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Which vitamin deficiency causes hair loss?

Picture of Andrew Bellingham

Andrew Bellingham

Pharmacist | 20+ Years | BPharm | Dip Clin Pharm

Experiencing hair loss can be incredibly frustrating, and one factor that might be contributing is a deficiency in certain vitamins. These essential nutrients play an important role in maintaining healthy hair, and a lack of them can lead to thinning and shedding.

Vitamin B

This group of vitamins, particularly B7 (biotin) and B12, is essential for hair health. Biotin supports the production of keratin, a protein that makes up hair, while B12 is crucial for red blood cell formation, which helps deliver oxygen to hair follicles.

Vitamin D

Vitamin D deficiency has been linked to a condition known as telogen effluvium, where hair follicles enter a resting phase and hair falls out more easily. Adequate vitamin D levels are necessary for stimulating hair growth and maintaining healthy hair.

Vitamin E

Known for its antioxidant properties, vitamin E helps protect hair follicles from oxidative stress caused by free radicals.

Vitamin A

This vitamin helps in the production of sebum, an oily substance that moisturises the scalp. While vitamin A is crucial for maintaining a healthy scalp, excessive amounts can also lead to hair loss. It’s essential to maintain a balanced level of vitamin A to support hair health without causing adverse effects.

 

If you suspect that a vitamin deficiency might be contributing to your hair loss, supplements can be a helpful solution. They can restore nutrient levels and potentially improve hair health. However, it’s essential to use supplements cautiously, as excessive amounts of certain vitamins can lead to additional health issues.

Frequently asked questions about hair loss

What vitamins are most commonly linked to hair loss?

Deficiencies in vitamins B7 (biotin), B12, D, E, and A are commonly linked to hair loss. Ensure a balanced intake to support healthy hair growth.

Can vitamin supplements help prevent or reverse hair loss?

Yes, vitamin supplements can help address deficiencies that cause hair loss, potentially improving hair health.

How can I tell if a vitamin deficiency is causing my hair loss?

Look for signs like thinning hair, dry scalp, or brittle strands. A blood test and consultation can confirm if a vitamin deficiency is the cause.

A man checks his hair in the mirror to check his hair growth from taking 1mg of finasteride daily.

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