Coffee is a widely favored beverage across the globe. Aside from making you feel more refreshed and alert, drinking coffee is also believed to enhance focus and concentration. However, if you have high blood pressure (hypertension), it is advisable to limit coffee consumption. Why is that?
Effects of Coffee on Blood Pressure
Individuals with hypertension must carefully monitor their food and drink intake. Foods high in sodium (salt) are among those that should be avoided, as excessive salt can retain fluids in the body, increasing blood volume and pressure.
When it comes to beverages, coffee and other caffeinated drinks should be consumed with caution regarding their quantity. According to Healthline, drinking coffee can temporarily elevate blood pressure after consumption.
A study found that drinking 1.5 to 2 cups of coffee or around 200-300 mg of caffeine can raise systolic blood pressure by approximately 8 mmHg and diastolic blood pressure by around 6 mmHg.
However, if you regularly drink coffee, you may not experience this blood pressure spike. This is likely due to caffeine tolerance, which develops over time with habitual coffee consumption.
Although the effect is temporary, individuals with hypertension should still be mindful of their coffee intake. If drinking coffee causes an increase of 5-10 points in blood pressure, it is advisable to reduce daily caffeine intake.
Since different types of coffee contain varying amounts of caffeine, it is essential to monitor your body’s response. If you notice a significant rise in blood pressure after drinking coffee, consider pausing consumption and consulting a doctor.
Safe Ways to Drink Coffee for People with Hypertension
Despite its potential risks, coffee also offers benefits for individuals with hypertension. Research suggests that drinking 3-5 cups of coffee per day may lower the risk of heart disease and reduce the likelihood of premature birth.
Coffee contains bioactive compounds, particularly antioxidants, that help combat oxidative stress in the body. Additionally, many health experts argue that the benefits of coffee outweigh its risks, though further studies are needed to fully understand its effects on blood pressure.
If your doctor approves coffee consumption, here are some guidelines for drinking coffee safely while managing hypertension:
1. Monitor Your Coffee Intake
The US Food and Drug Administration (FDA) states that up to 400 mg of caffeine per day is generally safe for most individuals. However, if you have high blood pressure, it is recommended to limit caffeine intake to 200 mg per day. Keep in mind that caffeine is not only found in coffee but also in energy drinks and other beverages.
2. Avoid Drinking Coffee Before Strenuous Activities
If you engage in physically demanding activities, such as weightlifting or other intense exercises, it is best to avoid consuming coffee beforehand. Since coffee can temporarily raise blood pressure, it may affect blood circulation and potentially interfere with performance.
3. Do Not Drink Coffee Before Bedtime
Individuals with hypertension should refrain from drinking coffee before sleeping, as it may disrupt sleep patterns. Insufficient sleep can contribute to higher blood pressure levels upon waking.
Coffee can be a beneficial beverage when consumed in moderation. If you have hypertension, it is best to consult a doctor regarding the safest coffee consumption limits to maintain optimal heart health.
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- dr Hanifa Rahma
Mayo Clinic. Caffeine: How Does It Affect Blood Pressure?. Available from: https://www.mayoclinic.org/diseases-conditions/high-blood-pressure/expert-answers/blood-pressure/faq-20058543#
Hill, A. (2021). How Does Coffee Affect Your Blood Pressure?. Available from: https://www.healthline.com/nutrition/coffee-and-blood-pressure
NHS. High Blood Pressure. Available from: https://www.nhs.uk/conditions/high-blood-pressure-hypertension/prevention/
Richards, L. (2020). Does coffee raise blood pressure?. Available from: https://www.medicalnewstoday.com/articles/does-coffee-raise-blood-pressure