Biotin, also known as vitamin H, is a water-soluble B vitamin essential for proper energy metabolism and healthy skin, hair, and nails. Although it occurs naturally in many foods, it is also used as an active ingredient and nutraceutical ingredient due to its effectiveness and safety. In this article, we take an in-depth look at what biotin is, what role it plays in the pharmaceutical and nutraceutical fields, and we also clarify any doubts and concerns surrounding this nutrient.
The role of biotin
Biotin is an essential vitamin for the body, and when the body is unable to synthesize it in sufficient quantities, a medical specialist may recommend supplementation through careful nutrition or supplements. Its presence is essential because it is involved in numerous metabolic reactions, particularly in the synthesis of fatty acids, amino acids, and glucose, and contributes to the proper functioning of the nervous system.
In clinical and nutraceutical settings, biotin is used for:
- Support the health of skin, hair, and nails, reducing fragility and improving their structure.
- Support energy metabolism.
- Supplement deficient diets or compensate for drug treatments that reduce absorption (such as certain antibiotics or anticonvulsants).
Biotin as a pharmaceutical and nutraceutical ingredient
As an active ingredient (API), biotin is used in the formulation of drugs or supplements designed to combat vitamin deficiencies and improve the health of epithelial tissues. In the nutraceutical and food industry, it is used as a food ingredient in capsules, tablets, or functional drinks for hair and skin wellness. Its high tolerability and stability make it ideal for daily-use formulations.
Which foods contain biotin?
Biotin is naturally present in various plant and animal foods. Among the richest sources are:
- Eggs;
- nuts such as walnuts, almonds, and peanuts;
- legumes and grains;
- beef liver;
- salmon;
- vegetables such as spinach, cauliflower, and mushrooms;
- sweet potatoes;
- avocados.
A balanced diet is generally sufficient to ensure adequate biotin intake, which is why true deficiencies are quite rare and a doctor should always recommend supplementation.
Biotin and hair health
The association between biotin and hair health is one of the best-known in the world of nutraceuticals. Several clinical studies indicate that biotin can help strengthen the hair shaft, reduce hair loss, and improve shine, especially in individuals who are deficient or have an increased need for it.
It is important to emphasize that in healthy individuals without deficiencies, the effect is more one of maintenance and support than direct stimulation of growth, and that there is insufficient evidence that biotin supplementation alone can prevent hair loss. However, its presence is essential for the proper hair cycle and the regeneration of scalp cells.
Side effects and contraindications
Biotin is well-tolerated and does not pose any particular risks at the doses commonly used in supplements or medications. Side effects are rare and generally occur after taking very high doses, such as mild gastrointestinal disorders or temporary interference with specific laboratory tests (such as thyroxine or troponin dosage). In other cases, no clinically relevant contraindications have been observed, except in cases of hypersensitivity to the active ingredient.
Biotin and weight gain: myth or reality?
One of the most widespread myths about this nutrient concerns its alleged ability to promote weight gain. However, there is no scientific evidence to support this claim. In fact, biotin does not stimulate appetite or alter metabolism in a way that promotes fat accumulation: on the contrary, it is involved in the processes that convert carbohydrates, fats, and proteins into energy. Proper biotin supplementation can help improve metabolic efficiency, not increase body weight.
Flarer and biotin
An essential and versatile vitamin, biotin is a key ingredient in both the pharmaceutical and nutraceutical fields. At Flarer, we guarantee its distribution and supply with the highest standards of quality, safety, and traceability, supporting our partners in developing innovative and customized formulations.
Our team of consultants is available to provide technical assistance and tailor-made solutions for the supply and distribution of biotin. Contact us for advice.