. Vaginal probiotics, their makers claim, could be a simple and effective alternative, adding “good” microbes and strengthening the ecosystem before or during an infection.They might be in the future. But the pills and suppositories available today have not yet been proven to work.
. That’s because the bacteria would have to make the treacherous journey down through the gut, out the anus and then crawl their way over to the vagina. Some, but not all, of the suppositories available contain the right strains. But a larger issue with both oral and suppository probiotics , is that none of these products have undergone the rigorous safety and efficacy testing required for Food and Drug Administration approval. The studies that do exist generally have small sample sizes, lack control groups and are not blinded or randomized.