While this solution may at first seem counterintuitive, drinking a darker roast of coffee means less chance of dizziness, nausea, or any other negative side effects. The longer beans roast, the less caffeine is present. As beans roast and gain a glossiness, this indicates the oils and caffeine have moved toward the skin, which means a lower concentration of caffeine overall.
(Check out our 7 best dark roast coffees here.)