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How much coffee is too much coffee for your health?
The Star • • health
Key Points:
- The American Heart Association (AHA) states that up to five cups of coffee a day, or 400mg of caffeine, is safe for most people and may reduce the risk of heart failure, heart disease, and stroke.
- Consuming coffee within this limit may also promote better liver health and potentially contribute to a longer life due to its antioxidant and anti-inflammatory compounds.
- Exceeding 400mg of caffeine daily increases the risk of high blood pressure and heart failure, and high doses found in energy drinks can be harmful to heart health.
- Researchers note that most studies on caffeine are observational, making it difficult to isolate caffeine's effects from other ingredients commonly added to coffee.
- Studies from the UK and China support moderate coffee intake—around three to four cups daily—as beneficial for liver and cardiovascular health.
