Trusted by experts and families like yours
"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."
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For Kids
Kids' TLC Starter Pack
Daily nutrition plus support for digestion, gut health & immunity.
The "No Junk"™ Kids’ Multi
Support for mood, behavior & picky eating.
Kids’ Nighttime Reset Magnesium
Melatonin-free support for relaxation & sleep.
Kids' 3-in-1 Pre+ Post+ Probiotic
To support immunity, digestion, and oral health.
Kids' Dream Team Starter Pack
Day and night support for growing kids. Ages 4-12.
For Teens
Teens' Defense Starter Pack
Supplements nutrition while also supporting skin health & immunity.
The "No Junk"™ Teens’ Multi
Support for motivation, energy & immunity.
Teens' 3-in-1 Pre+ Post+ Probiotic
To support immunity, digestion, and skin health.
Teens' Dream Team Starter Pack
Nutritional support for motivated days and calm nights. Ages 13+
Teens’ Nighttime Reset Magnesium
Melatonin-free support for relaxation & sleep.
For Toddlers
The "No Junk"™ Toddlers' Multi
Helps fill missing nutrients in young children.
Toddlers' 3-in-1 Pre+ Post+ Probiotic
For softer, easier to pass stools.
For Women
Women's Wellness Starter Pack
Helps combat exhaustion while promoting gut health, immunity and vaginal health.
The "No Junk"™ Women’s Multi
Support for energy, skin & hair health.
Women's 3-in-1 Pre+ Post+ Probiotic
To support immunity, digestion, and bloating.
Women's Dream Team Starter Pack
Helps fight daytime exhaustion and nighttime stress. Ages 18+
Women’s Nighttime Reset Magnesium
Melatonin-free support for relaxation & sleep.
For Men
Men's Power-Up Starter Pack
Perform your best with enhanced nutrition & muscle strength.
The "No Junk"™ Men’s Multi
Power-packed nutrition for men.
Men's 3-in-1 Pre+ Post+ Probiotic
To support immunity, digestion, and recovery.
Men's Dream Team Starter Pack
Nutrition to help make it through the workday, and wind down afterwards. Ages 18+
Men’s Nighttime Reset Calming Magnesium Refill Pouch
Nighttime relief from stressful work days. Ages 18+
Why Customers Choose First Day
500+ clinicians share this on FrontrowMD without compensation.
Try it with a 45-day guarantee
We want First Day to earn its place in your routine. If it's not the right fit, you can request a full refund within 45 days.*
Helps fill your daily nutrient gaps
Even well-intentioned diets can fall short. First Day helps fill common nutrition gaps with essential vitamins designed to support daily health.
Delicious and Research Backed
Our product was crafted with input from leading scientists at Harvard and Yale, combining the latest research with high-quality ingredients to deliver a multivitamin parents can trust.
Our Stories
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