Our D-BIOTIN is the NATURALLY OCCURRING, BIOLOGICALLY ACTIVE B VITAMIN, absorbed 50% more by the body. โ ๐๐๐ง๐๐ฉ๐, ๐ฉ๐๐๐๐ก ๐๐ข๐ฅ๐ ๐จ๐๐: Our biotin is formulated in the UK and is vegan, vegetarian and gluten-free.