After how many cups of coffee will you start to feel bad? - Walla! health. The guidelines of the Ministries of Health around the world suggest a maximum daily caffeine intake of 400 mg.
Pregnant women are recommended to consume 200 mg. A small bar of dark chocolate (about 100 grams) has about the same amount of caffeine as one cup of coffee. A study published in 2021 found that people who drank six or more glasses a day had a 53 percent higher risk of developing dementia.