Your hair needs vitamin A; likewise, all cells need growth; no organ is exempted. Hair is the fastest growing tissue in the human body, so treat your hair nicely.

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Vitamin A also promotes skin glands to make an oily substance called sebum. Sebum moisturizes the scalp and helps keep your hair healthy. Diets deficient in vitamin A may lead to many problems, including hair loss.

While it’s necessary to get adequate vitamin A, too much may be dangerous. Researches reveal that an overdose of vitamin A can also affect the hair. Some vitamin A content includes Pumpkins, sweet potatoes, carrots, spinach, and kale; these are all high beta-carotene, which is turned into vitamin A.

Vitamin A can also be seen in animal products such as egg, milk, yogurt, cod liver oil, and you can still find Vitamin A supplements.

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2.Vitamin B

The best-known vitamin for hair growth is a B-vitamin called biotin. Studies link biotin deficiency with hair loss in humans. Although biotin is used as an alternative hair-loss treatment, those who are deficient have the best results.

Nevertheless, a deficiency is minimal because it happens naturally in a wide range of foods. There’s also a loss of data about whether biotin is useful for hair growth in healthy individuals.

Other B-vitamins help generates red blood cells, which provide oxygen and nutrients to the scalp and hair follicles. These methods are essential for hair growth.

Vitamin B can be found in fish, meat, whole grains, almonds, seafood, and dark, leafy greens. For vegetarians or vegans, consider using supplements because animal foods are not for you.

3. Vitamin C

Vitamin C is an important antioxidant that promotes protection against the oxidative stress generated by free radicals.

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Meanwhile, your body needs vitamin C to produce a protein known as collagen, an important part of the hair structure. Vitamin C also assists your body in absorbing iron, a mineral essential for hair growth. Vitamin C can be obtained in foods like Strawberries, peppers, guavas, and citrus fruits.

4. Vitamin D

Low levels of vitamin D are connected to alopecia, a technical term for hair loss.

The study also explains that vitamin D may help produce new follicles, the tiny pores in the scalp where new hair can grow. Vitamin D is held to play a role in hair production, but most studies focus on vitamin D receptors. The actual role of vitamin D in hair growth is unknown.

That said, most people don’t take enough vitamin D, and it may still be a good idea to improve your intake. Your body creates vitamin D through direct contact with the sun’s rays. Excellent dietary sources of vitamin D include fatty fish, cod liver oil, mushrooms, supplements, and fortified foods.

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5. Vitamin E

Vitamin E is an antioxidant that can prevent oxidative stress.

In one research, hair loss experienced a 34.5% increase in hair growth after supplementing with vitamin E for 8 months. The placebo group had only a 0.1% increase. Sunflower seeds, almonds, spinach, and avocados are all good sources of vitamin E.

Iron promotes red blood cells to carry oxygen to your cells. This makes it an essential mineral for many bodily functions, including hair growth.

Iron deficiency, which causes anemia, is a major cause of hair loss. It’s prevalent in women. Foods with iron include spinach, eggs, clams, oysters, red meat, lentils, and supplements.

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7. Zinc

Zinc plays an essential role in hair tissue growth and repair. It also helps keep the oil glands around the follicles working properly. Hair loss is a regular symptom of zinc deficiency.

Researches show zinc supplements decrease hair loss caused by zinc deficiency. Still, some anecdotal reports supplementing with too high of a dose can also add to hair loss.

For this purpose, it may be sufficient to get your zinc from whole foods like lentils: oysters, beef, spinach, wheat germ, and pumpkin seeds.

8. Protein

Hair is made almost solely of protein. Eating enough is necessary for hair growth. Animal studies prove that protein deficiency may reduce hair growth and also lead to hair loss.