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Unlock Your Teen’s Potential with the Right Nutrition
Teens today face more pressure than ever—long school days, piles of homework, and constant distractions.
If your teen is struggling with focus, motivation, or energy, it might not just be a “teen attitude” thing. Nutrient gaps could be playing a role.
"My kid was out of control and not listening in school. Since starting these, I’ve seen dramatic changes in her mood, attitude, and grades."
The First Day Impact
See how Teens' Daily Kickstart is making a difference for teens everywhere.
The Missing Link
Many teens aren’t getting enough of the key vitamins and minerals to stay energized, balanced, and focused—making school feel even harder.
And even if they eat a balanced diet, they still might not be getting what they need. Modern food just isn’t as nutrient-rich as it used to be.
Due to modern agricultural practices and vanishing nutrients, even healthy diets can leave gaps.
Less nutrition = more struggles.
Luckily, there’s an easy way to help.
Introducing...
Teens' Daily Kickstart
A science‒backed teen formula designed to:*
- Support stress & mood balance
- Provide essential nutrients for lasting energy (without caffeine)
- Provide brain‒boosting nutrients and fill nutrient gaps
With the right nutrients on board, teens can feel more confident, engaged, and motivated—without the burnout.
Packed with 12 Brain-Boosting Nutrients for Teens
Not all vitamins are created equal.
We've worked with leading medical experts to ensure your teen gets essential, research‒backed nutrients for brain health and emotional balance.
Approved by Physicians. Backed by Science.
We’ve crafted a formula specifically for teens, using the latest nutritional science to support their unique needs—like focus, energy, sleep, mood, and overall wellness.
Our ingredients are carefully selected and based on research to help close common nutrient gaps during this critical stage of growth and development.
Parents and doctors agree—our vitamins make a real difference in teens' health.
"When I choose vitamins, I consider their quality and safety records, ingredients, dosage, and testing protocol. First Day has created an excellent supplement for children."
Leann Poston M.D, M.Ed, MBA, Pediatrician and Medical Educator
Over 800,000 Parents Are Helping Their Teens Reach Their Full Potential
Scientifically designed to fight nutrient deficiencies that can lead to unbalanced moods, energy slumps, and difficulty concentrating.*
"My husband and I could both tell a change in the first two weeks. What's better is that even our daughter could tell a difference. She felt better about herself, her attitude improved and as a result her focus and school work also improved."
Tiffany w.
Verified Purchaser
"These vitamins have made a huge difference in my busy teens lives. My daughter was always battling some type of illness from school - she hasn't been sick once this year! My boys have less frequent mood swings. We are subscribers for life! I recommend this product to all of my mom friends!"
Missy S.
Verified Purchaser
"Within the first week, I noticed a difference in her mood. She seems more balanced now, happier in the mornings, and less tired. We will continue to use these vitamins from now on. It gives me peace knowing she's getting the nutrients she needs."
Lennie S.
Verified Purchaser
My 16 y/o daughter plays multiple sports and was literally drained all the time. Because of her schedule, she doesn’t always eat properly, so I started her on these two months ago and see a drastic improvement in her energy level! Secondly, their customer service has been fantastic!
Michele R.
Verified Purchaser
Experts Love Us!
Our scientific mentors are leading doctors, scientists, and most importantly parents. They help guide First Day's mission to build a better future for families everywhere.
Dr. Ed Giovannucci, MD, MPH, ScD
HARVARD UNIVERSITY
Dr. Giovannucci is a professor of Nutrition and Epidemiology at the Harvard School of Medicine.
In 1984, Dr. Giovannucci graduated with his medical degree from the University of Pittsburgh. He then spent the next 8 years at Harvard, working for his Doctor of Science Degree. Since then, he has climbed to the top of his field.
Dr. Lei Chen, MD, MHS
YALE UNIVERSITY
Dr. Chen is a renowned pediatrician who works at Yale University.
In 1997, he graduated with his Medical Degree from New York University. He spent his time at the Yale School of Medicine, as well as the Yale‒New Haven Children's Hospital. He also graduated with a Masters of Health Science from the Yale School of Medicine in 2010.
Don't Wait - Help Your Teen Feel Their Best Today.
School isn’t getting any easier, and teens deserve all the support they can get.
A simple, science-backed habit could make a real difference in their energy, focus, and motivation.
And with a 45-day money-back guarantee, there’s zero risk in giving it a try.**
**We offer a 45‒day satisfaction guarantee for returns. It covers 45 days starting from the day that you place an order and includes only the very first purchase of any product so that families can try our gummies ‒ for any reason you aren't happy with your vitamins. Please note that we will refund up to $100 so that you can try up to 3 bottles of our gummies risk free. If you would like to order more than 3 bottles in your first order, we recommend that you ordering less so that your family can try them first. Thanks so much for your understanding!
† Based on a survey of First Day customers
*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.