Myo-Inositol, Probiotics, and Micronutrient Supplementation From Preconception for Glycemia in Pregnancy: NiPPeR International Multicenter Double-Blind Randomized Controlled Trial
This RCT (n= 859 in control group/870 in intervention group) found supplementation with myo-inositol, probiotics, and micronutrients preconception and in pregnancy did not lower gestational glycaemia but did reduce preterm birth.
Source:
Diabetes Care