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What Are The Benefits Of Vitamin D On Your Skin?

September 23, 2021 4 min read

We all know that vitamin D, is essential for maintaining bone strength. But did you know that this vitamin is also important for your skin's health?

Vitamin D has several skin-beneficial properties. We'll explain why vitamin D is crucial for your skin and how to acquire enough of it to keep it healthy.


  • Is Vitamin D Good For Skin?
  • What Is The Best Way To Get Adequate Vitamin D?
  • Which Vitamin D Is The Most Beneficial For Your Skin?
  • Can a Vitamin D deficiency cause skin problems?

Is Vitamin D Good For Skin?

Did you know that skin is your body's major source of vitamin D? As a result, vitamin D is essential for skin growth and preservation.

The following are some of the key roles of vitamin D in the skin:

1. Barrier function of the skin

Vitamin D controls the production of keratinocytes, the cells that make up the epidermis, your skin's outer layer. These cells are essential for the proper functioning of your skin barrier. The skin barrier not only keeps dangerous bacteria and chemicals out of your skin, but it also helps to keep moisture in, preventing dryness.

2. Increasing the immunity:

Skin is your body's biggest defensive organ and one of the most important components of its first line of defence. Vitamin D is required for immune cell activation, such as macrophages and monocytes. They innate immune system's cells and are critical in detecting pathogens and fights any foreign substances enters the skin. Vitamin D is also necessary for the control of B cells and T cells, it is the adaptive immune system's two main components. Autoimmune diseases can occur from the overactivation of these cells.

3.Antimicrobial properties

Vitamin D has a direct antibacterial impact in the skin, in addition to supporting the barrier function and modulating immune system components. When germs enter your skin, vitamin D triggers the activation of specific receptors that kill the bacteria.

 4. Sebaceous glands' regulation

Vitamin D is essential for the growth and proper functioning of the sebaceous gland cells in the skin, according to scientific studies. Sebaceous glands produce sebum, a natural oil that forms a protective coating on the skin's surface.

5. photoprotection

Vitamin D3 applied topically has been demonstrated to provide protection against UV light-induced skin damage. To some extent, vitamin D decreases cell death, improves cell survival, and diminishes redness caused by UV-induced skin damage

6. Wound healing

The protein cathelicidin has been found to be increased by vitamin D. This antibacterial protein aids in the healing of injured tissue and the re-establishment of the skin's barrier function. As a result, it is critical for the healing of skin wounds.

What Are The Best Ways To Get Enough Vitamin D?

Vitamin D is an unusual vitamin in that it cannot be obtained from food sources in large quantities. When exposed to UV B rays from the sun, it is generated in your skin.

When the epidermis is exposed to sunrays, the precursor of vitamin D is activated, and it enters the bloodstream. This type of vitamin D is subsequently converted to the active form of vitamin D3 in the liver and kidney, which is required for a variety of metabolic activities in the body. To acquire the needed quantity of vitamin D, however, only a moderate amount of sun exposure is required. Overexposure to the sun, especially in those with lighter skin tones, can cause skin cancer.

Vitamin D may be found in oily fish like salmon, herring, mackerel, sardines, red meat, eggs, and others. Vitamin D can also be obtained from cod liver oil. Mushrooms are most likely the sole vegetarian vitamin D source. Vitamin D fortification is available in dairy and non-dairy milk, as well as several morning cereals.

If you don't receive enough vitamin D through food or sunlight, you can take vitamin D supplements. Before taking a vitamin D supplement, speak with your doctor and get your vitamin D levels tested.

Which Vitamin D Is The Most Beneficial To Your Skin?

Vitamin D3 (cholecalciferol) is a kind of vitamin D that your body produces naturally when exposed to sunshine. Vitamin D3 in its active form helps your skin regenerate and perform other metabolic tasks.

Vitamin D2, also known as ergocalciferol, is a kind of vitamin D that comes from plants such as mushrooms. Vitamin D2 has been found to function in the body in a similar manner as vitamin D3. However, your body must activate both vitamin D2 and vitamin D3 in order for them to become active and effective.

Is Vitamin D Deficiency Linked To Skin Issues?

Because vitamin D is so necessary for skin growth and regular functioning, it's no surprise that a shortage of it may lead to a variety of skin issues. Vitamin D deficiency can raise the risk of the illnesses and conditions listed below.

  • Eczema
  • Psoriasis
  • Vitiligo
  • Certain forms of skin cancer
  • Increased acne breakouts
  • Hair loss

Putting It All Together

Vitamin D is an essential nutrient that helps to keep your skin healthy in a variety of ways. Vitamin D can be obtained in adequate levels by moderate sun exposure and the consumption of vitamin-rich foods. However, before beginning a vitamin D supplement, make sure to talk to your doctor. Excessive vitamin D supplementation might have negative consequences.


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