🚨 Due to the high demand, August has a very high risk of selling out!
Life Changing Results from Doctors and Real Customers
"These vitamins are exactly what I recommend to parents looking for quality nutrition."
Dr. Lei Chen
MD, MHS at Yale University
"These are the best tasting vitamins I ever purchased. It feels like I am having a treat. These are the only ones so far that my kids like too."
Diana V.
Verified Purchaser
"A revolutionary approach to children's health."
As seen on
"We choose partners carefully, and First Day’s dedication to research, formulation integrity, and transparent quality practices makes them a brand we’re proud to align with."
Dr. Ed Giovannucci
MD, MPH, ScD at Harvard University
of parents see improved health & wellness
of kids ask for their vitamins daily
customer satisfaction rate
Why Should You Choose First Day?
Made for modern families living on modern diets, we’re here to fill the nutrition gaps that today’s food often leaves behind.
