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Heavy Legs and Heat: How Can You Keep Your Circulation Healthy This Summer?

Heavy Legs and Heat: How Can You Keep Your Circulation Healthy This Summer?

As temperatures rise, feelings of heavy legs, tightness, or swollen ankles may become more common. Heat causes blood vessels to dilate, which can exacerbate venous discomfort, especially after a day spent standing or sitting.

June 2026: Exceptional Temperatures

According to Météo-France, June 2026 was the hottest June ever recorded in France, with a national average temperature of 3.8°C above seasonal averages. The heat waves observed in June and July were also marked by temperatures that consistently exceeded 40°C, a level never before seen in France.

In this context, certain circulatory discomforts may be felt more acutely.

Why does heat make your legs feel heavier?

To dissipate heat and maintain its internal temperature, the body increases the diameter of the blood vessels near the skin. This phenomenon is called vasodilation.

In the legs, this dilation can contribute to blood pooling and the development of edema, particularly in people who already have venous insufficiency. 

The most common signs are:

  • a feeling of heaviness or tightness;
  • tired legs at the end of the day;
  • tingling;
  • swelling of the feet or ankles.

Best Practices During Heat Waves

Exercise regularly

Even though it’s difficult during a heat wave and everything seems to be moving more slowly, walking engages the calf muscles, which help return blood to the heart. In the summer, try to walk during the coolest hours of the day. Swimming, water aerobics, or moderate-intensity cycling are also good options for staying cool.

Whether you work sitting or standing, stand up regularly, rotate your ankles, and alternate between standing on your heels and the balls of your feet.

Seeking Freshness

Avoid very hot baths, saunas, steam rooms, and prolonged sun exposure on your legs. A cool shower on your legs can provide relief.
Ice-cold water, on the other hand, is a bad idea because it causes severe vasoconstriction, which significantly reduces blood flow to the skin.

Elevate Your Legs

At the end of the day, elevate your legs slightly above your hips for a few minutes. If you experience heat-related swelling, sit in a cool place and elevate your legs—for example, on a pillow.

Ask for advice on compression

Compression socks, stockings, or tights reduce vein dilation and facilitate venous blood flow. Their size and compression level should be determined with the help of a healthcare professional.

PharmaSmile Circulation: a precisely dosed herbal blend

In addition to these habits, PharmaSmile Circulation combines several plant extracts rich in polyphenols and flavonoids.

Each serving of two capsules contains herbal extracts.

Phytonutrients derived from grape seeds

The oligoproanthocyanidins, or OPCs, are polyphenols naturally found in grape seeds.

They are being studied for their antioxidant properties and their interactions with the vascular environment, particularly with the endothelium—the thin layer of cells that lines the inside of blood vessels. Some clinical studies have evaluated the effects of grape seed extracts on vascular function.

Red Grapes and Their Polyphenols

Red vine is traditionally associated with leg comfort, particularly in the treatment of symptoms of chronic venous insufficiency.

Rutin, a plant-derived flavonoid

Rutin is a flavonoid that occurs naturally in many plants. Flavonoids are attracting a great deal of interest because of their numerous health benefits, particularly their antioxidant properties.

Blackcurrant leaves

Blackcurrant provides various well-known plant compounds, particularly polyphenols and their antioxidant activity. It complements the combination of red grapevine, OPCs, and rutin.

A holistic approach above all else

PharmaSmile Circulation is part of a comprehensive approach that combines physical activity, staying cool, minimizing periods of inactivity, and elevating the legs.

Like any dietary supplement, it is not a substitute for a balanced diet or medical treatment. Herbs may also have contraindications or interact with certain medications: see the product page.

When should you see a doctor?

Seek medical attention right away if one of your legs suddenly becomes swollen, painful, red, or warm. If you experience sudden shortness of breath, chest pain, or feel unwell, call 15 or 112.

Key Takeaways

Heat can make your legs feel heavier by causing blood vessels to dilate. To maintain healthy circulation, stay active, avoid prolonged exposure to heat, and elevate your legs regularly.

With its synergistic blend of plants known for their active ingredients, PharmaSmile Circulation offers a precisely formulated blend of herbs to complement these healthy habits.

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