24 Apr 2024

What Vitamin Deficiencies Cause Hair Loss?

Hair loss is a complex issue that affects countless millions. Whatever the age, sex or ethnicity, hair loss is a prevalent problem all over the world. And from illness and stress to lifestyle choices and genetics, the reasons behind hair loss are as diverse as the individuals experiencing it. Among these causes, the role played by vitamins in maintaining healthy hair is important. Vitamins are the building blocks of the strong and beautiful locks we all want. Their absence can lead to weak and brittle strands, poor growth and eventually, hair fall. So, what vitamin deficiencies cause hair loss? And what practical solutions can integrate hair vitamins into our routine? Here’s the lowdown.

What Vitamin Deficiencies Cause Hair Loss?

Vitamin A

Vitamin A plays a vital role in maintaining great hair health. It helps your overall wellbeing by supporting the immune system and cells require it to reproduce and grow. “A” also helps glands produce sebum, the oil needed to keep our scalps in good condition. A key study found that a Vitamin A deficiency can cause hair loss. Incorporating “A” rich foods such as eggs, leafy greens and carrots into your diet helps maintain levels. But you need to be careful. For Vitamin A is stored by the body in fatty tissues and the liver for later use. Too much “A” over time accumulates and then can cause hypervitaminosis A, which is linked with hair loss too! Recommended daily intake is 0.6mg.

The Power of Vitamin B7


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Vitamin B7, also known as Biotin, is esteemed for its importance in promoting healthy hair growth. Biotin does two things very well when it comes to hair health. Firstly, it plays a vital role in converting food into energy. And secondly, it helps your body produce keratin, the building block protein found in hair, skin and nails. Biotin deficiency has long been associated with skin issues, brittle nails, and you guessed it, hair loss. Nuts, seeds, lean meats and leafy greens are good sources of Biotin. Complementing your biotin efforts with Hair Gain Hair Capsules and Hair Gummies provides a convenient and effective way to ensure an adequate intake of this key hair vitamin, making it easier to support healthy hair from within.

Vitamin C

A deficiency in Vitamin C wreaks havoc with the immune system. This leads to higher susceptibility to infections, inflammation and autoimmune disorders. Bad news for your general health and bad news for your hair and scalp too! It is also vital for collagen production, which is the main component of connective tissue in the body. It’s believed that collagen is converted into keratin (the building block of hair mentioned above). So, “C” is very important for maintaining the structure of hair follicles.

Vitamin C also has been shown to reduce the production of DHT. This is a hormone that causes hair follicles to shrink and become less efficient at fostering healthy hair growth. Without adequate “C”, hair will become fragile and brittle and more prone to fall. Citrus fruits, peppers and broccoli can boost your intake. And again, you’ll find Vitamin C in Hair Gain Hair Capsules and Hair Gummies!

Vitamin D


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There has been some debate about the effect of Vitamin D on hair loss. However, in recent years, more evidence has come to light about “D” which points to its importance to hair health. It’s now believed that the vitamin is involved in various signalling pathways within the hair follicle during the hair growth cycle, and really comes into its own in the crucial anagen (growing) phase. Recent studies have also shown that a deficiency in Vitamin D is linked to various hair loss conditions. “D” is known as the sunshine vitamin. And the best way to boost your levels is to spend time outdoors in sunlight. This will trigger the production of the vitamin in the skin. Just 15-20 minutes will do the trick, no need to risk sunburn!

Vitamin E

Another essential hair vitamin. “E” is a powerful antioxidant which protects hair follicles from oxidative stress. This is caused when there are too many free radicals bouncing around in your body. Free radicals are unstable molecules that we all have. They can cause damage to tissue, organs, the skin, and yes, hair! We rely on antioxidants to keep them in check. A deficiency in Vitamin E can lead to oxidative stress, which can affect the health of the scalp and the structure of the hair follicles. Almonds, sunflower seeds, spinach and avocados are rich in “E”, and you’ll also find it in Hair Gain Hair Capsules and Hair Gummies.

What Vitamin Deficiencies Cause Hair Loss – Final Thoughts


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Understanding the role vitamins play in the health of the scalp and hair (as well as your general wellbeing) is very important in tackling hair issues. While they don’t answer every hair health problem, keeping vitamin levels where they need to be and addressing deficiencies should form part of everyone’s hair regimen, especially for those of us combatting thin hair or fall. 

Hair Gain Hair Capsules and Hair Gummies are scientifically formulated with a blend of key hair vitamins, minerals (and of course the mighty AnaGain™ ingredient) to promote healthy hair growth and fight hair loss. Incorporating them into your daily routine can help span any gaps between your diet and your hair’s nutritional needs, nourishing your hair and scalp from within. Meanwhile, look after your locks on the outside with Hair Gain’s amazing range of topicals – Hair Gain Hair Mask, Scalp Foam and the game changing new Peptide Puff™ dry shampoo.


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