Heart Disorders Blood Test

What is Heart Disorders?

Heart disorders encompass a wide range of cardiovascular conditions affecting the heart's structure and function. They are caused by multiple factors including high cholesterol, vitamin B3 (niacin) deficiency, inflammation, and metabolic imbalances that damage blood vessels and heart tissue. The Vitamin B3 test is the most important test for assessing cardiovascular risk factors related to cholesterol metabolism.

RECOMMENDED TEST Vitamin B3
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Fast & easy, results by email & SMS
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No need to visit a doctor
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What causes heart disorders?

Heart disorders are caused by a combination of factors that damage the cardiovascular system over time. High cholesterol levels, vitamin B3 (niacin) deficiency, chronic inflammation, high blood pressure, diabetes, and obesity all contribute to the development of heart disease. Niacin deficiency specifically leads to altered lipid profiles with increased LDL (bad) cholesterol and decreased HDL (good) cholesterol, creating conditions that promote plaque buildup in arteries and increase heart attack risk.

What is the best test for heart disorders?

The Vitamin B3 test is the most important blood test for assessing nutritional risk factors related to heart disorders because it detects niacin deficiency, which directly impacts cholesterol metabolism. Low vitamin B3 levels lead to increased LDL cholesterol and decreased HDL cholesterol, significantly raising your cardiovascular disease risk. This test measures nicotinic acid levels in the blood and helps identify whether nutritional deficiencies are contributing to unhealthy lipid profiles. While heart disorders are primarily diagnosed through electrocardiograms and echocardiograms, blood tests like the Vitamin B3 test help assess modifiable risk factors that you can address through diet and supplementation to protect your heart health.

When should I get tested for heart disorders?

You should get tested if you have a family history of heart disease, high cholesterol, or if you experience symptoms like chest pain, shortness of breath, fatigue, or irregular heartbeat. Testing is also important if you have risk factors like high blood pressure, diabetes, obesity, or if you smoke. Regular blood work to check vitamin B3 and other nutritional markers is recommended if you have poor diet quality or existing cardiovascular concerns, as catching deficiencies early can help prevent serious heart complications.

