Randomized open-label pilot study of the influence of probiotics and the gut microbiome on toxic metal levels in Tanzanian pregnant women and school children.

After quantification by high-resolution sector field inductively coupled plasma mass spectrometry (HR-SF-ICP-MS), no statistically significant differences were detected in blood metal levels in SAC receiving the probiotic or milk control, although we noted that there was a weak trend of reduced blood levels of lead and arsenic ( Table 4 ).

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