Vitamin B12 for PPI users: oral vs sublingual
Treatments studied
Part of Hormones & metabolism clinical trials.
This trial compares two ways to take vitamin B12 (a pill you swallow versus a tablet that dissolves under your tongue) to see which works better for people who have low B12 levels after using acid-reducing medicines called PPIs.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are between 18 and 70 years old.
- You have been taking a proton pump inhibitor (PPI) medicine for 1 to 6 months.
- Your vitamin B12 level is between 150 and 300 pg/mL.
- You have not taken any vitamin B12 supplements before.
- You do not have a long-term bowel disease like Crohn's or celiac disease.
- You have not had stomach or weight-loss surgery.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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