Cold Feet & Red Meat

Now, after my taking red meat regularly for over half year, my "cold feet" symptom pretty much disappeared. And these couple of days for the purpose of detoxification I cut off red meat again from my meals, I found my feet started feeling cold again. So I learned this connection almost for certain, that red meat was a necessary ingredient of my meals because they have something to do with my blood circulation or anemia (if cold feet was due such causes).