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The Essentials,
Told Straight

The Essentials, Told Straight

Our Difference

To separate truth from fiction, our team of experts investigated thousands of clinical studies. That’s why we use the latest science and source the most absorbable ingredients from all around the world. The result: wellness essentials designed to complement your daily habits. Let’s make every day as important as the first.

Our Difference

To separate truth from fiction, our team of experts investigated thousands of clinical studies. That’s why we use the latest science and source the most absorbable ingredients from all around the world. The result: wellness essentials designed to complement your daily habits. Let’s make every day as important as the first.

Our Difference

To separate truth from fiction, our team of experts investigated thousands of clinical studies. That’s why we use the latest science and source the most absorbable ingredients from all around the world. The result: wellness essentials designed to complement your daily habits. Let’s make every day as important as the first.

Our Mission

At First Day, we're all about fresh starts, healthy lives, and wise choices. Our mission is to support you in raising a healthy, happy family. You and your family never stop growing, and we never stop demanding better. We promise to give back to families around the world.

Our Mission

At First Day, we're all about fresh starts, healthy lives, and wise choices. Our mission is to support you in raising a healthy, happy family. You and your family never stop growing, and we never stop demanding better. We promise to give back to families around the world.

Our Founders

We're Alice and Andy, two friends who grew up in California and studied at Yale and Stanford. We started First Day to ask the unaddressed questions in the wellness industry. What are supplements really doing for us? Why are they made the way they are? The average multivitamin uses outdated science from 50 years ago. We felt it was time for some answers.

Our Founders

We're Alice and Andy, two friends who grew up in California and studied at Yale and Stanford. We started First Day to ask the unaddressed questions in the wellness industry. What are supplements really doing for us? Why are they made the way they are? The average multivitamin uses outdated science from 50 years ago. We felt it was time for some answers.

Our Mission

At First Day, we're all about fresh starts, healthy lives, and wise choices. Our mission is to support you in raising a healthy, happy family. You and your family never stop growing, and we never stop demanding better.

Our Founders


We're Alice and Andy, two friends who grew up in California and studied at Yale and Stanford. We started First Day to ask the unaddressed questions in the wellness industry. What are supplements really doing for us? Why are they made the way they are? The average multivitamin uses outdated science from 50 years ago. We felt it was time for some answers.

Signature

Our Mentors

Science Microscope

They are leading doctors, scientists, and researchers. More importantly, they're parents. Our mentors help guide First Day's mission to build a better future for families and advise on the latest in proactive health and nutrition.

Dr. Ed Giovannucci, MD, MPH, ScD
Harvard University


Dr. Giovannucci researches the intricacies of how nutrition and lifestyle impact oncology. His son and daughter eat a healthy diet but still love chocolate.

Dr. Lei Chen, MD, MHS
Yale University


Dr. Chen is a professor and a practicing pediatrician. When he isn’t traveling the world to improve children’s healthcare, he builds kayaks for his twin sons.

Science Microscope

Our Mentors


They are leading doctors, scientists, and most importantly parents. Our mentors help guide First Day's mission to build a better future for families and advise on the latest in proactive health and nutrition.

Dr. Ed Giovannucci 
MD, MPH, ScD
Harvard University


Dr. Giovannucci researches the intricacies of how nutrition and lifestyle impact oncology. His son and daughter eat a healthy diet but still love chocolate.

Dr. Lei Chen 
MD, MHS
Yale University


Dr. Chen is a professor and a practicing pediatrician. When he isn’t traveling the world to improve children’s healthcare, he builds kayaks for his twin sons.

Science Microscope

Our Mentors

They are leading doctors, scientists, and researchers. More importantly, they're also parents. Our mentors help guide First Day's mission to build a better future for families and advise on the latest in proactive health and nutrition.

Dr. Ed Giovannucci, MD, MPH, ScD
Harvard University


Dr. Giovannucci researches the intricacies of how nutrition and lifestyle impact oncology. His son and daughter eat a healthy diet but still love chocolate.

Dr. Lei Chen, MD, MHS
Yale University


Dr. Chen is a professor and a practicing pediatrician in emergency medicine. When he isn’t traveling the world to improve children’s healthcare, he builds kayaks for his twin sons.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

© 2018 First Day Inc. All Rights Reserved | Terms of Service | Privacy Policy

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How We're Made

About Us

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Ingredients

Certification

FAQ

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These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

© 2018 First Day Inc. All Rights Reserved. | Terms of Service | Privacy Policy

Shop

How We're Made

About Us

Get $10

Ingredients

Certification

FAQ

Contact Us

Thanks!
This field is required

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

© 2018 First Day Inc. All Rights Reserved. | Terms of Service | Privacy Policy

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

© 2018 First Day Inc. All Rights Reserved.
Terms of Service | Privacy Policy