Grounding for Varicose Veins and Circulation: Can Earthing Help?

Varicose veins affect an estimated one in four adults. Swollen, twisted veins in the legs — often accompanied by aching, heaviness, and visible swelling — are one of the most common signs that venous circulation is under strain. Lymphedema, a related condition involving fluid retention and tissue swelling, affects millions more, often after surgery or injury to the lymphatic system.

Conventional management for both conditions focuses on compression garments, elevation, exercise, and in some cases medical intervention. But as awareness of grounding (also called earthing) grows, more people with circulation-related conditions are asking whether connecting to the Earth's surface might offer any additional support.

The honest answer is that grounding isn't a treatment for varicose veins or lymphedema. But there is genuine science behind grounding's effects on blood viscosity and inflammation — two factors that are directly relevant to how blood and lymphatic fluid move through the body. This article examines that science, explains what grounding may realistically offer, and outlines how to use it as a complementary tool alongside, not instead of, your existing care.

The Connection Between Grounding and Circulation

To understand why grounding might have any relevance to circulation, it helps to understand what grounding actually does at a physiological level.

Grounding — direct physical contact with the Earth's surface, or the use of conductive products connected to a grounded electrical outlet — allows the body to receive electrons from the Earth. The Earth carries a mild negative charge and is a reservoir of free electrons. When you connect to it, those electrons enter the body and are thought to exert several measurable effects.

The most directly relevant study for anyone interested in circulation is a 2013 paper by Chevalier and colleagues published in the Journal of Alternative and Complementary Medicine. The researchers measured the zeta potential — a measure of electrical charge on the surface of red blood cells — in grounded and ungrounded subjects. Red blood cells with higher zeta potential repel each other more effectively, which reduces clumping and results in lower blood viscosity.

The results were significant. Grounding increased zeta potential and measurably reduced blood viscosity — the thickness or "stickiness" of blood. Thinner blood flows more easily through vessels. For veins already working harder than normal to return blood against gravity (which is part of what drives varicose vein formation), reduced viscosity means less resistance and better venous return.

A 2012 study, also by Chevalier, found that one hour of grounding produced measurable improvements in blood flow and markers of inflammation. Thermal imaging showed increased circulation, particularly in the face and torso, suggesting that grounding's vascular effects appear relatively quickly.

These aren't large clinical trials, and grounding research remains a developing field. But the mechanisms are plausible and consistent across studies: grounding reduces blood viscosity, reduces inflammation, and appears to improve peripheral circulation.

How Grounding May Help Varicose Veins

Varicose veins develop when the valves inside leg veins weaken or fail, allowing blood to pool rather than flow efficiently back toward the heart. The resulting pressure stretches vein walls, causing the characteristic bulging and discomfort. Common symptoms include:

Grounding's circulation and inflammation effects connect to these symptoms in three specific ways.

Reduced Blood Viscosity and Better Venous Return

The Chevalier 2013 findings are the most directly applicable here. When blood is less viscous, it flows more easily — including through compromised valves and stretched vein walls. This doesn't repair the underlying valve damage, but it may reduce the pooling that causes symptom flares. Think of it as reducing the workload on a system that's already under strain.

Reduced Inflammation and Less Swelling

Chronic inflammation around varicose veins contributes to the swelling and discomfort many people experience. Grounding has been shown in multiple studies to reduce pro-inflammatory markers and modulate the inflammatory response. For people whose symptoms include persistent swelling or a burning sensation, this anti-inflammatory effect may provide meaningful relief alongside other interventions.

Improved Microcirculation

Beyond the larger veins, grounding appears to improve microcirculation — the flow of blood through the smallest vessels. Better microcirculation means improved nutrient and oxygen delivery to tissues, which matters for the skin and tissue health of legs affected by chronic venous insufficiency.

To be clear about what grounding won't do: it will not make existing varicose veins disappear, close incompetent valves, or reverse structural vein changes. These require medical treatment. What grounding may offer is a degree of symptom management — reduced aching, less end-of-day heaviness, and potentially less swelling — as one component of a broader approach.

Grounding and Lymphedema

Lymphedema is a distinct condition, though it shares some common ground with varicose vein management. It occurs when the lymphatic system — responsible for draining excess fluid from tissues — is damaged or blocked, typically after lymph node removal during cancer surgery, infection, or trauma. The result is chronic swelling, usually in an arm or leg, that is difficult to reverse and requires careful ongoing management.

There are no published studies specifically examining grounding in people with lymphedema. It would be misleading to claim otherwise.

What does exist is a plausible mechanism. Lymphatic flow is closely linked to inflammation — when tissues are inflamed, lymphatic drainage becomes less efficient. Grounding's documented anti-inflammatory effects could theoretically support lymphatic function by reducing the inflammatory burden in affected tissues. Similarly, improved microcirculation may assist the fluid exchange processes that the lymphatic system depends on.

For anyone managing lymphedema, grounding should be considered a very cautious complement to standard care — compression therapy, manual lymphatic drainage, specific exercise protocols, and skin care. It is not a substitute for any of these, and the evidence base for grounding in this specific context does not yet exist. Discuss it with your lymphedema therapist before incorporating it.

How to Use Grounding for Circulation Benefits

If you want to explore grounding as a complementary tool for circulation support, the research points to some practical guidance on how to approach it.

Overnight Grounding

The Chevalier 2013 blood viscosity study used overnight grounding — participants slept on conductive mattress pads connected to the Earth. This is significant. The effects on blood viscosity were measured after a sustained grounding period during sleep, when the body is otherwise engaged in repair processes.

