Trusted by experts and families like yours

95%
of parents see

improved health & wellness

95%
82%
of kids ask for

their vitamins daily

82%
97%
customer

satisfaction rate

97%
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Why Customers Choose First Day

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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.

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