Probably hair loss is the last thing anyone would want, but sadly, it is a common concern that can affect both physical appearance and self-confidence. While numerous factors contribute to hair thinning and shedding, vitamin deficiencies are often an underlying cause. As per the experts, striking a balance in the intake of essential vitamins is crucial for healthy hair growth.

Here’s a closer look at the vitamins associated with hair loss, as explained by two experts: Ravina Jain, Skin Expert and Managing Director of The Skin Story, and Dr Shifa Yadav, Consultant Dermatologist at Artemis Hospitals.

It is not a revelation that vitamin D deficiency is widely prevalent. Moreover, both the experts—Dr Yadav and Jain—agree that vitamin D deficiency is one of the most common causes of hair loss. In supporting hair follicles through their growth cycle, Jain says, vitamin D plays a crucial role. She believes that insufficient amounts can result in thinning hair and even conditions like alopecia areata, which causes patchy hair loss. There are many ways you can get vitamin D. However, spending time outdoors to get natural sunlight is an easy way to raise vitamin D levels. For those with limited sun exposure, Jain suggests vitamin D supplements as an effective solution.

Similarly, Dr Yadav says that vitamin D plays a major role in stimulating hair follicles. Its deficiency leads to poor hair growth and weak follicles. She says that people exposed to less sunlight, especially in certain seasons, are more prone to this deficiency, making vitamin D one of the primary culprits behind seasonal hair loss.

Biotin, or vitamin B7, is another vital nutrient that impacts hair health. Jain explains that biotin plays a crucial role in producing keratin, the protein responsible for hair strength. Without sufficient biotin, hair becomes brittle and prone to thinning. Plant-based sources like nuts, seeds, and whole grains can help maintain healthy biotin levels.

Dr Yadav adds that biotin deficiency, though rare, can lead to significant hair loss. A diet lacking in biotin or certain medical conditions can result in weak, brittle hair, increasing the likelihood of shedding.

According to Jain, iron deficiency, particularly common in women, is a major contributor to hair loss. Iron is essential for promoting oxygen-rich blood flow to the scalp, which keeps hair follicles healthy. When iron levels are low, hair loss often follows. Including iron-rich foods like lentils, spinach, and tofu into the diet can help, and pairing these foods with vitamin C enhances iron absorption.

Dr Yadav also points out the role of vitamins A and E in hair health. Vitamin A supports sebum production, which keeps the scalp moisturised. However, both insufficient and excessive levels of vitamin A can lead to alopecia, a condition characterised by hair loss. Excess vitamin A can clog hair follicles, causing hair to fall out.

On the other hand, Vitamin E is an effective antioxidant that prevents oxidative stress, which can damage hair follicles. A deficiency in vitamin E can cause hair breakage and scalp issues, further leading to hair loss.

Both experts agree that a well-balanced diet packed with essential vitamins is key to preventing hair loss. Dr Yadav advises people experiencing unexplained hair loss to check for vitamin deficiencies and consult healthcare professionals for guidance. Similarly, Jain urges vegan, cruelty-free supplements enriched with biotin, iron, and vitamin D to naturally support hair health.

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