A grounding sheet is the most practical way to achieve this. Premium Grounding sheets are flat sheets woven with stainless steel fibres — 30% conductive material — and are designed to be placed between your fitted sheet and mattress, or directly on the bed surface. They connect via a cord to the earth port of a standard grounded outlet, conducting the Earth's electrons throughout your sleep.

For legs in particular, sleeping with your lower legs and feet in contact with a grounding sheet aligns well with the circulation research. The sheet works through a fitted sheet placed over it, so direct skin contact isn't required for all areas — though more direct contact generally means more consistent grounding.

Leg Elevation While Grounding

Elevating the legs above heart level is a standard recommendation for managing varicose vein symptoms and reducing end-of-day swelling. Doing this while grounding combines two evidence-informed approaches. A grounding mat positioned where your feet and lower legs rest during elevation sessions is a straightforward way to stack these benefits. Our grounding mat works well for this purpose during rest or recovery periods.

Daytime Mat Use

For anyone who spends significant time seated — at a desk, watching television, or during recovery — placing a grounding mat under bare feet provides grounding throughout the session. Even relatively brief daily sessions contribute to accumulated grounding time, which matters for anyone using grounding to support a health goal rather than simply to try it once.

Consistency Over Intensity

The Chevalier studies showed measurable effects after a single grounding session, which is encouraging. But for chronic conditions like varicose vein discomfort or lymphedema, consistent daily grounding is more likely to be useful than occasional sessions. Building grounding into your existing rest periods — whether overnight with a sheet or during planned elevation sessions with a mat — makes consistency easier to sustain.

For more detail on how to approach grounding timing, see our article on how long to ground yourself.

Important Considerations

Before incorporating grounding into your routine for circulation or lymphedema support, there are several things worth knowing.

Grounding is Complementary, Not a Replacement

Varicose veins and lymphedema are medical conditions. Their management — compression therapy, elevation, appropriate exercise, and in some cases surgical intervention — is grounded in substantial clinical evidence. Grounding is not a substitute for any of this. Approach it as a potential addition to an existing routine, not an alternative to it.

If You Have DVT Risk or Active DVT

Deep vein thrombosis (DVT) is a serious condition that shares some surface similarities with varicose vein symptoms but carries significant risk if not managed carefully. If you have a history of DVT, a known clotting disorder, or symptoms that might indicate DVT (sudden severe swelling, pain, redness, warmth in one leg), speak with your doctor before starting any new practice that affects circulation — including grounding.

If You Are on Blood Thinners

This is the most important caution in this article. Grounding's documented effect on blood viscosity means it may enhance the blood-thinning effects of anticoagulant medications such as warfarin, heparin, or newer anticoagulants. If you are prescribed blood thinners for any reason, discuss grounding with your prescribing physician before beginning regular use. The interaction is theoretical based on the viscosity mechanism rather than studied directly, but the caution is warranted given the consequences of over-anticoagulation.

Consult Your Vascular Specialist

If you have severe or progressive varicose veins, chronic venous insufficiency, or lymphedema under specialist care, bring up grounding with your vascular surgeon or lymphedema therapist. They may have views on whether it's appropriate given the specifics of your condition, and it's always better to have those conversations proactively. See also our overview of grounding safety considerations for general background.

Frequently Asked Questions

Can grounding cure varicose veins?

No. Varicose veins result from structural changes to vein walls and valves that grounding cannot reverse. The science does suggest grounding may reduce blood viscosity and inflammation, which could help manage associated symptoms — aching, heaviness, swelling — but it is not a treatment for the underlying condition.

Is there research on grounding specifically for varicose veins?

There are no studies examining grounding specifically in people with varicose veins. The relevant research is on grounding's effects on blood viscosity (Chevalier 2013) and inflammation and circulation (Chevalier 2012), which are the physiological factors most relevant to varicose vein symptoms. The application to varicose veins is a logical extension of this science, not a directly studied outcome.

What is the best grounding product for someone with varicose veins or lymphedema?

For overnight grounding — which is what the blood viscosity research used — a grounding sheet is the most practical option. It allows consistent grounding throughout sleep without requiring you to maintain a specific position. For targeted leg elevation sessions during the day, a grounding mat placed under the feet and lower legs is a good complement. Both approaches can be used together.

How long does grounding need to be to have an effect on circulation?

Chevalier's 2012 study showed circulation and inflammation changes after a single one-hour session. The blood viscosity study used overnight grounding. For symptom management in a chronic condition, regular daily grounding is more relevant than single sessions — building it into existing habits (overnight sleep, daily rest periods) is the most sustainable approach. See our article on how long to ground yourself for a fuller discussion.

Can I use grounding alongside compression therapy for lymphedema?

There's no known reason why grounding would interfere with compression garments or manual lymphatic drainage — they work through different mechanisms. However, because lymphedema requires careful specialist management, it's worth discussing any new complementary practice with your lymphedema therapist before adding it to your routine. Compression therapy remains the most evidence-supported non-surgical intervention for lymphedema; grounding should be considered a cautious, low-risk addition, not a substitute.

References

Chevalier G, Sinatra ST, Oschman JL, Delany RM. "Earthing (Grounding) the Human Body Reduces Blood Viscosity — a Major Factor in Cardiovascular Disease." Journal of Alternative and Complementary Medicine. 2013;19(2):102-110.

Chevalier G, Sinatra ST, Oschman JL, Sokal K, Sokal P. "Earthing: Health Implications of Reconnecting the Human Body to the Earth's Surface Electrons." Journal of Environmental and Public Health. 2012;2012:291541.

For further reading on the mechanisms behind grounding's circulation effects, see our article on how grounding boosts circulation.