Nutritional Deficiencies and Hair Loss


Nutritional Deficiencies and Hair Loss

Are you experiencing hair loss and don’t know why? Have you been to the doctor and still can’t find an answer? Then, consider looking at your diet. Certain nutritional deficiencies are causing your hair loss. This blog post will discuss the most common nutrient deficiencies that can cause hair loss and how to treat them.


Hair loss can be a frustrating and embarrassing experience, and it is often linked to nutritional deficiencies. Deficiencies in vitamins and minerals such as iron, vitamin D, folate, and vitamin B12 can contribute to hair loss. In this article, we’ll look at the connection between dietary inadequacies and hair loss, and some preventative steps you may take to lower your risk. Next, we will discuss the causes of nutritional deficiencies, their associated signs and symptoms, and how to reduce your risk of developing them. Finally, we will provide tips for preventing hair loss due to nutritional deficiencies.

Vitamin and Mineral Deficiencies

Hair loss may result from a vitamin and mineral deficiency. Iron, vitamin D, folate, vitamin B2 (riboflavin), biotin, and selenium deficiencies are linked to hair loss. Red blood cells need oxygen to function correctly in the body, which iron helps them carry out. For healthy hair growth, strong bones, and teeth, vitamin D aids in calcium absorption. Folate promotes healthy hair development and aids in cell repair. Red blood cells, essential for healthy hair development, are formed with the support of vitamin B2, which also assists in producing energy in cells. Biotin helps strengthen the keratin structure of the hair shaft, while selenium is essential for healthy thyroid gland functioning, which can play a role in preventing hair loss. Additionally, cutting calories too low could lead to nutrient deficiencies that cause thinning hair. Recognizing the signs of nutritional deficiencies can help you identify potential causes of thinning hair or hair loss.

Iron Deficiency and Hair Loss

One of the most prevalent nutritional deficiencies associated with hair loss is iron deficiency. Iron is essential for producing haemoglobin, the oxygen-carrying protein that fuels hair growth. Low haemoglobin levels can lead to anaemia, which can cause various symptoms, including hair loss. Iron deficiency anaemia is more common in women than men, particularly in women with hair loss. Fortunately, most cases of hair loss due to iron deficiency can be reversed with proper nutrition and supplementation. For those experiencing hair loss, it’s important to check your iron levels to ensure you’re getting enough of this essential mineral.

Vitamin D Deficiency and Hair Loss

Alopecia areata and male pattern baldness are two hair loss issues thought to be exacerbated by vitamin D deficiency. This is because low vitamin D levels could impair the keratinocytes’ ability to operate generally in hair follicles, hence preventing hair development. The good news is that vitamin D deficiency-related hair loss is typically treatable; once vitamin D levels are raised, hair follicles should start usually working once more. Risk factors for vitamin D deficiency include inadequate sun exposure and low levels of certain nutrients in the diet, so it’s vital to ensure that you’re getting enough of these essential vitamins and minerals if you’re trying to prevent or reverse hair loss.

Folate Deficiency and Hair Loss

Folate (Vitamin B9) is essential for maintaining healthy hair growth and preventing loss. Studies have indicated that folate deficiency can be linked to hair loss in both men and women. However, a survey by Durusoy et al. demonstrated that trichodynia in diffuse hair loss is not associated with serum levels of zinc, folate, or Vitamin B12. Also, dietary supplements containing biotin, folic acid, and other vitamins and minerals can encourage healthy hair development by preserving normal levels of these vital elements. Alopecia areata patients were also shown to have lower vitamin A levels, which shows that consuming enough vitamin A may help to prevent or lessen the severity of this disorder. Therefore, it is essential to ensure the proper information on folate for those at risk for nutritional deficiencies related to hair loss.

Vitamin B12 Deficiency and Hair Loss

Vitamin B12 is another nutrient that has been linked to hair loss. Low levels of vitamin B12 can interfere with the growth of hair follicles, resulting in thinning hair and hair loss. While no clinical studies have proven this connection, some research suggests that deficiencies in riboflavin, biotin, folate, and vitamin B12 may contribute to hair loss. If you are experiencing hair loss and suspect a B12 lack may be the culprit, speaking with a doctor to rule out any serious underlying health problems is essential. A multivitamin can help ensure you have the right balance of vitamins and minerals to maintain healthy hair. Eating a balanced diet of fruits and vegetables can also help boost your vitamin B12 levels naturally.

Selenium Deficiency and Hair Loss

Selenium is an essential mineral that helps to maintain healthy hair. Studies have shown that too much selenium can contribute to hair loss, although more research is needed. Selenium has powerful antioxidant properties that aid in metabolism, which helps keep hormones balanced and may help stop hair loss caused by an iodine deficiency. However, it has also been linked to other vitamin and mineral defects that can result in hair loss and thinning. Consuming foods high in selenium, such as Brazil nuts, seafood, poultry, eggs, and whole grains, is crucial to preventing selenium deficiency-related hair loss. You can assist in maintaining healthy hair by eating enough of this mineral and avoiding other dietary deficits.

