My suggestion does not involve vitamins but rather clear, fresh mineral water - without gas, if you can drink this.
After stopping to drink coffee, it may take a while before your body gets used to it.
Sometimes a Magnesium supplement helps me.
The head scalp or neck headaches can be caused by minor problems like eyestrain lack of coffee or neck headaches can have harmful side effects so it is pain in the head scalp or more information available at.