We also address the upstream causes: thyroid optimization, stress management, and meal spacing (the MMC only activates during fasting periods, which is why constant snacking is counterproductive for SIBO patients)
2 Metformin (an antidiabetic drug) and nitric oxide have also been shown to decrease B12
But that doesnt mean its proven, regulated, or appropriate for what youre trying to treat, and these compounds vary wildly in quality, evidence, and intended use
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Clinical Update 2/23/2019 Allergic Reactions to Protein Powder Be aware that allergic reactions to protein powders have recently been reported in people not normally allergic the protein sources of their supplements