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Psoriasis Symptoms Are More Severe in People With Low Vitamin D

Psoriasis is a chronic autoimmune skin condition that affects millions of people worldwide. It is characterized by the rapid buildup of skin cells, leading to red, scaly patches that can be itchy, painful, and emotionally distressing. Recent research suggests a strong connection between psoriasis symptoms and vitamin D levels. In this article, we’ll explore how low vitamin D levels can exacerbate psoriasis symptoms and discuss potential interventions.

Understanding Psoriasis

Psoriasis is a complex condition where the immune system mistakenly attacks healthy skin cells, causing them to multiply rapidly. This results in the formation of raised, inflamed plaques covered with silvery scales. These patches can appear anywhere on the body, but they often affect the elbows, knees, scalp, and lower back.

The Role of Vitamin D

Vitamin D, often referred to as the “sunshine vitamin,” is crucial for maintaining healthy bones, supporting the immune system, and regulating cell growth. Research has shown that vitamin D plays a pivotal role in controlling inflammation in the body. In people with psoriasis, adequate vitamin D levels can help modulate the immune response and alleviate symptoms.

The Link Between Vitamin D and Psoriasis

Studies have revealed a significant correlation between low vitamin D levels and the severity of psoriasis symptoms. When vitamin D levels are insufficient, it can lead to increased skin inflammation, prolonged healing times, and a higher likelihood of flare-ups. This is because vitamin D helps regulate the production of certain proteins that modulate the immune response and skin cell growth.

Exploring the Impact

Increased Inflammation

Low levels of vitamin D can contribute to systemic inflammation, which is a driving factor in psoriasis development. Inflammation worsens the redness, swelling, and itching associated with psoriasis plaques.

Slower Healing

Vitamin D is essential for promoting healthy cell turnover and wound healing. In psoriasis, where skin cell turnover is already accelerated, a deficiency in vitamin D can further hinder the healing process, leading to persistent plaques.

Aggravated Itching and Discomfort

People with psoriasis often experience intense itching and discomfort. Vitamin D deficiency can exacerbate these symptoms, making the condition even more distressing.

Addressing the Issue

Sunlight and Vitamin D

The most natural way to boost vitamin D levels is through exposure to sunlight. Ultraviolet B (UVB) rays from the sun stimulate the skin to produce vitamin D. Spending a short amount of time outdoors each day can help maintain adequate vitamin D levels.

Dietary Sources

Certain foods are rich in vitamin D and can be incorporated into the diet to support skin health. Fatty fish, fortified dairy products, egg yolks, and mushrooms are excellent sources of this essential nutrient.


In cases where sunlight exposure and dietary sources are insufficient, vitamin D supplements may be recommended. Consulting a healthcare professional before starting any supplementation regimen is advisable.


Psoriasis can have a profound impact on the quality of life, and its severity can be influenced by various factors. Low vitamin D levels have emerged as a significant contributor to the worsening of psoriasis symptoms. By addressing vitamin D deficiency through sunlight, diet, or supplements, individuals with psoriasis can potentially experience relief from the discomfort and inflammation associated with the condition.

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