Luvbiotics Advanced Formula with bionet technology is a unique blend of live cultures, premium extracts and proven ingredients for a healthier, happier you. Luvbiotics Hair & Nails includes 300% NRV of Biotin [150ug] for normal hair plus 300% NRV [165ug] of Selenium that is also scientifically proven - to support both normal hair and normal nails plus 100mg Bamboo extract to further support your daily regime. With 4.8 billion live cultures to support your overall health and wellbeing, you can take this product daily to support your hair & nails, keep you healthy and help you look and feel at your best.