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6 Biggest Vitamin Deficiencies That Cause Hair Loss

Sarah Radford
Written By Sarah Radford
Nutrition Editor
Original Publish Date: Jun 2, 2024, 10:28 AM
Last updated: Sep 11, 2024, 11:40 AM
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which vitamin deficiency causes hair loss
View all Contents
  • Understanding the Root of the Problem
  • Iron
    • Foods High in Iron
  • Zinc
    • Foods High in Zinc
  • Vitamin D
    • Foods High in Vitamin D
  • Biotin
    • Foods High in Biotin
  • Omega-3 Fatty Acids
    • Foods High in Omega-3 Fatty Acids
  • Vitamin E
    • Foods High in Vitamin E
  • The Role of Adequate Nutrition
  • What to Do Next?

Have you ever noticed more hair than usual in your brush or shower drain and wondered what’s up? Before you stress out (which, by the way, could make it worse), let’s talk about something often overlooked but potentially easy to fix: vitamin deficiencies. Yes, what you eat—or don’t eat—can impact your luscious locks more than you might think.

Understanding the Root of the Problem

Hair loss isn’t just about vanity; it’s a genuine concern that can affect your self-esteem. While it’s common to lose anywhere from 50 to 100 hairs a day, losing more could be a sign that something’s off internally. One of the less-discussed reasons for hair thinning or loss is vitamin deficiency. It’s not the usual suspect, like genetics or age, but it’s equally significant.

Iron

Iron deficiency is one of the top nutritional culprits behind hair loss. It’s particularly common among women, especially those who experience heavy periods or have recently had a baby. Iron is crucial because it helps carry oxygen in the bloodstream to your cells, including those that stimulate hair growth. When iron levels drop, your body prioritizes vital organs over your hair follicles. The result? Slower hair growth and increased shedding.

Foods High in Iron

 

Foods High in Iron

 

If you suspect low iron might be your issue, consider having a chat with your healthcare provider about getting your levels checked. In the meantime, incorporating iron-rich foods like lean meats, beans, and spinach into your meals can help. Combining these with vitamin C-rich foods like oranges or bell peppers can boost iron absorption.

Zinc

Zinc is another nutrient that’s vital for healthy hair. It plays a key role in hair tissue growth and repair. It also helps keep the oil glands around your follicles working correctly. Low levels of zinc can lead to thinning or lost hair. If you’re not getting enough zinc from your diet, or if you have digestive issues that affect how you absorb nutrients, your hair could be impacted.

Foods High in Zinc

 

Foods High in Zinc

 

You can get zinc from a variety of foods, including beef, pumpkin seeds, and lentils. If you’re considering a supplement, it’s best to discuss it with a healthcare provider since too much zinc can also cause hair loss—it’s all about balance.

Vitamin D

Low levels of vitamin D are linked to several health issues, including hair loss. Vitamin D is important because it stimulates old and new hair follicles. When your body doesn’t have enough, hair growth can be stunted. A lot of us don’t get enough vitamin D; it’s hard to absorb from food, and if you live in a place with long winters, you’re not getting much from sunlight either.

Foods High in Vitamin D

 

Foods High in Vitamin D

 

To boost your vitamin D, try to get about 10-30 minutes of midday sunlight several times a week. Foods like fatty fish, fortified foods, and egg yolks also contain vitamin D. Supplements can be an effective way to ensure you’re getting enough, especially if you’re at a higher risk for deficiency.



Biotin

Biotin (vitamin B7) is well-known in the beauty industry for its role in healthy hair and nail growth. Deficiency isn’t common since biotin is widely available in food, but if you’re experiencing hair loss, it’s worth considering your biotin intake. Symptoms of biotin deficiency include hair thinning and a scaly red rash.

Foods High in Biotin

 

Foods High in Biotin

 

Egg yolks, nuts, soybeans, and whole grains are good sources of biotin. While biotin supplements are popular, they aren’t necessary for everyone and should be taken with care as they can interfere with lab tests.

Omega-3 Fatty Acids

Omega-3 fatty acids aren’t just good for your heart; they’re also essential for maintaining a healthy scalp. A healthy scalp is the bedrock of healthy hair growth. Omega-3s provide oils that keep your scalp and hair hydrated. A lack of these essential nutrients can lead to dry scalp and dull hair.

Foods High in Omega-3 Fatty Acids

 

Foods High in Omega-3 Fatty Acids
Selection of healthy food for heart, life concept, selective focus.

 

Foods rich in omega-3 include flaxseeds, walnuts, sardines, and salmon. If fish isn’t a regular part of your diet, considering a fish oil supplement might be worthwhile. Just remember, balance is key, and it’s always good to discuss supplementation with your healthcare provider to tailor it to your needs.

Vitamin E

Vitamin E is a powerful antioxidant that can help protect your skin, including your scalp, from environmental damage. It also has anti-inflammatory properties that can support scalp health and thereby foster an ideal environment for hair growth.

Foods High in Vitamin E

 

Foods High in Vitamin E

 

You can boost your Vitamin E intake by including foods like almonds, spinach, and sweet potatoes in your diet. For some, taking a Vitamin E supplement helps, but it’s crucial to consider your overall diet and nutritional needs before adding supplements.

The Role of Adequate Nutrition

It’s clear that nutrition plays a pivotal role in maintaining healthy hair. Before jumping to conclusions or treatments for hair loss, reviewing your dietary habits might be a good first step. A well-rounded diet rich in vitamins, minerals, and antioxidants can support hair growth and overall health more effectively than any topical treatment.

What to Do Next?

If you’re experiencing significant hair loss, it might be a good idea to consult with a healthcare professional to rule out other underlying causes, such as hormonal imbalances, thyroid issues, or other medical conditions. A blood test can also provide a comprehensive view of what might be going on nutritionally.

For those looking to boost their dietary intake, focusing on a diverse diet filled with a variety of nutrients is a practical approach. Remember, while the occasional bad hair day is normal, noticeable changes in your hair’s texture, thickness, or growth rate are worth paying attention to.

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Contributors

Sarah Radford
Sarah Radford
Nutrition Editor
Sarah Radford combines her skills in writing, CrossFit, and nutrition as an expert contributor for the Supplement Institute. Her writing aims to simplify the world of wellness and nutrition, making it easily digestible for her readers.
Vitamins
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