Hawthorn for Heart Health: A Natural Ally Backed by Science
- Chelsea Birch, ND, RH (AHG), CBHT

- Feb 3
- 4 min read
Heart disease remains one of the leading causes of illness worldwide. While medications and medical procedures play an important role in treatment, many people are looking for safe, research-supported ways to support cardiovascular health naturally. One botanical that has gained significant scientific attention is Crataegus, more commonly known as hawthorn.
Used for centuries in traditional herbal medicine, hawthorn is now supported by modern research showing it may help improve circulation, support heart function, and protect blood vessels. Let’s break down what hawthorn is, how it works, and what the science says in a way that’s easy to understand.
What Is Hawthorn?
Hawthorn is a small tree or shrub belonging to the rose family. In herbal medicine, the berries, flowers, and leaves are used because they contain plant compounds that support heart and blood vessel function [1].
These compounds include:
Flavonoids
Oligomeric proanthocyanidins (OPCs)
Polyphenols
Together, these nutrients help support cardiovascular health in several different ways [2][3].

Why Heart Health Matters
Your heart is responsible for delivering oxygen and nutrients to every organ and tissue in your body. When the cardiovascular system is not functioning well, it can increase the risk of:
High blood pressure
Heart attack
Stroke
Heart failure
Poor circulation
Fatigue and reduced exercise tolerance
Supporting heart health early and consistently can help maintain energy, circulation, and long-term wellness.
How Hawthorn Supports the Heart
Hawthorn doesn’t just work through one pathway. It supports cardiovascular health through several overlapping mechanisms.
1. Helps Protect Blood Vessels From Damage
Oxidative stress and inflammation can damage blood vessels and contribute to heart disease over time. Hawthorn contains antioxidants that help neutralize free radicals and protect the delicate lining of blood vessels known as the endothelium [2][5].
Healthy blood vessels are essential for maintaining normal blood pressure and proper circulation.
2. Supports Healthy Blood Flow and Blood Pressure
One of hawthorn’s most studied benefits is its ability to help blood vessels relax. It may do this by improving nitric oxide activity, which helps widen blood vessels and improves circulation [1][5][11].
Improved blood flow can:
Reduce strain on the heart
Support healthy blood pressure
Improve oxygen delivery throughout the body
3. Supports Heart Muscle Function
Research suggests hawthorn may help improve how efficiently the heart pumps blood. A meta-analysis of randomized controlled trials found hawthorn extract improved exercise tolerance and cardiac workload efficiency in people with chronic heart failure [6].
Some studies also found patients experienced improvements in symptoms such as:
Shortness of breath
Fatigue
Reduced physical endurance [4][6][13]
4. May Support Healthy Cholesterol Balance
Early research suggests hawthorn compounds may help regulate lipid metabolism, including lowering LDL cholesterol and helping prevent plaque buildup in arteries [2]. While more research is needed, these findings suggest hawthorn may support long-term vascular health.
What Does the Research Show Overall?
Scientific studies suggest hawthorn may:
Improve exercise capacity in heart failure patients [6]
Support vascular elasticity and nitric oxide production [1][11]
Reduce oxidative stress and inflammation in cardiovascular tissue [2][5]
Improve symptoms like fatigue and shortness of breath in mild heart failure [4][7]
Some longer clinical trials showed more modest results when hawthorn was combined with advanced medical therapies, which highlights the importance of using herbal medicine as part of a comprehensive care plan rather than a standalone treatment [10].
Is Hawthorn Safe?
Hawthorn is generally well tolerated. But to stay on the safe side, I recommend working with an herbalist or naturopathic doctor (like myself!) that can look at your whole health picture including pre-existing medications and supplements.
How Hawthorn Fits Into a Heart-Healthy Lifestyle
Hawthorn works best as part of a comprehensive cardiovascular wellness plan that includes personalized suggestions for:
Balanced nutrition
Regular movement
Stress management
Proper sleep
Targeted nutritional and botanical support
The Bottom Line
Crataegus (hawthorn) is one of the most researched herbal medicines for cardiovascular health. Studies suggest it may support blood vessel function, improve circulation, enhance exercise tolerance, and reduce symptoms associated with mild heart failure. Because hawthorn supports both vascular function and heart muscle performance, we often included it in our integrative cardiovascular care plans.
If you want a tailored treatment plan addressing your current heart health, past medical history, and comprehensive look at your medications and supplements, schedule a FREE consultation with me today!
Until next time,
References
Vascular protective effects and molecular mechanisms of hawthorn extracts in cardiovascular diseases. PubMed review.
Botanical, phytochemical, and cardiovascular protective properties of hawthorn. MDPI.
Hawthorn therapeutic potential and pharmacological properties. PubMed review.
Clinical studies of hawthorn extract in cardiovascular disorders. PubMed.
Advances in vascular protective effects of hawthorn. Food & Function review.
Hawthorn extract for chronic heart failure: meta-analysis of randomized controlled trials. PubMed.
Benefit-risk assessment of standardized hawthorn extract WS 1442 in heart failure. Springer review.
Cardioprotective mechanisms of hawthorn including antioxidant and lipid effects. PubMed.
Traditional and clinical cardiovascular uses of Crataegus species. PubMed review.
Long-term randomized placebo-controlled hawthorn trial in heart failure patients.
Hawthorn effects on nitric oxide and endothelial function studies.
Disclaimer: This information is generalized and intended for educational purposes only. Due to potential individual contraindications, please see your primary care provider before implementing any strategies in these posts.



