 [ Symptoms ] what is the recommended dose of folic acid while planning for pregnancy [ Disease ] there is not a lot of information about limbarax keep in mind that herbal products are not regulated by the fda leaving plenty of room for consumers to believe a product works without knowing about the ingredients warnings side effects and dosages i would be cautious about using this product i would also encourage you to seek medical attention about the lower arm tremors to make sure nothing more complicated is going on