Vitamins & Supplements · Top 10

10 Best Vitamins & Supplements for Heart Health

Explore the top 10 vitamins and supplements that support heart health, backed by evidence and research.

By HealthyCrispy Editorial Updated Aug 2026 Evidence-reviewed

Maintaining heart health is crucial for overall well-being, and certain vitamins and supplements can play a significant role in supporting cardiovascular function. This guide highlights the best options, based on research and expert recommendations.

Before incorporating any new supplements into your routine, it's important to consult with a healthcare professional to ensure they align with your health needs and conditions.

Part of our Heart-Healthy hub.

Best overall

Omega-3 Fatty Acids

★★★★★ 4.8

Omega-3 fatty acids, found in fish oil, are known for their heart-protective benefits. They can help reduce triglycerides and inflammation, promoting overall cardiovascular health.

✔ Supports heart health

✔ Reduces inflammation

− May cause fishy aftertaste

Typically 1000-3000 mg daily Check price on Amazon →

Best for energy

Coenzyme Q10

★★★★★ 4.7

CoQ10 is an antioxidant that supports heart health by improving energy production in cells and may help lower blood pressure. It's essential for maintaining a healthy heart.

✔ Boosts energy levels

✔ Supports heart function

− Can be expensive

Usually 100-200 mg daily Check price on Amazon →

Best for relaxation

Magnesium

★★★★★ 4.6

Magnesium plays a crucial role in maintaining normal heart rhythm and blood pressure. It aids in muscle and nerve function, contributing to overall cardiovascular stability.

✔ Helps manage blood pressure

✔ Promotes muscle relaxation

− Excess can cause digestive issues

Typically 300-400 mg daily Check price on Amazon →

Best for immunity

Vitamin D3

★★★★★ 4.5

Vitamin D3 supports heart health by regulating calcium and phosphate in the body, which are vital for proper cardiovascular function and immune response.

✔ Supports immune health

✔ Aids calcium absorption

− Requires sunlight for natural production

Commonly 600-2000 IU daily Check price on Amazon →

Best for digestion

Fiber Supplements

★★★★☆ 4.4

Fiber is essential for heart health as it helps lower cholesterol levels and supports digestive health. Soluble fiber, in particular, can help reduce the risk of heart disease.

✔ Lowers cholesterol

✔ Promotes digestive health

− May cause bloating initially

Aim for 25-30 grams of fiber daily Check price on Amazon →

Best for blood pressure

Potassium

★★★★☆ 4.3

Potassium is key in maintaining healthy blood pressure levels and proper heart function. A sufficient intake can help counteract sodium's effects on blood pressure.

✔ Helps regulate blood pressure

✔ Supports heart health

− Excess can lead to heart issues

Typically 2000-4000 mg daily Check price on Amazon →

Best for energy metabolism

B Vitamins

★★★★☆ 4.4

B vitamins, especially B6, B12, and folic acid, play an important role in heart health by reducing homocysteine levels, which is linked to heart disease.

✔ Supports energy metabolism

✔ May lower heart disease risk

− Too much can lead to nerve damage

Varies; consult with a professional Check price on Amazon →

Best for calcium regulation

Vitamin K2

★★★★★ 4.5

Vitamin K2 helps direct calcium to the bones and teeth while preventing it from accumulating in the arteries, thereby supporting cardiovascular health.

✔ Supports bone health

✔ May reduce arterial stiffness

− Less common in typical diets

Usually 90-120 mcg daily Check price on Amazon →

Best for fat metabolism

L-Carnitine

★★★★☆ 4.3

L-Carnitine is involved in fat metabolism and energy production within the heart, potentially improving exercise performance and heart function.

✔ Supports fat metabolism

✔ May enhance exercise performance

− Can cause gastrointestinal discomfort

Typically 500-2000 mg daily Check price on Amazon →

Best for anti-inflammatory properties

Curcumin

★★★★☆ 4.2

Curcumin, the active compound in turmeric, has anti-inflammatory properties that may support heart health by reducing inflammation and improving endothelial function.

✔ Strong anti-inflammatory effects

✔ May improve heart function

− Low absorption without black pepper

Usually 500-2000 mg daily with piperine Check price on Amazon →

Key takeaways

Heart health can be supported through various vitamins and supplements.
Consult a healthcare professional before starting any new supplement regimen.
A balanced diet, combined with the right supplements, can enhance cardiovascular wellness.

Prices and availability are accurate as of publication. As an Amazon Associate, HealthyCrispy earns from qualifying purchases. This content is educational and not medical advice.