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    First Day

    First Day

    Activate up to 5.0% Cash Back

    First Day is a science-first wellness brand for modern families. Our one-of-a-kind kid's multivitamin was developed with pediatricians and epidemiologists from Harvard and Yale. Our focus is on helping parents raise healthy, happy families.

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    • Subscription Purchase Up to 5.0% Cash Back
    • One-Time Purchase Up to 2.5% Cash Back

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    About First Day

    First Day is a science-first wellness brand for modern families. Our one-of-a-kind kid's multivitamin was developed with pediatricians and epidemiologists from Harvard and Yale. Our focus is on helping parents raise healthy, happy families.

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