B Vitamin Supplements
Also see our Top Pick among prenatal vitamins, which provides adequate (but not too much) folic acid, in our Multivitamin and Multiminerals Supplements Review.
CL has long warned that energy drinks and shots often contain large amounts of B6 and other B vitamins.
Other supplements which should or should not be used with these medications are discussed in the Proton Pump Inhibitors article, which is part of the extensive Drug Interactions section of our website (where you can look up interactions for other drugs you may be taking.)
For more details, see the updated reviews of B Vitamin Supplements & Energy Drinks and Protein Powders, as some of these products contain L-carnitine. The Acetyl-L-Carnitine Supplements review has also been updated because acetyl-L-carnitine is chemically similar to L-carnitine, suggesting a potential concern.