Originally Posted by mrsD

Many of our foods are enriched with folate.

It is not necessary to take folate with B12, unless you are anemic, or have blood work showing it is low. But in the US today, low folate is less common because of food enrichment.

However, taking folate without knowing if B12 is low, can be
serious. This masks the need for B12 and can result in nerve damage over time. This is one reason why folic acid at 1mg or above requires an RX in the US.