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9 Foods to Increase Keratin Levels in Your Body

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Eggs are rich in biotin and protein, promoting keratin production, and are a good source of healthy nutrients such as selenium and vitamins A and B12.

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Onions are rich in N-acetylcysteine, converted into L-cysteine, a keratin component. They offer folate to keep hair follicles healthy.

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Salmon is a good source of protein, biotin, and omega-3 fatty acids, all of which promote keratin production and hair health.

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Sweet potatoes are high in provitamin A carotenoids, which support keratin synthesis and are essential for skin and hair health.

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Sunflower seeds are a great source of protein, biotin, and other micronutrients like vitamin E, copper, and selenium that support keratin production.

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Mangoes are high in provitamin A and other key nutrients like vitamin C and folate that promote skin and hair health.

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Garlic contains N-acetylcysteine, which your body converts into L-cysteine, and may aid in skin health.

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Kale is a good source of provitamin A and vitamin C, which supports collagen production and skin health.

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Carrots are high in provitamin A, which supports keratin synthesis and skin and hair health.