If you've explored the world of beauty and nutrition supplements, you've probably come across biotin.
It's frequently included in products marketed towards people interested in haircare, skincare and general wellbeing.
But beyond the advertising, what does biotin actually do?
What is biotin?
Biotin, also known as vitamin B7, is a water-soluble vitamin belonging to the B vitamin family.
It's required in small amounts and contributes to several normal processes within the body, including the metabolism of nutrients.
Although biotin is frequently associated with beauty products, its biological functions extend beyond skin and hair.
How does biotin contribute to normal hair?
Biotin contributes to the maintenance of normal hair.
This is an authorised health claim in Great Britain, subject to the product meeting the relevant conditions.
However, it's important to understand what this means.
The claim does not mean that taking additional biotin will automatically make hair grow faster, become thicker or reverse hair loss.
Hair health can be influenced by many factors, including genetics, age, medical conditions and overall nutrition.
Anyone experiencing unexplained or significant hair loss should seek appropriate medical advice rather than relying on supplements alone.
What about biotin and skin?
Biotin also contributes to the maintenance of normal skin.
Skin is a complex organ, and its condition is affected by many factors. These include nutrition, hydration, environmental exposure and individual health circumstances.
Biotin plays a recognised nutritional role, but this should not be confused with a promise that taking a biotin supplement will eliminate wrinkles, acne or dry skin.
Which foods contain biotin?
Biotin occurs naturally in a variety of foods, including eggs, nuts, seeds and some meat and fish products.
The NHS advises that most people should be able to obtain sufficient biotin through a varied and balanced diet.
A supplement is not automatically necessary simply because biotin is associated with normal skin and hair.
Is more biotin always better?
No.
Nutrients are important because the body needs them in appropriate amounts, not because increasingly large quantities necessarily produce greater benefits.
High-dose biotin can interfere with certain laboratory blood tests. Tell your healthcare professional about any biotin-containing supplements before testing.
Why Nutryx includes biotin
Nutryx Nutrition's premium marine collagen powder combines marine collagen peptides with biotin and vitamin B12.
Each recommended 10g serving provides:
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Marine collagen peptides from cod: 10g
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Biotin: 75µg (150% NRV)
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Vitamin B12: 3µg (120% NRV)
Biotin contributes to the maintenance of normal skin and hair, while vitamin B12 contributes to the reduction of tiredness and fatigue.
Important allergen information: Nutryx Marine Collagen Powder is labelled as containing fish (cod) and crustacean shellfish allergens. It is unsuitable for anyone allergic to either.
Discover our Nutryx Premium Marine Collagen Powder and explore the ingredients behind our formula.
Food supplements should not replace a varied, balanced diet and healthy lifestyle. Always follow the recommended usage instructions.
Want to understand more about the main ingredient in our formula? Read our guide to marine collagen peptides.