What are the symptoms of heart disorders?
Symptoms of heart disorders vary depending on the specific condition but commonly include chest pain or discomfort, shortness of breath during activity or rest, fatigue, irregular heartbeat or palpitations, and swelling in the legs, ankles, or feet. You might also notice dizziness, lightheadedness, or fainting spells. Some people experience pain or discomfort in the jaw, neck, back, or arms. Many heart conditions develop gradually, and early stages may have no noticeable symptoms, which is why regular screening and blood work to assess risk factors like vitamin deficiencies is important for prevention.
Who is at risk for heart disorders?
People at highest risk for heart disorders include those with family history of heart disease, individuals over age 55, and anyone with high blood pressure, high cholesterol, or diabetes. Smokers and people who are overweight or obese face significantly elevated risk. Those with poor diets lacking essential nutrients like vitamin B3, people who are physically inactive, and individuals experiencing chronic stress are also more vulnerable. Men generally develop heart disease earlier than women, though risk increases for women after menopause. People with existing inflammatory conditions or metabolic syndrome should be particularly vigilant about heart health monitoring.
What happens if heart disorders are left untreated?
Untreated heart disorders can lead to serious and life-threatening complications including heart attack, stroke, heart failure, and sudden cardiac arrest. As the condition progresses, your heart becomes less efficient at pumping blood, causing fluid buildup in your lungs and extremities. Nutritional deficiencies like low vitamin B3 that go unaddressed continue worsening your cholesterol levels, accelerating plaque buildup in arteries and narrowing blood vessels. This increases your risk of blood clots that can block circulation to your heart or brain. Chronic untreated heart disease significantly reduces quality of life and life expectancy.
Can heart disorders be diagnosed with a blood test?
Heart disorders themselves cannot be diagnosed solely with blood tests, but blood work plays a crucial role in assessing your cardiovascular risk factors. Tests like the Vitamin B3 test identify nutritional deficiencies that contribute to unhealthy cholesterol levels and increased heart disease risk. Blood tests can measure cholesterol panels, inflammation markers like C-reactive protein, and cardiac biomarkers like troponin that indicate heart damage. Definitive diagnosis of heart disorders requires additional testing including electrocardiograms (ECG), echocardiograms, stress tests, and sometimes cardiac catheterization, but blood work helps guide prevention and treatment strategies.
How are heart disorders treated?
Heart disorders are treated through a combination of lifestyle changes, medications, and sometimes procedures or surgery. Lifestyle modifications include adopting a heart-healthy diet rich in fruits, vegetables, and whole grains, regular exercise, quitting smoking, and managing stress. Medications may include blood pressure drugs, cholesterol-lowering statins, blood thinners, and beta-blockers depending on your specific condition. Addressing nutritional deficiencies like low vitamin B3 through supplementation helps improve cholesterol profiles naturally. More serious cases may require procedures like angioplasty, stent placement, or bypass surgery to restore proper blood flow to the heart.
How can I prevent heart disorders?
You can prevent heart disorders by maintaining a healthy lifestyle that includes eating a balanced diet rich in omega-3 fatty acids, fiber, and essential vitamins like B3, exercising regularly for at least 150 minutes weekly, and maintaining a healthy weight. Quit smoking and limit alcohol consumption to reduce cardiovascular stress. Manage chronic conditions like high blood pressure and diabetes through medication and lifestyle changes. Get regular blood work to monitor cholesterol levels and nutritional status, addressing deficiencies early before they impact heart health. Reduce stress through meditation, adequate sleep, and healthy coping strategies.
What natural remedies help with heart disorders?
Natural approaches that support heart health include ensuring adequate vitamin B3 (niacin) intake through foods like chicken, turkey, salmon, peanuts, and whole grains, which helps maintain healthy cholesterol levels. Omega-3 fatty acids from fish oil reduce inflammation and improve cardiovascular function. Coenzyme Q10 supplements support heart muscle energy production. Regular consumption of garlic, turmeric, and green tea provides antioxidant and anti-inflammatory benefits. Magnesium helps regulate heart rhythm and blood pressure. Always consult your healthcare provider before starting supplements, especially if you take heart medications, as natural remedies can interact with prescription drugs.
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Long story short:
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  8. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.
How do I know which test to get?
In the test options, find the test you want. If you’re not sure which test to get, we can lend a hand in finding the right option.

Just text or call us at 754-799-7833, email us at support@privatemdlabs.com, and we'll gladly help you. We've got your back and reply quickly.
Is it possible to make changes to my lab order if I made a mistake with the name, date of birth, or any other details?
Absolutely! We totally understand that errors can happen. No worries, we're here to help you.

Just reach out to us via text at 754-799-7833 or shoot us an email at support@privatemdlabs.com. Remember to include your order number and let us know the correct information you’d like to update. Our awesome team will jump right in and make sure everything is sorted out and accurate for you.

There are no changes necessary if your address is wrong on the requisition though. We don’t mail anything out.

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Only HSA & FSA is accepted.

Our services are strictly self-pay and cannot be submitted to your health insurance provider except for Health Savings Accounts or Flexible Savings Accounts.

This policy applies to all insurance companies, including federal health insurance programs like Medicare.

If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com.
Can I cancel my order?
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We get it – sometimes your needs change.

As long as your samples haven’t been collected yet, we’re happy to help you cancel your order.

If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com.

You can read more about our cancellation policy here.
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During the ordering process, you’ll be able to select a specific lab near you, with no strings attached! You can switch it up later easily and visit any of our authorized locations as long as it’s the same lab company you selected your test for (Quest Diagnostics or Labcorp).

Before you proceed with your order, feel free to browse through all our lab locations here. This will give you the peace of mind of knowing that there's a lab nearby your home, office or your favorite gym.

If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.
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* Regular blood test results (e.g., CBC) typically start arriving the next business day after sample collection. More complex tests, such as hormone panels, may take up to 10–15 business days due to their complexity.

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Vitamin B3
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$129 $101
What's included
Fast & easy, results by email & SMS
No need to visit a doctor
Private & confidential
No insurance needed
Results explained
No extra fees paid at the lab

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