You’ve Cut Calories

If you’ve recently cut calories to lose weight, this could cause hair loss. Crash diets and malnutrition can lead to nutrient deficiencies, hurting your hair. Calorie-cutting can cause acute telogen effluvium (TE), a well-known form of hair loss associated with sudden weight loss. You need adequate calories and protein to nourish your hair follicles, so if you’ve been reducing your calorie intake, this could be the cause of your thinning hair. You must get all the necessary vitamins and minerals from your diet to keep your hair healthy.

Other Health Conditions

In addition to the deficiencies discussed earlier, other health conditions can cause or contribute to hair loss. Hair loss in patches or thinning can be brought on by thyroid conditions like hypothyroidism and hyperthyroidism. Diabetes can also cause hair loss, and those with the disease may begin losing their hair earlier than those without. Some autoimmune diseases, such as lupus and alopecia areata, can cause hair loss. Stress can also contribute to hair loss, so managing stress levels and finding healthy coping methods is essential.

Preventive Measures

Eating a balanced diet that contains all the necessary vitamins, minerals, and proteins is the best method to stop hair loss caused by nutritional deficiencies. Additionally, if you are on any medications that may be causing hair loss, speak with your doctor to find out if there are any alternatives or ways to reduce the side effects. Sometimes, hair loss due to nutritional deficiency can be reversed with proper diet and supplementation. Try increasing your intake of iron, vitamin C, and zinc-rich foods. Eating foods such as eggs, nuts, beans, and dark leafy greens can help you maintain healthy levels of these nutrients. A multivitamin can also help ensure you get all the nutrients you need for healthy hair growth. Finally, staying hydrated is essential by drinking plenty of water and limiting your intake of caffeinated and sugary drinks.

How can I treat my hair loss?

Various factors, including vitamin and mineral deficiencies, nutrient deficiencies, hormonal imbalances, stress and other conditions, can cause hair loss. To treat hair loss, it is essential to identify the underlying cause. For example, if a vitamin or mineral deficiency is causing hair loss, replenishing those levels with vitamins or minerals may help promote hair regrowth. A balanced diet that includes foods high in these critical nutrients is just as crucial as taking supplements of vitamins and minerals necessary for hair development, such as Vitamin C, E, and Vitamin D. Medications like minoxidil (Rogaine), which can aid in fostering new hair growth, is one of the other therapies for hair loss. In cases of female pattern hair loss or male pattern baldness where the cause may not be easily identified or treated with diet and supplements alone, medications such as finasteride may be prescribed by a doctor to help slow the progression of hair thinning. Lastly, it is essential to maintain good scalp health by using natural oils such as jojoba oil or coconut oil and avoiding harsh chemicals that can damage the follicles and lead to further shedding.

What Supplements Can Be Taken for Hair Loss?

Hair loss is a common issue that affects many people, and one of the leading causes of hair loss is vitamin deficiency. Vitamins and minerals are essential in maintaining healthy hair, and deficiencies can cause hair loss or lead to thinning hair. Vitamins such as Vitamin C, Vitamin E, Vitamin B12, and Vitamin D are essential for healthy hair growth. Deficiencies in these vitamins have been linked to hair loss so supplements may benefit those suffering from this condition. Nutrient deficiencies can also contribute to hair loss, including iron deficiency anaemia and zinc deficiencies. Eating a balanced diet rich in nutrients is the best way to ensure you get all the necessary vitamins and minerals for healthy hair growth. In addition to diet changes, you may consider adding specific supplements that promote healthy hair growth, such as biotin or vitamin B7, which have been shown to help with regrowth in some cases.

How Much Hair Loss is Normal?

How much hair loss is average? Generally, it is considered normal to lose up to 100 hairs daily. However, excessive hair loss can indicate an underlying health issue or vitamin deficiency. Vitamins and minerals play an essential role in healthy hair growth. A deficiency in vitamins such as vitamins C, E, D, and B12 can cause hair loss. Nutrient deficiencies such as iron and zinc are also known to cause hair loss. Identifying underlying weaknesses that can lead to hair shedding or thinning is essential before beginning any treatment or regrowth plan. It is also vital to ensure your levels of vitamins and minerals are balanced for healthy hair growth. Taking vitamin supplements or adjusting your diet may be necessary to reach optimal levels of these essential nutrients for healthy hair growth.

How can I treat my hair loss?

