Quick summary: CBD may interact with some medications, including heart and blood pressure medicines.
- We present some research findings on CBD and the heart, as well as CBD and the circulatory system
- Learn the basics about CBD
- Below, we cover the heart’s main functions.
- We review the potential risks of using CBD products, especially for people with heart concerns.
- We look at factors to consider when choosing CBD products
- Explore the key factors that affect heart and circulatory health
CBD, or cannabidiol, has become increasingly popular. If you have a heart condition, you may be wondering whether CBD is appropriate. That’s an important question, and people with heart conditions should be especially cautious. This article looks at the key things to know about CBD and heart health.
CBD and the Heart: What Research Says About the Circulatory System
Researchers have studied CBD’s relationship to the heart and circulatory system in several areas. Here are a few examples.
- A 2017 randomized crossover study in healthy volunteers examined how a single dose of CBD affected blood pressure at rest and under stress.
- A 2020 study examined CBD in animal models of hypertension and looked at stress-related blood pressure responses. More research in humans is still needed to understand the results.
- A 2014 preclinical study looked at CBD in lab and animal models and examined several biological markers, including vascular response. Earlier findings also explored how CBD affected blood vessel relaxation in animal models.
These early findings are interesting, but more research is needed to understand CBD’s possible effects, especially in people with heart disease.
What Is CBD (Cannabidiol)?
Let’s start with the basics. CBD, also known as cannabidiol, is a non-intoxicating compound found in hemp (Cannabis sativa). Researchers have studied CBD in connection with general wellness topics, including stress and sleep. If you want more detail, read our article on the effects of CBD oil.
Before buying CBD, be sure to read this
- Curious how CBD oil works? Start with the basics.
- Learn about the potential effects of CBD oil.
- Not sure which CBD oil to choose? Compare the options to find the right one for your needs.
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The Connection Between the Heart and the Endocannabinoid System
The endocannabinoid system (ECS) is involved in many normal body functions, including heart activity and blood pressure. Some research has explored how CBD interacts with the ECS, but the evidence is still limited. The sections below look at what is currently known about CBD and heart health.
How the Heart Works
The heart is one of the body’s most important organs and works nonstop throughout life. Its main job is to pump blood, but it does much more than that. Let’s take a closer look:
- Ensuring oxygen supply: The heart pumps and delivers oxygen-rich blood to every part of the body.
- Nutrient delivery: Blood circulation carries nutrients to cells.
- Hormone transport: The heart helps transport hormones to target organs.
- Thermoregulation: Blood circulation helps maintain and regulate body temperature.
|
How It Works |
Why It Matters |
|
Oxygen Delivery |
Supports normal cell function. |
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How Nutrients Move Through the Body |
Supports the body’s normal energy production. |
|
How Hormones Move Through the Body |
May help support several normal body functions. |
|
How the Body Regulates Temperature |
May help support normal temperature regulation. |
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CBD and Heart Problems? Proceed With Caution!
CBD and heart health is a complex topic. Here are the key factors to keep in mind.
CBD and Heart Concerns: Talk to Your Doctor First
If you have heart disease, it’s especially important to check with your healthcare provider before starting CBD. A doctor can:
- Consider your individual risks.
- Provides guidance on how much to use.
- Pay attention to any changes after using CBD.
CBD and Heart Medications: Watch for Interactions
CBD can interact with certain heart medications, which can be dangerous without proper caution. Here are some important points:
- CBD may interact with blood-thinning medications.
- CBD may interact with some blood pressure medications.
- It might change the absorption of certain heart rhythm regulation drugs.
|
Type of Medication |
Potential CBD Interactions |
|
Blood thinners |
May increase bleeding risk. |
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Blood pressure medications |
Blood pressure may decrease. |
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Medications for heart rhythm conditions |
May Be Less Effective |
When CBD May Not Be Right for You
There are situations when it is advisable to avoid using CBD altogether:
- Right before or after surgery, check with your doctor before using CBD.
- If you have an unstable heart condition, check with your doctor first.
- If you are pregnant or breastfeeding, talk with your healthcare professional before using CBD.
How to Use CBD Oil
CBD dosing should follow the product label. Here are a few general tips:
- If you use CBD, some people start with 5–10 mg daily.
