I just got my blood test back and they said my B12 is too low!?! My doctor said "Tell me your not vegan...please."

Well, I'm NOT, I'm not even veggie yet...what gives? Is there anything besides the supplements anyone uses to raise their B12?

This is really frustrating and I drink green smoothies regularly and eat a very balanced diet. My raw is up to and around 60-70% at this point.

Raw makes complete sense to me, why is my body flipping out?

PS: Someone told me massive stress can lower it and that fit's. Could that be it?