✪ Key Takeaway: Cardamom can lower blood pressure by 3-5 mmHg when consumed at 3 grams daily for 12 weeks through diuretic and antioxidant effects.
Introduction
Your doctor just told you that your blood pressure is creeping up and you need to make changes.
You might be asking this question because you heard someone mention that cardamom helps with blood pressure, or maybe you saw it online and wondered if this common spice sitting in your kitchen could actually make a difference.
Hi, I am Abdur, your nutrition coach and today I am going to explain exactly how cardamom affects blood pressure, what the science says, how much you need, and whether it is worth adding to your daily routine.
What Does Research Say About Cardamom And Blood Pressure?
A clinical trial published in the Indian Journal of Biochemistry and Biophysics studied 20 people with newly diagnosed stage 1 hypertension.
Participants took 3 grams of cardamom powder daily for 12 weeks.
Results showed a significant reduction in both systolic and diastolic blood pressure.
Systolic pressure dropped from an average of 142 mmHg to 137 mmHg.
Diastolic pressure decreased from 88 mmHg to 83 mmHg.
Another study in the Journal of Ethnopharmacology confirmed that cardamom acts as a natural diuretic, meaning it helps your body eliminate excess sodium and water through urine.
This mechanism directly reduces the volume of fluid in your blood vessels, which lowers the pressure against artery walls.
✪ Fact: Cardamom contains over 100 bioactive compounds, with 1,8-cineole and alpha-terpinyl acetate being the primary blood pressure-lowering agents.
How Does Cardamom Lower Blood Pressure In Your Body?
Cardamom works through multiple pathways in your cardiovascular system.
First, it acts as a calcium channel blocker, similar to some prescription blood pressure medications.
This means it prevents calcium from entering the smooth muscle cells of your blood vessel walls.
When calcium cannot enter these cells, the muscles relax and your blood vessels widen.
Wider blood vessels mean less resistance to blood flow, which naturally lowers pressure.
Second, cardamom contains powerful antioxidants that reduce oxidative stress in your blood vessels.
Oxidative stress damages the inner lining of your arteries, making them stiff and less responsive to changes in blood flow.
✪ Note: Cardamom also improves fibrinolytic activity, which means it helps prevent dangerous blood clots from forming in your arteries.
How Much Cardamom Do You Need For Blood Pressure Benefits?
The effective dose in most studies is 3 grams of cardamom powder per day.
This equals roughly one and a half teaspoons of ground cardamom.
You can split this into two or three doses throughout the day for better absorption.
Some people prefer using whole cardamom pods instead of powder.
In that case, you would need about 10 to 12 green cardamom pods daily.
You can crush the pods and add them to your tea, coffee, smoothies, or cooking.
The important thing is consistency because the blood pressure benefits appear after several weeks of regular use, not immediately after one dose.
✪ Pro Tip: Add crushed cardamom to your morning tea or coffee to make daily consumption effortless and enjoyable.
What Are The Other Heart Health Benefits Of Cardamom?
Beyond blood pressure, cardamom offers several additional cardiovascular benefits.
Research shows it significantly increases antioxidant status in your blood by up to 90 percent after 12 weeks of use.
Higher antioxidant levels protect your heart and blood vessels from damage caused by free radicals.
Cardamom also helps reduce inflammation markers like C-reactive protein and interleukin-6.
Chronic inflammation contributes to atherosclerosis, which is the buildup of plaque in your arteries.
Some studies suggest cardamom may help improve lipid profiles by reducing total cholesterol and LDL cholesterol levels.
It also appears to have mild blood sugar regulating effects, which is important because high blood sugar damages blood vessels over time.
✪ Fact: Cardamom has been used in traditional Ayurvedic and Chinese medicine for over 4,000 years to treat heart-related conditions.
Can Cardamom Replace Blood Pressure Medication?
No, cardamom should not replace prescribed blood pressure medication without your doctor’s guidance.
The blood pressure reductions seen with cardamom are modest, typically 3 to 5 mmHg.
This is helpful but not enough for people with moderate to severe hypertension.
Think of cardamom as a complementary tool, not a standalone treatment.
It works best when combined with other lifestyle changes like reducing sodium intake, exercising regularly, managing stress, and maintaining a healthy weight.
If you are already taking blood pressure medication, adding cardamom might enhance the effects.
However, you must inform your doctor because the combined effect could lower your blood pressure too much, leading to dizziness or fainting.
✪ Note: Never stop or reduce your prescribed medication without consulting your healthcare provider, even if you feel better.
Are There Any Side Effects Or Precautions With Cardamom?
Cardamom is generally safe when consumed in food amounts.
The doses used in studies, around 3 grams daily, are also considered safe for most people.
However, some individuals may experience mild digestive discomfort, especially when starting.
If you have gallstones, cardamom might trigger gallstone colic because it stimulates bile flow.
People with bleeding disorders should use caution because cardamom has mild anticoagulant properties.
Pregnant and breastfeeding women should stick to normal food amounts and avoid medicinal doses since safety data is limited.
Always start with a smaller amount and gradually increase to assess your tolerance.
✪ Pro Tip: Buy whole cardamom pods instead of pre-ground powder to ensure freshness and maximum potency of active compounds.
The Bottom Line
Cardamom can modestly lower blood pressure through natural diuretic effects, calcium channel blocking, and powerful antioxidant activity when consumed at 3 grams daily for at least 12 weeks.
Small daily habits with proven spices create lasting health changes that expensive supplements cannot match.
I would love to hear your thoughts or experiences with cardamom or any questions you have about using spices for blood pressure management, so please share them in the comments below.
References
At NutritionCrown, we use quality and credible sources to ensure our content is accurate and trustworthy. Below are the sources referenced in writing this article:
- Wiley Online Library: Cardamom as a Blood Pressure Lowering Natural Food Supplement
- PubMed Central: Cardamom Effects on Blood Pressure and Cardiovascular Health
- Systematic Reviews in Pharmacy: Cardamom in Grade One Hypertension Patients
- PubMed Central: Cardamom Consumption on Inflammation and Oxidative Stress





