In people with recurrent canker sores (also known as aphthous stomatitis), a daily dose of vitamin B-12 was found to reduce the number and duration of outbreaks, as well as decrease pain, according to one study. For details, including dose, and our tests of B-12 supplements, see the B Vitamins Supplements Review >>
(There is also some evidence that the amino acid L-lysine
may help to prevent canker sores and reduce healing time.)
For information about other proposed treatments, see the Encyclopedia article about Canker Sores
See these related CL Answers:
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Can taking too much vitamin B-12 be dangerous? The label on my B-complex states it contains 50,000% the Daily Value!
This CL Answer initially posted on 11/29/2016.
Last updated 7/25/2017.