Vitamin B1 for Hair Growth & Hair Health: Benefits, Studies

Published on November 9, 2021. Last Updated on December 7, 2021.

What is Vitamin B1: Vitamin B1, also known as thiamine or thiamin, is a water-soluble vitamin found naturally in some foods, fortified foods, as well as oral supplements. Vitamin B1, or thiamin, plays a critical role in the growth and function of many cells. It is one of the vitamins which help the body convert food (carbohydrates) into fuel (glucose), which the body uses to produce energy. More so, thiamin is needed for the body to create ATP, which every cell of the body uses for energy. Is vitamin B1 for hair growth a possible factor? Vitamin B1 for hair is currently being studied for its possible benefits. Learn more about vitamin B1 benefits for hair, as well as scientific studies and reviews which support these claims.

Vitamin B1 Benefits for Hair Growth & Hair Health

Pork chops, which contain a high amount of healthy Vitamin B1 AKA Thiamine, can help aid hair growth and hair health.
Pork chops, which contain a high amount of healthy Vitamin B1 AKA Thiamine, can help aid hair growth and hair health.

Vitamin B1 received its name because it was the first B vitamin to be discovered.

There is only a small amount of vitamin B1 stored within the liver, so a regular daily intake of vitamin B1 is needed to ensure regular hair health and hair growth.

Due to vitamin B1 or thiamine being critical in helping our bodies convert food to usable energy for our cells, vitamin B1 has many possible benefits for hair health, hair growth, and scalp health in general.

As we grow older, the body produces less energy, and oxidative damage from the effects of aging takes place and begins to add up. This is where vitamin B1 comes in.

Vitamin B1 Helps Blood Flow to the Scalp & Hair Follicles

As mentioned before, vitamin B1 helps blood vessels dilate so that blood can flow better, to help oxygen and nutrients reach all parts of the body, including the scalp, hair follicle, and hair strands. Whereas narrow blood vessels may restrict flow, causing the scalp to dry out, leading to dandruff and dry or brittle hair, vitamin B1 helps do the opposite: to ensure a healthy scalp, blood flow, and healthy, moisturized, and strong hair.

Vitamin B1 as an Antioxidant for Hair Health

Additionally, vitamin B1 is a potent antioxidant, which can help bind to free radicals to help prevent oxidative damage to the hair and scalp that comes from aging. Therefore if you are looking to keep your hair looking healthy and young, and free from the effects of greying or thinning from aging, making sure you are receiving enough vitamin B1 in your diet is recommended.

Some of vitamin B1’s benefits for hair growth and hair health include:

  1. Improves metabolism
  2. Stops brittle and dry hair
  3. Reduces effects of aging
  4. Relieves stress and stress-related hair loss

Vitamin B1, Metabolism, & Hair Health

Vitamin B1 helps the body metabolize or convert food into energy. As the body gets older, metabolism rate falls, and vitamin B1 intake can help boost body metabolism back to standard levels. Although most people would only associate metabolism with weight gain or weight loss, it is important to remember that the hair and scalp are still a part of the body and requires plenty of nutrition and energy to grow. Therefore, having a healthy and optimal metabolism can possibly lead to better hair health and hair growth in general.

Additionally, vitamin B1 also helps relieve stress and stress-related hair loss as it is a natural relaxant.

Vitamin B1 Helps Regulate Mood, Prevent Stress-Related Hair Loss or Hair Thinning

For example, in a 1999 published review on “The Effects of Nutrients on Mood,” thiamine or vitamin B1 was studied and reported as a critical micronutrient associated with mood and feelings of well-being. The study goes on to state that “a deficiency of many micro-nutrients [in particular thiamine and iron] is associated with poorer mood.”

More so, the study continues to cite another case where “taking 10 mg of thiamine, for six weeks, was associated with greater feelings of well-being, and less fatigue, in a group of elderly Irish females living in the community.” In addition to this, the study also references another study that states how “an improvement in thiamine status was associated with reports of being more clear-headed, composed, and energetic.”

Although there has not been too many studies and reviews that directly associate vitamin B1 or thiamine with hair growth or hair health, these studies show that there may be at least an indirect relationship between thiamine or vitamin B1 with hair growth, and hair health, whether it be due to vitamin B1’s role as an antioxidant, a regulator of metabolism, or as a mood stabilizer.

It is important to note that all of these key factors do directly come into play when it comes to hair health, and hair growth – such as stress – for example – that can lead to noticeable hair loss, hair thinning, or premature hair greying if left untreated. Therefore, if you are looking to help combat hair loss, hair thinning, or want to help your hair grow and reach its maximum potential in terms of health and beauty, adding vitamin B1 supplements to your diet or eating more foods with vitamin B1 may help.

