardio-metabolic outcomes.</p> Methods <p> Data from 1619 participants of the STANISLAS cohort, who underwent extensive metabolic and cardiovascular phenotyping and completed a 133-item food frequency questionnaire covering dairy products and other dairy fat sources, were used. Associations of total dietary lipid, total dietary SFA, and SFA intakes from dairy products and dairy fat sources with metabolic outcomes (metabolic syndrome, hyperlipidemia, type 2 diabetes, prediabetes) and subclinical cardiovascular damages (i.e., arterial stiffness, atherosclerosis, left ventricular mass, diastolic dysfunction) were assessed using mixed models.</p> Results <p> Median [interquartile range] lipid consumption via dairy products and dairy fat sources was 23 [15, 34] g/day. Higher total dietary lipid intake was associated with lower arterial stiffness (exp(β) [95%CI]: 0.96 [0.92–0.99]). Total dietary SFA and SFA from dairy products were both inversely associated with left ventricular mass (exp(β) [95%CI]: 0.85 [0.74–0.98], and 0.99 [0.99–0.99], respectively). SFA from dairy fat sources, particularly from Butter, were inversely associated with hyperlipidemia (OR [95%CI]: 0.96 [0.93–0.99] for hypertriglyceridemia, 0.96 (0.93–0.99) for elevated LDLc, 0.95 (0.92–0.98) for elevated non-HDLc, 0.93 (0.89–0.96) for elevated Apolipoprotein B). SFA from Yogurt was inversely associated with Apolipoprotein B (OR [95%CI]: 0.92 [0.86–0.98]).</p> Conclusion <p> Examining the specific diary matrix subtypes, our results suggest altogether neutral to beneficial associations of SFA from dairy products and dairy fat sources with cardio-metabolic health.</p>

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Saturated fat from dairy sources and cardio-metabolic health: insights from the STANISLAS cohort

  • 期刊论文

  • 发表日期：

    2025年8月30日

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  • Sandra Wagner,
  • Nicolas Girerd,
  • Claire Lemonnier,
  • Kofivi Yena,
  • Zohra Lamiral,
  • Kevin Duarte,
  • Thomas Merkling,
  • Ludovic Merckle,
  • Erwan Bozec,
  • Anestis Dougkas,
  • Axelle Hoge,
  • Michèle Guillaume,
  • Patrick Rossignol,
  • Julie-Anne Nazare,
  • Cécile Vors,
  • Jean-Marc Boivin,
  • Marie-Caroline Michalski

摘要

Purpose

The health impact of dairy products is debated due to their high saturated fatty acid (SFA) content. Emerging evidence suggests that dairy products intake may reduce cardiovascular disease risk, despite their SFA-rich lipids, leading to the “dairy food matrix” concept. Nevertheless, the impact of lipid and SFA intake from whole dairy sources on cardio-metabolic health remains poorly understood. This study investigated the cross-sectional association of SFA intake from various types of dairy products and dairy fat sources with cardio-metabolic outcomes.

Methods

Data from 1619 participants of the STANISLAS cohort, who underwent extensive metabolic and cardiovascular phenotyping and completed a 133-item food frequency questionnaire covering dairy products and other dairy fat sources, were used. Associations of total dietary lipid, total dietary SFA, and SFA intakes from dairy products and dairy fat sources with metabolic outcomes (metabolic syndrome, hyperlipidemia, type 2 diabetes, prediabetes) and subclinical cardiovascular damages (i.e., arterial stiffness, atherosclerosis, left ventricular mass, diastolic dysfunction) were assessed using mixed models.

Results

Median [interquartile range] lipid consumption via dairy products and dairy fat sources was 23 [15, 34] g/day. Higher total dietary lipid intake was associated with lower arterial stiffness (exp(β) [95%CI]: 0.96 [0.92–0.99]). Total dietary SFA and SFA from dairy products were both inversely associated with left ventricular mass (exp(β) [95%CI]: 0.85 [0.74–0.98], and 0.99 [0.99–0.99], respectively). SFA from dairy fat sources, particularly from Butter, were inversely associated with hyperlipidemia (OR [95%CI]: 0.96 [0.93–0.99] for hypertriglyceridemia, 0.96 (0.93–0.99) for elevated LDLc, 0.95 (0.92–0.98) for elevated non-HDLc, 0.93 (0.89–0.96) for elevated Apolipoprotein B). SFA from Yogurt was inversely associated with Apolipoprotein B (OR [95%CI]: 0.92 [0.86–0.98]).

Conclusion

Examining the specific diary matrix subtypes, our results suggest altogether neutral to beneficial associations of SFA from dairy products and dairy fat sources with cardio-metabolic health.