4.8 stars from 12,322+ reviewers

Up To 40% Of Teens Have The MTHFR Mutation, Is Your Teen Included?

Teens with the MTHFR gene aren't able to convert folic acid into its active form, which can lead to certain health risks. Thankfully, our vitamin includes methylated folate so your teen can fight irritability, tiredness, and low motivation.

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Alyssa Blossom

"Very happy with these vitamins!! They really seem to helping us with my teen's energy, sleep and her all‒around attitude is so much better!"

Alyssa Blossom
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Teens with the MTHFR gene aren't able to convert folic acid into its active form, which can lead to certain health risks. Thankfully, our vitamin includes methylated folate so your teen can fight irritability, tiredness, and low motivation.

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Skip To The Solution
Exclusive First Day 45 Day Money Back Guarantee**
Alyssa Blossom

"Very happy with these vitamins!! They really seem to helping us with my teen's energy, sleep and her all‒around attitude is so much better!"

Alyssa Blossom

What Folic Acid Buildup Can Look Like In Teens With MTHFR

If your teen still seems tired, foggy, or moody no matter how well they eat, the problem might not be their diet — it might be how their body processes what's in it. Here's what that can look like day to day.

What Folic Acid Buildup Can Look Like In Teens With MTHFR

If your teen still seems tired, foggy, or moody no matter how well they eat, the problem might not be their diet — it might be how their body processes what's in it. Here's what that can look like day to day.

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Stress & Mood Swings

With Vitamin B6 for mood regulation and Vitamin B12 for energy balance, these gummies help support emotional stability.*

Lack of Motivation

Packed with Vitamin B1 for brain health and Vitamin B2 for cognitive support - to help your teen stay on track while they balance school, sports, and everything in between.*
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Bad Skin

Vitamin A and Vitamin E support skin health, helping teens maintain a clear and balanced complexion.

Weakened Immunity

With immune-supporting Vitamin C and D3, plus key B vitamins that help keep their systems running smoothly. Our formula helps build a strong foundation to tackle whatever the day throws at them.

Poor Sleep Habits

Vitamin D3 and Magnesium work together to encourage restful sleep, so kids wake up refreshed and ready to conquer their goals.*

Picky Eating

Vitamin A and Vitamin B9 support cell growth and development, helping to fill in nutritional gaps that teens may have when they only want junk food or continue to skip meals.*

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The Science Behind Our Multivitamin

How This Helps*

Low levels of certain B vitamins can affect brain function and attention. During busy school days, this can make it harder to concentrate, stay sharp, or process new info.

🧠 Vitamin B1 supports brain signaling and memory.

🪄 Vitamin B2 helps maintain healthy nerve function.

🧬 Vitamin B6 plays a role in neurotransmitter production.

The "No Junk"™ Teens’ Multi

The "No Junk"™ Teens’ Multi Daily Gummies For Improved Motivation & Mood

A unique organic fruit and veggie blend, plus 12 key nutrients.

Flavor: 🍊 Orange

Improve Overall Health & Nutrition Improve Overall Health & Nutrition
98%

of parents say First Day vitamins support their teen's overall health & nutrition.†

Boost Mood & Motivation Boost Mood & Motivation
83%

of customers say First Day vitamins support their teens' overall mood & behavior, and saw improved motivation for school.†

Promote Clear Skin Promote Clear Skin
75%

said they saw an improvement to skin health, including reduced acne.†

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30 Servings Per Bottle

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12 Servings of Electrolyte Drink Mix For The Whole Family.

Rapid Hydration Electrolyte Support - Gift
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The Teens' Daily Focus Brain Support dietary supplement features blue and teal packaging with 60 gummies per container and two yellow gummies in front, providing focus support designed specifically for teens.

Teens' Daily Focus Brain Support

Support for focus, learning, and memory recall.

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A container labeled Teens’ Nighttime Reset Magnesium sits upright, with two berry-shaped red gummies beside it. The label states No Junk and the calming supplement for teens includes 60 magnesium gummies.

Teens’ Nighttime Reset Magnesium

Melatonin-free support for relaxation & sleep.

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First Day - Teens' 3-in-1 Pre+ Post+ Probiotic

First Day - Teens' 3-in-1 Pre+ Post+ Probiotic

To support immunity, digestion, and skin health.

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Ingredients

We are thoughtful about the ingredients we select, use REAL organic fruits & vegetables, and keep out long lists of ingredients that can't even be pronounced.

