Introduction: Gestational diabetes mellitus (GDM) affects between 5 and 40% of pregnant women. Recently different interventions with nutritional supplements have been evaluated for prevention of GDM. Aim: To perform a synthesis of the evidence on the efficacy of nutritional supplements (myo-inositol, probiotics, and vitamin D) in the prevention of GDM. Methods: A systematic search in PubMed and Cochrane library was performed, including systematic reviews of randomized clinical trials (RCTs), published in English or Spanish until May 2020, using the keywords: “prevention”, “gestational diabe-tes”, “hyperglycemia and pregnancy”, “supplementation”, “probiotics”, “myo-inositol” and “vitamin D”. Results: 10 systematic reviews that met the inclusion criteria were analyzed. Myo-inositol supplementation compared to placebo decreased the incidence of GDM (RR: 0.44 [0.27-0.87]; five RCTs), low quality of evidence. Although the supplementation with vitamin D or probiotics during pregnancy could reduce the incidence of GDM the evidence is limited. Conclusions: Myo-inositol supplementation is effective for prevention of GDM in high-risk women. Supplementation with vitamin D or probiotics prob-ably decreases the incidence of GDM.
CITATION STYLE
Reyes-Muñoz, E., Sosa, S. E. Y., Flores-Robles, C. M., Arce-Sánchez, L., Martínez-Cruz, N., & Gutiérrez-Castrellón, P. (2020). Nutritional supplements in the prevention of gestational diabetes mellitus: Evidence-based lessons learned. Gaceta Medica de Mexico, 156, S43–S50. https://doi.org/10.24875/GMM.M20000437
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