Sellers at Tesco are third party sellers we have invited to sell on Tesco direct. These are companies we’ve selected to provide you with a wider range of products to choose from in one place. They are a mixture of well-known high street retailers and specialist retailers who operate online. Plus, you earn Clubcard points on all seller orders.
Seller deliveries & returns
Delivery times and costs vary by seller - further details are shown on the product pages and at checkout.
If Click & Collect is available from a seller, it will also show on the product page and at checkout.
The delivery and return of seller items is managed by each seller. For further details, or if you have a question about the delivery or return of a seller product, please use the Seller directory to find the seller’s ‘help’ page.
"Biotin N105 Biotin is a member of the B group of vitamins, and helps maintain healthy skin, hair and nails. It is essential for the metabolism of fats and protein. Recommended Intake - One tablet daily as a food supplement. What does it do? Biotin is water-soluble. It has various functions in your body: It participates in the metabolism of fat, carbohydrates and certain amino acids It helps to produce and store energy It works alongside the hormone insulin to help control blood sugar levels It helps maintain healthy skin, hair and nails Why might you choose to take extra Biotin? If you have taken antibiotics recently, or are on a long-term prescription. Their use greatly disrupts the intestinal flora, whose health and balance is necessary for the synthesis of biotin."