I've been using this multi vitamin for 2 months – just finished my first bottle and I love these. This is the only multi vitamin that I've taken that I can see and feel the results. These have definitely strengthened my nails, before my nails were thin and brittle for years and now they feel so strong. A huge benefit – these multi vitamins don't make me sick when most multi vitamins make me nauseous after taking them. This is a great supplement and replaces many other supplements and vitamins - BONUS is clean ingredients!