Do flavanols really improve heart health?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Flavanols are natural compounds found in foods like cocoa, tea, apples, and berries. Research suggests flavanols may support heart health by improving blood flow, lowering blood pressure, and reducing key risk factors for cardiovascular disease. Adding flavanol-rich foods to your diet is a simple, evidence-backed way to protect your heart.

However, heart disease risk isn't just about diet. Symptoms like chest discomfort, fatigue, or shortness of breath can signal underlying issues that food alone won't fix. If you're noticing changes in how you feel, don't guess—get clarity in minutes with a free, instant, online symptom check to better understand your health and confidently plan your next steps.

Reviewed for medical accuracy: 07/20/2026

What brings you in today?

Can I treat this myself Do I need to see a doctor Where should I go for care I'm concerned about a symptom Concerned about a possible condition My symptoms are getting worse Seeking a second opinion

Not seeing your question? No worries.

Submit your own Question

Explanation

Flavanols are natural compounds found in certain foods, such as cocoa, that may have positive effects on heart health. According to the provided references, these compounds can help improve blood vessel function, which is important for maintaining healthy blood flow.

Blood Flow: Improved blood flow can reduce the risk of heart disease. Flavanols help blood vessels relax and widen, making it easier for blood to travel through them.
Heart Disease Risk Factors: Flavanols may also help reduce other risk factors for heart disease, such as high blood pressure and inflammation.

These benefits suggest that including flavanol-rich foods like cocoa in your diet might support heart health. However, it is important to consume them as part of a balanced diet and not rely solely on them for heart health improvements. If you're experiencing symptoms related to your heart health or circulation, consider using Ubie's free AI-powered symptom checker to better understand your condition.

(References)

Erdman JW Jr, Carson L, Kwik-Uribe C, Evans EM, & Allen RR. (2008). Effects of cocoa flavanols on risk factors for cardiovascular .... Asia Pacific journal of clinical nutrition, 18296357.
Heiss C, Keen CL, & Kelm M. (2010). Flavanols and cardiovascular disease prevention. European heart journal, 20852295.
Martin MÁ, & Ramos S. (2021). Impact of cocoa flavanols on human health. Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 33722594.

Thinking about asking ChatGPT?Ask me instead

Tell your friends about us.

We would love to help them too.

For First Time Users

What is Ubie’s Doctor’s Note?

We provide a database of explanations from real doctors on a range of medical topics. Get started by exploring our library of questions and topics you want to learn more about.

Was this page helpful?

Purpose and positioning of servicesUbie Doctor's Note is a service for informational purposes. The provision of information by physicians, medical professionals, etc. is not a medical treatment. If medical treatment is required, please consult your doctor or medical institution. We strive to provide reliable and accurate information, but we do not guarantee the completeness of the content. If you find any errors in the information, please contact us.