I often take a couple of Serpent RDAs to work and get through a tankful easily on a comfort break. Before work at home I probably get through 10ml and in the evenings 10 to 20ml.
If 2ml a day satisfies your cravings stick with it, everyone's needs (and pockets) are different.
If 2ml a day satisfies your cravings stick with it, everyone's needs (and pockets) are different.