Supplements to Avoid for Heart Health
Many Americans seek ways to proactively protect their heart health, often considering supplements as a convenient option. However, certain supplements can be detrimental to cardiovascular health. While nutrients from dietary sources are generally beneficial, high doses found in supplements can pose risks. If you have pre-existing heart conditions or are at high risk of cardiovascular disease, it’s especially important to discuss supplement use with a healthcare professional.
The Risks of Supplementation
It’s important to remember that the Food and Drug Administration (FDA) regulates supplements differently than medications. Supplements don’t undergo the same rigorous testing and approval process, meaning their quality and safety can vary.
Supplements to Approach with Caution
1. Vitamin E
Vitamin E is an antioxidant, generally considered beneficial. However, high doses in supplements can be harmful. Research indicates that high doses may increase the risk of heart failure and hemorrhagic stroke. A review of studies by the U.S. Preventive Services Task Force recommends against using vitamin E to prevent cardiovascular disease. Johns Hopkins Medicine suggests focusing on vitamin E-rich foods like vegetable oils, nuts, seeds, and green vegetables instead.
2. Calcium
While crucial for bone health, calcium supplements may increase the risk of heart disease, particularly in healthy postmenopausal women. A study analyzing 13 randomized controlled trials found that calcium supplements increased the risk of cardiovascular disease by 15% in this population. EatingWell notes that calcium may contribute to arterial calcification, increasing heart disease risk. Discuss with your healthcare provider to determine if calcium supplementation is appropriate for you, especially if you struggle to obtain enough calcium through diet.
3. Energy or Weight-Loss Supplements
Many energy and weight-loss supplements contain stimulants like caffeine or ephedra-like compounds. While moderate caffeine intake from sources like coffee or tea may be safe, supplements with high caffeine levels can strain the cardiovascular system, raise blood pressure and heart rate, and potentially increase heart disease risk.
4. Beta Carotene
Beta carotene, an antioxidant found in yellow, orange, and green leafy vegetables, is generally beneficial when obtained through diet. However, beta carotene supplements can be problematic, especially for smokers. Studies have linked daily 20- or 30-milligram beta carotene supplements to an increased risk of death from cardiovascular disease among smokers. This may be due to interactions with compounds in tobacco smoke.
5. Licorice
Licorice root supplements, often promoted for digestive health and other ailments, lack sufficient research to support these claims. Studies reveal that licorice root supplements may be dangerous for heart health because they contain glycyrrhizin, an enzyme that can cause sodium retention and high blood pressure. This is particularly risky for individuals already managing hypertension.
6. Red Yeast Rice
Red yeast rice is marketed as a cholesterol-lowering supplement, but it should be avoided. Its active ingredient, monacolin K, carries a high risk of muscle, kidney, and liver damage. Monacolin K is structurally identical to lovastatin, a prescription cholesterol-lowering drug. Manufacturers often don’t disclose the amount of monacolin K in supplements, and some illegally add lovastatin.
How to Promote Heart Health Without Supplements
- Get Moving: Physical activity strengthens the heart muscle and improves blood flow, reducing the risk of heart attack, lowering blood pressure and cholesterol, and reducing stress.
- Manage Stress: Stress can raise blood pressure and inflammation. Incorporate stress-reducing activities like physical activity, socializing, adequate sleep, meditation, or hobbies.
- Prioritize Sleep: Inadequate sleep increases the risk of high blood pressure and inflammation, and can lead to poor dietary choices.
- Eat a Heart-Healthy Diet: A diet rich in fruits, vegetables, whole grains, lean proteins, and nontropical vegetable oils is linked to a lower risk of chronic diseases like heart disease.
Expert Perspective
When it comes to heart health, caution is advised with certain supplements. Specifically, dietitians recommend against taking vitamin E, calcium, energy or weight-loss supplements, beta carotene, licorice, and red yeast rice. While some of these nutrients are beneficial in dietary form, high doses from supplements may increase cardiovascular disease risk. Focus on a healthy lifestyle—staying active, eating a heart-healthy diet, managing stress, and getting enough sleep—and consult with a healthcare provider before adding any new supplements to your routine.
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