6 Vitamins for Hair Growth

The truth is that hair loss is a complex process that involves various genetic, hormonal and environmental mechanisms. Just like our skin, the hair follicle is subject to intrinsic and extrinsic aging. Intrinsic factors include our genetic and epigenetic mechanisms, and extrinsic factors include smoking and UV radiation.

Sometimes hair loss is due to a vitamin deficiency too. Luckily, a deficiency can be corrected by adding vitamin-rich foods to your diet or using supplementation. Some vitamins have antioxidant properties that help to fight the extrinsic factors of hair loss, and some vitamins help the body balance hormone levels, another factor that stops hair growth.

Try these healthy hair vitamins if you’re wonder how to thicken hair naturally.

1. Fish Oil

Oils rich in different fatty acid species have been used extensively in both animal and human studies to evaluate the effects on skin and hair health. Omega-3 fats nourish the hair, support hair thickening and reduce inflammation that can lead to hair loss, which is why fish oil benefits hair and is one of the top six vitamins for hair growth.

A 2015 study published in the Journal of Cosmetic Dermatology evaluated the effects of a six-month supplementation with omega-3, omega-6 and antioxidants on hair loss. In the randomized, comparative study, 120 healthy female subjects with female pattern hair loss participated. The primary endpoint was the change in hair density evaluated on standardized photographs, and the secondary endpoint included changes in active hair follicle percentage and diameter distribution of hair growth.

After six months of treatment, photograph assessment demonstrated a superior improvement in the supplemented group. Hair growth increased compared to the control group, and 89.9 percent of the participants reported a reduction in hair loss, as well as an improvement in hair diameter (86 percent) and hair density (87 percent). (1)

Eat omega-3 foods like salmon, mackerel, tuna, white fish, sardines, egg yolks, walnuts, hemp seeds and natto to reduce inflammation and balance hormones. If you don’t eat enough omega-3 foods, take one to two capsules or one tablespoon of a top-notch fish oil supplement to help reduce inflammation that causes hair disorders. If you already take blood-thinning medications, including aspirin, speak to your health care provider before using fish oil because it may increase bleeding.

2. Zinc

Oral zinc compounds have been used for decades for treating disorders such as telogen effluvium and alopecia areata, forms of hair loss, because of zinc benefits hair follicle health. Zinc is an essential co-factor for multiple enzymes and is involved with important functional activities in the hair follicle. Zinc is also a potent inhibitor of hair follicle regression, and it accelerates hair follicle recovery. Studies suggest that some alopecia areata patients have the zinc deficiency, and oral zinc sulfate therapy serves as an effective treatment.

In a 2013 study, researchers evaluated the role of zinc status in each of the four types of hair loss, including alopecia areata, male pattern hair loss, female pattern hair loss and telogen effluvium. In all of the hair loss patients, the mean serum zinc was significantly lower than the control group. The analysis of each group showed that all groups of hair loss had statistically lower zinc concentration, especially the alopecia areata group. The data led to the hypothesis of zinc metabolism disturbances playing a key role in hair loss.

3. B-Complex Vitamin (Biotin & B5)

Biotin and pantothenic acid (vitamin B5) have been used as alternative treatments for hair loss. Biotin benefits your hair by rebuilding hair shingles that have been damaged from over-shampooing, exposure to the sun, blow-drying and ironing. Vitamin B5 supports the adrenal glands, which helps stimulate hair growth.

A 2011 study published in the British Journal of Dermatology examined the ability of a leave-on combination including panthenol, the alcohol analog of pantothenic acid, to affect the diameter and behavior of individual terminal scalp hair fibers. The treatment significantly increased the diameter of individual, existing terminal scalp fibers. It also thickened hair fibers and increased the pliability, giving the hairs better ability to withstand force without breaking.

To reverse hair loss and increase hair strength, take one B-complex vitamin tablet daily or take biotin and vitamin B5 separately. Eating biotin and vitamin B5 foods, such as eggs, beef, chicken, avocado, legumes, nuts and potatoes, also helps you to avoid a deficiency and aid hair growth.

4. Vitamin C

Experimental evidence suggests that oxidative stress plays a major role in the aging process. Reactive oxygen species or free radicals are highly reactive molecules that can directly damage cellular structural membranes, lipids, proteins, and DNA.

With age, the production of free radicals increases and the number of antioxidative enzymes that defend the body decrease, leading to the damage of cellular structures and the aging of hair. By working as an antioxidant, vitamin C fights oxidative stress that contributes to hair graying and hair loss.

5. Iron

Several studies have examined the relationship between iron deficiency and hair loss, and some suggest that iron deficiency may be related to alopecia areata, androgenetic alopecia, telogen effluvium and diffuse hair loss.

To boost hair growth, add iron-rich foods into your diet every day. Eat plenty of spinach, Swiss chard, collard greens, egg yolks, beef steak, navy beans and black beans. Because an iron deficiency may lead to hair loss, ensure that you get your daily recommended amount by eating plenty of iron-rich foods and taking a daily multivitamin.

However, be wary of excessive iron supplementation. It can cause iron overload and should be avoided. Patients who don’t respond to iron replacement therapy should undergo additional testing to identify other underlying causes of iron deficiency and hair loss.

6. Vitamin D

Hair follicles are highly sensitive to hormones, and vitamin D is a hormone that plays an important role in calcium homeostasis, immune regulation and cell growth differentiation. In the scientific world, it’s well-known that alopecia areata is commonly found in patients with vitamin D deficiency, vitamin D-resistant rickets or vitamin D receptor mutation.

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