You should not use L-5-MTHF Ca if you are allergic to it.
L-5-MTHF Ca has a very wide range of applications,but to make sure L-5-MTHF Ca is safe for you, tell your doctor if you have: seizures or epilepsy; a history of vitamin B12 deficiency or pernicious anemia; or a history of bipolar disorder (manic depression). Tell your doctor if you are pregnant or breast-feeding. Your dose needs may be different during pregnancy or while you are nursing.