I did in internet search for the best toddler vitamin to help my 4 year old who is a picky eater, lacks all the nutrients he needs, and is having behavioral issues due to it….. First Day was the top recommended, and within a week I could tell they were a miracle vitamin……. I have tried several other vitamins and nothing compares at all…. We just had a new baby and I will most definitely be introducing her to them as well!!!