Vitamin B1 Infused Gashee Recommended for Hair Health - Dr. UGRO GASHEE Hair Health ProductsDr. UGro Gashee Shop Now Button: Dr.UGRO Gashee Natural Oral Hair Supplements for Better Hair Health

Symptoms of Vitamin B1 Deficiency

Although vitamin B1 or thiamin deficiency is rare in developed countries, there can be certain cases of vitamin B1 deficiency, with higher prevalence in alcoholics, those with Crohn’s Disease, anorexia, or undergoing kidney dialysis. Symptoms of vitamin B1 deficiency include:

  1. Headache
  2. Nausea
  3. Weight Loss
  4. Confusion & Memory Loss
  5. Muscle Weakness
  6. Peripheral Neuropathy
  7. Lowered Immune System Response
  8. Irritability
  9. Depression
  10. Abdominal Discomfort
  11. Thin Hair

Due to these symptoms, it is recommended to meet the daily recommended values of vitamin B1 or thiamine intake – especially so if you are prioritizing hair health and hair growth as limited intake of vitamin B1 or thiamine can easily lead to hair loss or thinning hair.

Vitamin B1 Safety Profile

According to the EWG, vitamin B1 or thiamine scores a 1-2 on the safety score sheet, which states that it has no risks or dangers for cancer, developmental and reproductive toxicity, and a slight risk for allergies and immunotoxicity, depending on usage.

Vitamin B1 Recommended Dosage for Hair Health

According to Harvard, the recommended dietary allowance (RDA) for men aged 19 and older is 1.2 mg of vitamin B1 daily and 1.1 mg for women.

For women who are pregnant or in lactation, the amount of recommended vitamin B1 is 1.4 mg daily.

Maximum Recommended Intake of Vitamin B1

According to the same Harvard study, there is no tolerable upper intake level (UL) or maximum recommended limit for vitamin B1 because there is a lack of report of the negative effects of high thiamin intake.

If the body takes an excessively high intake of vitamin B1, most of it will be flushed down in excess through urine. Due to this, there is no established toxic level of vitamin B1.

Although this is the case, it is not recommended to go exceedingly above the normal recommended levels of vitamin B1 daily intake.

Foods High in Vitamin B1 for Hair Health

One serving of salmon meets 48% of the DV for vitamin B1 or thiamine, essential for hair growth and development.
One serving of salmon meets 48% of the DV for vitamin B1 or thiamine, essential for hair growth and development.

Vitamin B1 can be found in animal foods, such as pork, beef, poultry, and organ meats, some vegetables, beans, rice, and more. Examples of foods high in vitamin B1 are meats, fish, and whole grains. Some healthy foods high in vitamin B1 ranked in highest to lowest DV% include:

  • Lean Pork Chops (96% DV)
  • Salmon (48% DV)
  • Flax Seeds (39% DV)
  • Navy Beans (36% DV)
  • Green Peas (35% DV)
  • Firm Tofu (33% DV)
  • Brown Rice (30% DV)
  • Acorn Squash (29% DV)
  • Asparagus (24% DV)
  • Mussels (21% DV)

More so, it is important to note that vitamin B1, or thiamin, is “destroyed with high-heat cooking or long cooking times.”

Vitamin B1 or thiamin also leaches into the water and will be lost in any cooking or soaking water that is thrown out. Vitamin B1 or thiamin is also lost in processed bread and rice – this is why vitamin B1 or thiamin is generally added back to many processed breads, cereals, and grains, to enrich them with this essential vitamin.

Vitamin B1 Supplements for Hair

Vitamin B1 supplements are also available for hair growth or to optimize hair health. Before taking them, you should beware that there are potential side effects and interactions with medications – and that you should take dietary vitamin B1 supplements only under the supervision of a knowledgeable health care provider.

Thiamin or vitamin B1 is generally safe, although extremely high doses can cause upset stomachs.

More so, taking any one of the B vitamins for a long period of time may result in an imbalance of other important B vitamins. Due to this, it is recommended to take a vitamin B supplement which balances out all the B vitamins for optimal hair growth.

Harness The Power of Vitamin B1 in Dr.UGro Natural GASHEE Oral Hair Supplements

Vitamin B1, as well as other essential B-vitamins, minerals, and extracts essential to hair growth are among the many powerful plant-based ingredients found in Dr.UGro Gashee Oral Hair Supplements. Gashee Oral Supplements have been carefully formulated with the most effective dosage of vitamin B1 and other vitamins, minerals, and ingredients to help maximize effects on your hair growth and hair health. To help increase the feel and appearance of hair density, thickness, and volume, or to help regrow hair loss or aid hair growth, take 4 capsules a day.