Organic Superfood Blend: Organic Superfood Blend: Apple, Kale, Broccoli, Spinach, Carrot, Parsley, Beet, Green Cabbage, Raspberry, Blueberry, Strawberry, Tomato, Aronia Berry, Chlorella, Maca, Moringa, Reishi Mushroom, Cordyceps Mushroom, Lion's Mane Mushroom, Turmeric, Ginger

Other Ingredients: Tapioca Syrup‡, Cane Sugar‡, Water, Pectin, Citric Acid, Natural Flavors, Superfood Powdered Blend‡ (Apple‡, Kale‡, Broccoli‡, Spinach‡, Carrot‡, Parsley‡, Beet‡, Green Cabbage‡, Raspberry‡, Blueberry‡, Strawberry‡, Tomato‡, Aronia Berry‡, Chlorella‡, Maca‡, Moringa‡, Reishi Mushroom‡, Cordyceps Mushroom‡, Lion's Mane Mushroom‡, Turmeric‡, Ginger‡), Carrot and Blackcurrant and Red Bell Pepper Juice for Color.
‡Organic

Free From The Top 9 Allergens: We are dairy-free, soy-free, egg-free, gluten-free, peanut-free, tree nut-free, fish-free, shellfish-free, and sesame-free.
Supplement Facts
Supplement Facts
Subscription Details

You'll receive a stylish refillable bottle on your first order, then receive our eco-friendly refill pouches every 30 days on a physician-recommended schedule.

Plus, you'll receive these benefits:

  • Savings every single month.
  • Free shipping on your first order.
  • Easy management - skip or pause whenever you need.
  • VIP access to sales, gifts, early access & more.
  • Cancel anytime.
This Product is For Teens Ages 13 - 17
ToddlersAges 2 - 3
KidsAges 4 - 12
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🚨 Due to the high demand, July has a very high risk of selling out!

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Life Changing Results from Doctors and Real Customers

Dr. Lei Chen

"These vitamins are exactly what I recommend to parents looking for quality nutrition."

Dr. Lei Chen

MD, MHS at Yale University

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Diana V.

"These are the best tasting vitamins I ever purchased. It feels like I am having a treat. These are the only ones so far that my kids like too."

Diana V.

Verified Purchaser

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"A revolutionary approach to children's health."

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Dr. Ed Giovannucci

"We choose partners carefully, and First Day’s dedication to research, formulation integrity, and transparent quality practices makes them a brand we’re proud to align with."

Dr. Ed Giovannucci

MD, MPH, ScD at Harvard University

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95%
of parents see

improved health & wellness

95%
82%
of kids ask for

their vitamins daily

82%
97%
customer

satisfaction rate

97%

We Skipped Folic Acid. Why? Because Nearly Half Of Americans Can’t Properly Use It.

We Skipped Folic Acid. Why? Because Nearly Half Of Americans Can’t Properly Use It.

Fights Hidden Hunger

80% of children don't eat enough fruits and veggies, contributing to a nutrient deficiency known as hidden hunger. Our gummies fight hidden hunger with essential nutrients critical to development.

Developed Alongside Harvard & Yale Scientists

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.

Backed by Modern Science

Vitamin B6 supports natural energy regulation, promoting healthier sleep patterns and making it easier for kids to get restful sleep.*

Pediatrician-Approved

Recommended by pediatricians, our multivitamin is designed to meet the unique needs of your family ensuring they get the support they need from a trusted source.
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Clean Label Project® Purity Award

Our products were independently tested by Clean Label Project® for harmful chemicals like heavy metals, pesticides, and plasticizers, exceeding typical industry practices.

Ingredients Sourcing and Dosage

We source each ingredient with care, choosing only the highest quality vitamins and minerals. Our dosage is tailored for teens, providing safe and effective support without risking overuse or unwanted additives.

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Why Should You Choose First Day?

Made for modern families living on modern diets, we’re here to fill the nutrition gaps that today’s food often leaves behind.

First Day
Other Multis
Clean Label Certified
Research Backed
Surprise Gift with Purchase
No Fillers or Fake Ingredients
Vegan, Gluten-Free, Non-GMO

1 in 3 Families Have A Nutrient Deficiency.

I created First Day to address the massive concerns with todays diet and it's negative effects on our families.

  • The Average Person Consumes 52 Credit Cards’ Worth Of Microplastics Every Year.
  • Artificial Food Additives Are Found In 59% Of Foods Today
  • Fresh Fruits & Veggies Have Lost Up To 73% Of Their Nutrients

After learning about the massive amounts of sugar that were in typical kids multivitamins I reached out to 2 of the top researchers at Harvard and Yale. I explained my story to them, how I wanted to revolutionize the vitamin industry. After consulting with these experts to help us carefully formulate our vitamins, we are now a best selling multivitamin nationwide.

That's why we’re so confident First Day will help you get the results you want. If within the first 45 days you find yourself not completely satisfied, we’ll give you your money back - no questions asked.

Try Now
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I created First Day to address the massive concerns with todays diet and it's negative effects on our families.

  • The Average Person Consumes 52 Credit Cards’ Worth Of Microplastics Every Year.
  • Artificial Food Additives Are Found In 59% Of Foods Today
  • Fresh Fruits & Veggies Have Lost Up To 73% Of Their Nutrients

After learning about the massive amounts of sugar that were in typical kids multivitamins I reached out to 2 of the top researchers at Harvard and Yale. I explained my story to them, how I wanted to revolutionize the vitamin industry. After consulting with these experts to help us carefully formulate our vitamins, we are now a best selling multivitamin nationwide.

That's why we’re so confident First Day will help you get the results you want. If within the first 45 days you find yourself not completely satisfied, we’ll give you your money back - no questions asked.

Try Now