Hair loss can have a variety of causes, including deficiencies in vitamins and minerals. Vitamin deficiencies can cause hair loss by preventing the healthy growth of new hair follicles. Nutritional deficiencies, such as iron and zinc deficiency, can also lead to hair loss. Vitamins C, E, D, and B12 are essential for healthy hair growth, and low levels of these vitamins can contribute to hair thinning or shedding. Treating hair loss involves restoring nutrient levels in the body to normal levels through supplementation or dietary changes.

Additionally, medications may be prescribed to stimulate hair regrowth. For example, vitamin D supplements may help with female pattern hair loss, while vitamin B7 (biotin) improves the quality of existing hair and aid in healthy hair growth. Finally, treating underlying medical conditions that could be causing the deficiency is essential in treating hair loss.

How Can I Add These Vitamins Into My Diet?

Adding vitamins to your diet is a great way to prevent hair loss and other nutritional deficiencies. Vitamins C, E, and D are essential for maintaining healthy hair and preventing defects that can cause hair loss. Vitamin D plays a vital role in the health of hair follicles, so ensuring adequate levels of vitamin D through supplementation or foods like fatty fish is a good idea. Additionally, vitamin B12 has been linked to hair growth and even new hair follicles, while iron deficiency may play a role in female pattern hair loss. Zinc deficiencies are uncommon but can lead to stunted hair growth or even telogen odour, so it’s essential to ensure you get enough zinc through foods like dairy products and oysters. Finally, vitamin A supplementation can aid in healthy hair growth and reduce inflammation associated with certain types of hair loss. By incorporating these vitamins into your diet, you can help promote healthy hair regrowth and avoid any nutrient deficiencies that could be causing your symptoms.

What Supplements Can Be Taken for Hair Loss?

Hair loss can have many factors, including deficiencies in vitamins and minerals. Getting the proper vitamins and minerals in your diet is crucial since nutrient shortages can result in hair loss. While deficits in zinc and iron can also lead to hair loss, vitamins C, E, B12, and D are essential for healthy hair growth. Vitamin deficiency causes hair loss by affecting the health of the hair follicle. Low vitamin levels lead to a weakened immune system which attacks the hair follicles, causing them to shrink and eventually stop producing healthy hair. Hair regrowth can be achieved through supplementing with these essential vitamins and minerals and treating any underlying conditions that could be causing the deficiency. Additionally, there are several topical treatments available that can help stimulate new hair follicles and aid regrowth. Ultimately, understanding your body’s needs and ensuring you get enough nutrients is vital for promoting healthy hair growth.

How Much Hair Loss is Normal?

Hair loss is a normal part of life, and everyone experiences it to some degree. Most people lose between 50 to 100 hairs daily, but some can lose more than this due to certain deficiencies. Vitamin deficiency is one of the most common causes of hair loss as it affects the health of the hair follicle, which can lead to thinning or total hair loss. Vitamins and minerals play an essential role in maintaining healthy hair growth, so deficiencies in these can result in hair loss. Vitamins C, E and D are essential vitamins that help promote healthy hair growth and prevent shedding. However, nutrient deficiencies can also lead to hair loss, so ensuring you get enough iron, zinc and B vitamins is crucial in preventing excessive shedding. In addition, treating underlying vitamin deficiencies is essential to prevent further hair loss and promote regrowth.

How You Fix a Vitamin Deficiency

Vitamin deficiencies can cause hair loss, and understanding the role of vitamins and minerals in maintaining healthy hair is essential. Vitamin C, E, and D deficiencies have all been linked to hair loss. Additionally, nutritional deficiencies such as zinc or iron can lead to hair loss. To treat these vitamin deficiencies, it is essential to identify the underlying cause of the fault. Low Vitamin D levels are common causes of hair loss, so ensuring adequate levels through supplements or dietary changes may help with regrowth. Other vitamins like Vitamin B12 and Vitamin B6 may also promote hair growth and prevent further shedding. Eating a well-balanced diet rich in vitamins and minerals can help ensure that nutrient deficiencies do not lead to hair loss. Additionally, supplementing with specific vitamins can aid in treating female pattern hair loss, male pattern baldness, and other types of thinning or shedding associated with vitamin deficiencies. By addressing any underlying vitamin deficiencies that may be causing your hair loss, you can take steps toward encouraging healthy regrowth and restoring your average head of hair.


In conclusion, nutritional deficiencies can be associated with hair loss. Vitamin and mineral deficiencies, such as iron, folate, vitamin D, B12 and selenium, can all lead to hair loss. Additionally, decreased caloric intake can also cause hair loss. It is important to note that nutritional deficiencies are only one factor in hair loss, and other health conditions may also be at play. Consuming enough necessary minerals and proteins is best to avoid hair loss caused by vitamin or other nutritional deficits. Supplemental vitamin D has been demonstrated to encourage hair development in certain patients whose vitamin D deficiency is causing hair loss. It is always advised to see a doctor if you think you might be losing hair due to a deficiency or another health issue.

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