Eggs enhance natural keratin production.
Onions boost keratin production and flavour foods.
Salmon has 17 grammes of protein every 3-ounce (85-gram) serving.
Provitamin A carotenoids are abundant. Vitamin A is made from provitamin A carotenoids like beta carotene.
Biotin and protein help produce keratin. 1/4 cup (35 grammes) has 7g protein and 9% DV biotin.
Mangoes, native to South Asia, provide additional nutrients and help keratin formation.
Garlic contains N-acetylcysteine, which your body converts into L-cysteine, a keratin amino acid.
This leafy green vegetable contains 50 mcg of provitamin A per cup (21 grammes), or 6% of the DV.
Beef liver is a wonderful source of biotin if you want to boost keratin synthesis naturally.