US(IP): Although both hair and nails' thickness and strength are largely hereditary, the food you eat (or don't get enough of) can affect the status of your fingers and hair just as much as a fancy spa treatment can.

Iran Press/America: According to www.eatthis.com, experts have recommended these foods as a source of necessary vitamins needed for better Nails and thicker hair. 

1)Tangerines:

Vitamin C is necessary for the growth and development of hair and beyond, and since the body can't produce it organically, eating foods packed full of the nutrient, like tangerines, is the number one way to get your fix and strengthen your hair

2)Mushrooms:

 Fungi are a solid source of vitamin D which is provided in mushrooms, so they will make your hair strong and shiny.

3) Fatty Fish:

Another way to boost your intake of follicle-stimulating vitamin D is to eat fatty fish, such as salmon, mackerel, and tuna, which also happen to be loaded with superstar omega-3 fatty acids. 

4) Wheat Germ Oil:

According to scientists, vitamin E is able to work its magic on your mane because it contains potent antioxidants called tocotrienols, which contribute to a healthier scalp.

5) Spinach:

Spinach is packed with hair-healthy nutrients such as iron and vitamin E, so it should come as no surprise that chowing down on the rich green veggie is a great way to strengthen your locks.

6) Lentils:

Lentils are loaded with nine essential vitamins and minerals, including B vitamins and biotin. That means, not only are they great for your overall health, but they're especially suited to keep your nails looking great and feeling strong.

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