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A Modern Take On Kids' Nutrition
Even the healthiest diets leave gaps. Our pediatrician-approved, science-backed formula delivers the essential nutrients your child actually needs—without the junk.
NO Artificial Flavors or Dyes
NO Monkfruit or Other Artificial Sugars
A Modern Take On Kids' Nutrition
Even the healthiest diets leave gaps. Our pediatrician-approved, science-backed formula delivers the essential nutrients your child actually needs—without the junk.
NO Artificial Flavors or Dyes
NO Monkfruit or Other Artificial Sugars
Pediatrician-Approved
Science-Backed
5,000+ Reviews
Extra Support for Learning, Growth, and Well-Being
Even with a well-balanced diet, there’s always room to do more to support your child’s development.
Their bodies and brains are constantly growing, adapting, and facing new challenges—why not give them the best possible foundation?
How Do You Know If They're Getting Enough?
Kids are growing and changing every day, and sometimes their needs shift in ways that aren’t obvious.
From mood and focus to sleep and energy, nutrition plays a bigger role than you might think.
Unbalanced Mood & Behavior
May be missing essential B vitamins, which help support emotional regulation and neurotransmitter function.
When these nutrients are lacking, kids may experience increased irritability, mood swings, or difficulty managing emotions.
Poor Sleep Habits
May be missing Vitamin B6 & D3, which play key roles in supporting restful sleep.
These nutrients help regulate melatonin production and promote relaxation, making it easier for kids to wind down and stay asleep through the night.
Difficulty Concentrating
May be missing critical B vitamins, which support brain function and cognitive clarity. These nutrients help convert food into energy, keeping kids alert, focused, and ready to learn.
Our formula is designed with precision, ensuring kids get exactly what they need, in forms their bodies can actually use—without unnecessary megadoses or poor ingredient pairings.
Picky Eating Habits
May be missing Vitamin B12 & B6, which are essential for appetite regulation and nutrient absorption.
When these vitamins are low, kids may develop stronger food aversions and struggle to get the variety of nutrients they need from their diet.
Weakened Immunity & Frequent Colds
May be missing Vitamin C & D3, which are crucial for maintaining a strong immune system.
These nutrients help the body fight off common colds, support overall resilience, and promote a faster recovery when illness strikes.
Kids' Daily Enrichment
The Most Advanced Multivitamin for Growing Kids
Many kids' multivitamins rely on outdated formulas filled with sugar and synthetic fillers without addressing key nutrient gaps in most modern diets.
Our science-backed formula delivers 9 essential vitamins to target brain health, immunity, sleep, behavior, and overall well-being.*
Only The Good Stuff Inside.
Packed with 9 essential organic vitamins to help fill nutrient gaps that support things like behavior, immunity, sleep, and energy.*
What Sets Us Apart?
Precision Formulation for Smarter Nutrition
Smarter Dosing, Not Overloading
Many kids’ vitamins overload nutrients—sometimes 3000% of the daily value—which can lead to overconsumption risks.*
We focus on the right amounts, ensuring kids get what they need without excess.
Science-Backed Nutrient Choices
Our approach is based on research, ensuring kids get nutrients in the form their bodies can actually use.
One example of this is that instead of folic acid, we use methylfolate, a more absorbable form that supports healthy development.*
Nutrients Still Need Balance — We Get It Right
Many kids multivitamins take a more is better approach, packing in excessive amounts of nutrients without considering how they interact.
But nutrients don’t work in isolation—some compete for absorption, while others can build up in the body unnecessarily.*
Our formula is designed with precision, ensuring kids get exactly what they need, in forms their bodies can actually use—without unnecessary megadoses or poor ingredient pairings.
82%
Saw improved moodiness, irritability & sleep.¹
88%
Saw improved digestion from their child taking the Multi and Probiotic together¹
¹Based on a survey of First Day customers.
97%
Prefer First Day over other vitamins they've tried in the past.¹
82%
Saw an improvement in their child's overall behavior¹
82%
saw improved moodiness, irritability & sleep.¹
97%
prefer First Day over other vitamins they've tried in the past.¹
97%
prefer First Day over other vitamins they've tried in the past.¹
97%
prefer First Day over other vitamins they've tried in the past.¹
¹Based on a survey of First Day customers.
No Junk
Vegan & Non-GMO
Made with clean, responsibly sourced ingredients.
Zero Artificial Sugars
No high-fructose corn syrup, sugar alcohols, or artificial sweeteners—including monk fruit, which is 200x sweeter than sugar and can alter taste preferences.*
Free of the 9 Most Common Allergens
No Peanuts, Tree Nuts, Dairy, Soy, Wheat, Eggs, Fish, Shellfish, or Sesame
Over 800,000 Happy Customers
A Blend of Organic Ingredients Designed to Support:*
Brain Health
With Vitamin B1 for brain health and Vitamin B2 for focus support, these gummies help kids stay focused and attentive, supporting cognitive function and clarity.
Balanced Moods
Vitamin B6 and Vitamin B1 play a key role in brain health and emotional balance, helping to stabilize moods and reduce irritability in kids.*
Better Sleep Habits
Vitamin B6 supports natural energy regulation, promoting healthier sleep patterns and making it easier for kids to get restful sleep.*
Boosted Immunity
Vitamin C and Vitamin D3 are essential for a strong immune system, providing the nutrients kids need to defend against common colds and other illnesses.*
Healthy Habits Made Easy
A daily ritual kids look forward to, with the nutrients they need and the simplicity parents love.
Just 2 delicious gummies a day
Subscribe & save for convenient deliveries
No prep - fits seamlessly into busy mornings.