Coffee, tea, and water affect blood pressure in different ways. While coffee may cause a short-term increase, tea’s antioxidants can help lower it, and drinking enough water and staying hydrated supports healthy levels overall.

Coffee: Temporarily Increases Blood Pressure

Coffee can temporarily spike your blood pressure , whether you have existing hypertension (high blood pressure) or not. The caffeine in coffee stimulates the nervous system. Your body responds by narrowing the arteries and veins, increasing your heart rate and blood pressure.

However, coffee doesn't spike your blood pressure long-term, so drinking around 400 milligrams (mg) or two to three cups of caffeinated coffee daily is typically safe for most people.

In fact, drinking two or three cups of coffee daily may lower

See Full Page