Vitamin B1 Infused Dr.UGRO GASHEE - Natural Oral Supplements for Hair HealthDr. UGro Gashee Shop Now Button: Vitamin B1 Infused GASHEE Natural Hair Oral Supplements

VIDEO: Dr. UGro Gashee: Before & After Results of Copper-Infused GASHEE

Dealing with hair loss, or other symptoms of deteriorating hair health, such as balding, receding hairline, thinning hair, and more is not easy.

Hair, like the rest of our bodies, constitutes a vital part of our happiness and self-identity.

Fortunately, if you are going through these symptoms of hair loss, there is hope.

There have been many success stories with Dr.UGro Gashee Hair Products where other products or medicines had failed to deliver results.

One of these incredible real-life success stories is Ana. Here is her story.

Ana’s Story: From Prevailing Against Cancer to Prevailing Against Hair Loss

Ana, a long-time resident of Orange County, has a powerful story to tell. Although Ana had survived breast cancer over a year ago, life began to throw another challenge at her. In short, after months of chemotherapy, Ana’s hair grew back, but to her dismay, the texture and tone of her hair had “considerably changed.”

After chemotherapy, Ana noticed that her hair had “lost its luster,” and was “breaking” faster than before. Due to this, Ana was not able to grow her hair long or build volume with her natural hair.

One of the stories Ana recounted, regarding her experience in dealing with this situation, was that she used to hide her “patchy hair” by wearing hats, hair scarves, and headbands so that others wouldn’t see her hair. Yet, once it was up to this point, Ana knew it was time to look for help.

Ana tried many different doctors and pharmaceutical medications, but none of them seemed to give her the results she desired.

Yet, finally, after trial and error, Ana’s husband was able to find Dr.U’s website and after exploring her options, decided to use Dr.U’s natural and holistic plant-based GASHEE Productsto spectacular results.

Ana Before and After Results of UGRO GASHEE Hair Health Topicals
Ana’s Before and After Results of Dr.UGRO GASHEE Hair Health Vitamin B1-Infused Oral Supplements after several months of use*.

How Ana Turned It All Around: Natural Hair Health Results with GASHEE Products

It didn’t take long for GASHEE Products to show their results. Within 2 months’ time, Ana was already seeing noticeable results and differences in her hair, which can be seen in the before and after picture results above, as well as the before and after video shown below.

In short, she was speechless! The GASHEE Botanical Hair Topical Lotion that she used was actually working. Where many other products and medicines did not work, GASHEE had helped Ana regain her shine and luster previously missing from her hair – with considerable growth in length and volume as well.

Within a few months, Ana’s hair had come back to life. See her results in the before and after video below:


Dr. UGro Gashee Oral Supplements Natural Hair Growth Results: Before and after several months of consistent usage. Note how after a few months of regular use, Ana was able to regrow much of her hair at considerable length and thickness, achieving an improved volume of hair that was not possible before.

To see and learn more about other satisfied and happy Gashee Users, follow the link here.

What Can Vitamin B1-Infused GASHEE Do For You?

Ana, and many others’ success stories with GASHEE, and their hair health, can be yours too. If you are currently experiencing hair loss, or other symptoms associated with hair loss such as hair thinning, receding hairline, balding patches, or more, try Dr.UGro GASHEE Products now and see what natural plant-based power can do for you.

Shop now to experience what Dr.UGro All-Natural Gashee Hair Products can do for your hair.

Related Articles on Hair Loss & Hair Health

For additional information regarding hair loss and hair-health-related ingredients that you may find useful, visit the new articles below.


  1. Almohanna, H., Ahmed, A., Tsatalis, J. and Tosti, A., 2021. The Role of Vitamins and Minerals in Hair Loss: A Review.
  2. PI, L., NG, n., IV, Z. and SV, Z., 2021. Antioxidant properties of thiamine. [online] PubMed. Available at: <> [Accessed 9 November 2021].
  3. 2021. [online] Available at: <> [Accessed 9 November 2021].
  4. The Nutrition Source. 2021. Thiamin – Vitamin B1. [online] Available at: <> [Accessed 6 November 2021].
  5. EWG. 2021. EWG Skin Deep® | What is VITAMIN B1. [online] Available at: <> [Accessed 6 November 2021].

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