- If you use CBD, start with the label directions and ask a healthcare professional before increasing the amount.
Our CBD oil dosing guide covers the key dosing details in more depth, so it’s a good place to start.
How Is CBD Absorbed?
CBD oil is commonly taken under the tongue, but other CBD formats are available too. If you’re comparing products, broad-spectrum CBD oil is one option to consider. Some people prefer products with multiple hemp compounds, but the best format depends on your preferences and how you plan to use it.
What is CBD?
Get the key details in one place.
THC-Free CBD Oil: Key Factors to Consider Before Buying
Quality matters when choosing CBD products. Here are a few things to look for:
✔ Made from organic hemp, free from heavy metals and pesticides.
✔ Broad-spectrum, rich in terpenes and phytocannabinoids, but contains no THC.
Made with American-grown hemp.
✔ THC-free.
✔ U.S.-focused support and transparent product documentation.
✔ Comes with lab test results, guaranteeing purity and active ingredient content.
Includes customer reviews and firsthand feedback.
Product information includes a CPNP registration number.
Considering these points can help you choose a quality CBD product.
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How Can We Approach Heart Health Safely?
Heart health is an important part of overall wellness. Here are a few simple habits that are commonly recommended for general heart health:
Regular exercise: About 30 minutes of moderate physical activity each day is often recommended for general heart health.
Balanced diet: Eat plenty of vegetables, fruits, and whole grains.
Stress management: Meditation and yoga can both be helpful parts of a stress-management routine.
Quality sleep: Aim for 7-9 hours each night, depending on your needs.
Regular checkups: It’s a good idea to check your blood pressure and cholesterol at least once a year.
Summary:
If you have a heart condition, use CBD carefully and talk with your doctor before trying any product. Everyday habits like sleep, movement, and a balanced diet also support overall health.
You can find the original research and source links below.
References and Scientific Sources
- Khalid A. Jadoon, Garry D. Tan, and Saoirse E. O’Sullivan (2017): A single dose of cannabidiol reduces blood pressure in healthy volunteers in a randomized crossover study DOI: 10.1172/jci.insight.93760
- Aleksandra Kicman and Marek Toczek (2020): The Effects of Cannabidiol, a Non-Intoxicating Compound of Cannabis, on the Cardiovascular System in Health and Disease DOI: 10.3390/ijms21186740
- Amanda J Wheal, Mariateresa Cipriano, Christopher J Fowler, Michael D Randall, Saoirse Elizabeth O’Sullivan (2014): Cannabidiol improves vasorelaxation in Zucker diabetic fatty rats through cyclooxygenase activation DOI: 10.1124/jpet.114.217125
- Shenglong Zou and Ujendra Kumar (2018): Cannabinoid Receptors and the Endocannabinoid System: Signaling and Function in the Central Nervous System
- Jacob N. Kisiolek, Victoria A. Flores, Arjun Ramani, Blake Butler, James M. Haughian, Laura K. Stewart (2023): Study on daily cannabidiol supplementation, sleep quality, and immune cell activity
- Kimberly A Babson, James Sottile, Danielle Morabito (2017): Cannabis, Cannabinoids, and Sleep: a Review of the Literature
- Kuldeep Singh, Bharat Bhushan, Dilip Kumar Chanchal, Satish Kumar Sharma, Ketki Rani, Manoj Kumar Yadav, Prateek Porwal, Shivendra Kumar, Ashwani Sharma, Tarun Virmani, Girish Kumar, Abdullah Al Noman (2023): Emerging Therapeutic Potential of Cannabidiol (CBD) in Neurological Disorders: A Comprehensive Review
- Esther M. Blessing, Maria M. Steenkamp, Jorge Manzanares and Charles R. Marmar (2015): Cannabidiol as a Potential Treatment for Anxiety Disorders
- Vanessa P. Soares and Alline C. Campos (2017): Evidences for the Anti-panic Actions of Cannabidiol
- D.C. Hammell, L.P. Zhang, F. Ma, S.M. Abshire, S.L. McIlwrath, A.L. Stinchcomb, K.N. Westlund (2016): Transdermal cannabidiol reduces inflammation and pain-related behaviors in a rat model of arthritis
