biotine guide complet data-src=

5 min


The article in a few key points

Biotin, or vitamin B8, has a beneficial influence on the proper functioning of the nervous system, the liver, cutaneous and mucosal cells and even on visual acuity.

It is easily prescribed to treat dietary deficiencies, and is found in certain foods.

Deficiencies are uncommon, but can lead to serious consequences if not treated in time.

Its benefits are multiple and beneficial for our body as well as for our hair.

Among the 13 vitamins available in the body, vitamin B8 has a very special place. Its role is preponderant in skin and hair development , as well as in strengthening heart health and cognitive functions.

Biotin accelerates chemical interactions in the body to protect it from childhood to adulthood.

Focus on this amazing vitamin, which the body cannot do without!


What is biotin?

Biotin is also known as vitamin B8, vitamin B7 or vitamin H. It is an organic substance belonging to the water-soluble vitamin family.

By fulfilling its role as a coenzyme, it participates in the metabolism of fatty acids, carbohydrates and other amino acids in the body. It also allows the biosynthesis between vitamins B9 and B12 for more efficient molecular development in the body.

Biotin comes from the Greek word “biotos” meaning “life” ; this substance has a beneficial influence on the proper functioning of the nervous system, the liver, the mucocutaneous cells and even on visual acuity.

Vitamin B8 is usually prescribed to prevent or treat a deficiency.

The main sources of biotin

An unbalanced diet is often the main reason for the appearance of biotin deficiency. Generally, rebalancing your diet and maintaining it over time makes it possible to regulate your biotin level in the blood and increase it. Indeed, vitamin B8 is found in many everyday foods with a biotin intake varying depending on the nature of the product:

  • Beer yeast ;
  • Eggs ;
  • Certain fruits, notably bananas;
  • The mushrooms ;
  • The lawyer.

If diet is often blamed for a B8 deficiency, it is because food processing will make biotin less effective, or even inactive... Which reminds us that nature does things well! This is why we advise you to favor fresh foods and consume them quickly to preserve the natural potential of the foods.

We recommend you


Hair Formula

Complete formula based on 7 active ingredients including patented keratin, to promote the growth and strengthening of your hair.

  • ✅ Synergistic formula
  • ✅ Patented keratin
  • ✅ Plant extracts
  • ✅ 1 month of treatment
See the product

Biotin deficiency: what are the consequences?

Biotin deficiency is rare in our modern societies. It can result from a too strict diet or a genetic problem. The appearance of a skin lesion is one of the first alarming signals. Sometimes vitamin B8 deficiency takes a serious form associated with hallucinations or anxiety attacks.

A biotin deficiency can also have consequences on hair quality leading to a reduction in hair volume leading to hair loss.

High cholesterol levels and the development of heart problems are two other consequences of a vitamin B8 deficiency.

What are the benefits of biotin?

Regular biotin supplementation brings many benefits to the body:

It promotes the beauty of hair and skin

Vitamin B8 plays a major role in hair and skin development.

First of all, it improves hair growth and vitality from root to tip. Indeed, by allowing good blood circulation to the scalp, this mineral ensures hair growth. It can therefore be recommended in the event of hair loss .

Biotin also regulates the sebum emitted naturally to give you radiant hair .

It also improves the structure of keratin , a major component of hair, thanks to which it is strengthened.

Additionally, biotin has the power to improve the overall condition of the skin. First of all because it helps reduce irritation and skin rashes. Biotin represents a real ally against skin aging . It deeply hydrates the skin and protects it from cellular oxidation.

Finally, it also has an action on the beard and on the nails ! While reinforcing the latter, it prevents them from splitting and prevents them from breakage.

It promotes heart health

A healthy heart helps limit the risk of heart attack, heart attack or any other cardiovascular disease. Vitamin B8 reduces the level of cholesterol in the blood, responsible for the loss of elasticity of the arteries. Blocked, they no longer fulfill their essential function, namely vascularizing the heart muscle and improving blood transmission.

It is beneficial during pregnancy

Taking vitamin B8 daily during pregnancy could prevent congenital malformations such as spina bifida , which is a malformation of the vertebral arches in the newborn.

The reduction of infections and the boost in energy are also the benefits of vitamin B8, ensured by a respected and regular dosage during the 9 months of gestation.

It promotes brain function

Vitamin B8 improves concentration and memory . It helps maintain active brain activity and promotes oxygenation of the brain through better circulation of calories in the blood. Biotin intervenes directly in the nervous system to think, perceive or understand more intuitively and effectively.

It helps reduce stress

Vitamin B is very effective in combating stress and panic attacks. Allied in the production of hormones such as serotonin and melatonin, it contributes to the proper functioning of the nervous system and rebalances morale.

How to choose the right biotin supplement?

Energy, resistance to stress, skin and hair comfort... Choosing the right food supplement is essential to guarantee the positive effects of vitamin B8 on the body. The criteria to be respected are the traceability of the product and its formulation to avoid any addition of additives and promote a quality composition and visible results.

Supplementation is done by taking biotin capsules. Integrating perfectly with other vitamins and minerals, vitamin B8 is generally included in a multivitamin formula .

The recommended nutritional intakes are:

  • 25 to 45 micrograms/day in children;
  • 50 micrograms/day in adults and the elderly.

Taking too much vitamin B8 is not recommended and can cause many disorders such as skin problems. Overdose of this vitamin can also create false positives when diagnosing thyroid by blood test.

Biotin: contraindications

The health disadvantages of biotin are relatively low. This is why there are few contraindications or dangers of vitamin B8.

For any individual with a medical history, the advice of a healthcare professional is essential.

Share this article

Related to the article

Recommended products

Continue reading


Benefits of hyaluronic acid: 10 preconceived ideas

Read more

5 min


How to prepare your skin for the sun?

Read more

7 min


What is the Best Probiotic? Our Advice and Opinions (2024)

Read more

9 min