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Written by Navneet Kaur, M.Sc. Nutrition & Dietetics

Diet

Best Supplements for Hair Growth: What Science Says

Healthy hair starts with good nutrition. Here’s what supplements actually help.

Introduction

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Popular for hair health, biotin deficiency causes hair thinning, but supplementation benefits mostly those who are deficient.

Biotin (Vitamin B7)

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Low vitamin D levels link to hair loss; correcting deficiency may improve growth.

Vitamin D

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Iron deficiency anaemia is a common cause of hair shedding, especially in women.

Iron

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Supports hair follicle health; deficiency leads to hair loss.

Zinc

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Anti-inflammatory properties support scalp health and hair follicle function.

Omega-3 Fatty Acid

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Supplies amino acids needed for keratin production may improve hair strength.

Collagen

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Supplements are most effective alongside a balanced diet rich in proteins, vitamins, and minerals. Beware of unregulated supplements; consult a healthcare provider before starting new products.

Precaution

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Underlying health conditions like thyroid imbalance or stress must also be addressed for hair growth. Targeted supplementation can support hair health, but holistic care is key.

Conclusion

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