The short answer is maybe—but it’s more about how caffeine affects you than your age number.
After 45, a few body changes can make caffeine hit differently:
Why it might be worth cutting back
Why you might not need to
A good rule of thumb
Instead of “reduce because of age,” try:
Cap it at ~200 mg/day (about 2 small coffees)*
No caffeine after early afternoon (1–2 pm is a safe cutoff)
Pay attention to sleep, heart rate, anxiety, and digestion
Make sure you’re getting enough calcium + vitamin D
Bottom line:
If caffeine still loves you back, you don’t need to break up. If it’s stealing your sleep, making your heart race, or leaving you edgy—it’s probably time to scale down or shift earlier in the day.
*It is recommended not to exceed a daily intake of 400 mg of caffeine from all sources (200 mg for pregnant or breast-feeding women). A single dose of 200 mg caffeine should not be exceeded. (EFSA Journal 2015;13(5):4102. 2015)