4.8 stars from 12,322+ reviewers

Your Kid Can't Calm Down. That Ends Today.

Three products. One routine. Real calm from wake-up to lights out! No drugs, no hormones, no heavy metals, no artificial sugars, and no guessing.

Complete nervous system support from morning to midnight.

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Alyssa Blossom
My son is VERY picky but gets so excited to eat these. I unfortunately tried hiya first & wasted money because he would not eat them. I love that these are a gummy soft chewable.
Alyssa Blossom
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Three products. One routine. Real calm from wake-up to lights out! No drugs, no hormones, no heavy metals, no artificial sugars, and no guessing.

Complete nervous system support from morning to midnight.

Save Big Now
Exclusive First Day 45 Day Money Back Guarantee**
Alyssa Blossom
My son is VERY picky but gets so excited to eat these. I unfortunately tried hiya first & wasted money because he would not eat them. I love that these are a gummy soft chewable.
Alyssa Blossom

One Routine. A Whole New Kid. Without Melatonin.

One Routine. A Whole New Kid. Without Melatonin.

A container labeled first day Teens Multi + Superfoods with 60 gummies, described as a daily supplement with organic superfoods and multivitamins. Two gummies, one brown and one orange, are shown next to the container.

Morning "No Junk"™ Kids' Multi

9 essential nutrients + 21 organic superfoods build the daily foundation for a regulated nervous system. B vitamins fuel the neurotransmitters behind mood balance, while Reishi and Lion's Mane mushrooms support relaxation and calm behavior through the school day.
Blue container of 'first day' nighttime reset magnesium supplement with gummies on a white background

Bedtime Kid Calming Magnesium

Chelated Magnesium Citrate + 100mg Suntheanine® — the patented, clinically studied L-theanine shown specifically in kids to promote relaxation and better sleep quality. Zero melatonin hormones. No morning grogginess. No dependency.
A white and blue resealable pouch labeled “first day Rapid Hydration Electrolyte Support” stands next to a matching single-serve packet. The pouch highlights natural lemon & lime flavor and hydration benefits.

Anytime Hydration Support

12 sticks of family-friendly electrolyte hydration mix. Dehydration is a hidden driver of irritability, poor focus, and fatigue in kids. Keeping electrolytes balanced throughout the day supports the whole system — and makes the multi and magnesium work even better.

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Melatonin Can Cause Mood Disturbances, Irritability, and Nightmares. We don't use it.

A Healthier Approach

Most parents don't realize this. Melatonin is not a nutrient — it's the same hormone your child's brain is supposed to produce on its own. There are zero long-term studies on its effects on children's development, and the common side effects aren't small.

Our Nighttime Reset uses Magnesium Citrate and clinically-studied Suntheanine® instead — ingredients that work with your child's body, not override it.

✓ Hormone-free
✓ Clinically studied in kids
✓ No morning grogginess
✓ Supports natural sleep cycle
✓ Clean Label Certified

Calm Kids Welcome Offer

Calm Kids Welcome Offer

A First Day exclusive bundle at the guaranteed best price we offer. Included is our best selling "No Junk" Kids' Multivitamin and Kids Nighttime Reset Magnesium.

Now 40% off + Free Gift with Purchase Rapid Hydration Electrolyte Support (12 sticks included) for better all day hydration (one gift per purchases above $70).

Get Up To 52% OFF
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Quantity

30 Servings Per Bottle

Enjoy free shipping on your first subscription month.

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12 Servings of Electrolyte Drink Mix For The Whole Family.

Rapid Hydration Electrolyte Support - Gift
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Original price $156, strikethrough Sale price $99.84

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45 day money-back guarantee¹.
Over 100 million gummies sold.
Join over 1 million parents who switched to First Day!
Ingredients

Multivitamin Ingredients:
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: Organic Tapioca Syrup, Organic Cane Sugar, Water, Pectin, Citric Acid, Natural Colors, Natural Flavors, Organic Superfood Blend, Organic Sunflower Oil, Organic Carnauba Wax.

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.

Nighttime Reset Ingredients:
Magnesium Citrate: An essential mineral that supports mind and body relaxation, balances mood, and supports nighttime relaxation. We use a 100% chelated format that is more bioavailable, for maximum absorption.*

Suntheanine® L-Theanine: Clinically studied ingredient shown to promote relaxation, improves sleep quality, and decreases stress and anxiousness for kids, specifically.

Other Ingredients: Organic Cane Sugar, Organic Tapioca Syrup, Water, Pectin, Citric Acid, Natural Flavors, Natural Colors, Organic Carnauba Wax.

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.
Calm Kids Welcome Offer
Nutrition, made easy. Take the stress out of mealtime and fill nutrition gaps with a routine so tasty, your kids will forget it&
First day has sold 55 million gummies in 2024 because of it&
Better health for the whole family. Featuring 3 customer reviews about how much the kids love the taste.
93% of kids don&
In just 2 yummy gummies, give your kids the essential nutrients they desparately deserve today. Vitamin C, Vitamin D3, Vitamin B2, Vitamin B6, Vitamin A, Folate, Vitamin B1, Vitamin K2, Vitamin B12.
Nutrition never tasted so good with our blend of 21 organic superfood fruits and veggies and nine critical nutrients in just two gummies. No fake sugars and developed based on 35,000 scientific studies.
A pouch of Kids&
An open pill bottle, blue alarm clock, and sleep mask promote Kids&
Kids Multivitamin Nutrition Label and Supplement Facts.
kids magnesium supplement facts

🚨 Due to the high demand, June has a very high risk of selling out!

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Trusted By Experts And Families Like Yours

Phils my Pharmacist
Tumeric

FIRST DAY MEDICAL ADVISORY BOARD MEMBER

Dr. Lei Chen

MD, MHS at Yale University

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

FIRST DAY MEDICAL ADVISORY BOARD MEMBER

Dr. Ed Giovannucci

MD, MPH, ScDHarvard University

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95%

of parents see

improved health & wellness

95%

82%

of parents notice

better mood & sleep

82%

97%

of customers prefer

First Day to other brands

97%

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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

FAQs

Can my child take all of the bundled products together?

Absolutely, that's exactly how this bundle is designed. The multi is taken in the morning with breakfast. Nighttime Reset is taken 30–60 minutes before bed. The electrolyte sticks can be used at any point during the day. No overlap, no conflicts.
Why Suntheanine® instead of melatonin?

Melatonin is a hormone, it overrides your child's natural sleep signaling instead of supporting it. Suntheanine® is a patented, clinically-studied form of L-theanine that promotes relaxation and sleep quality in children without interfering with hormone development or causing next-day grogginess.
How long before we notice a difference?

Many parents report calmer bedtimes and less meltdowns within the first week. Suntheanine® works relatively quickly and can be felt in the same night. Nutritional benefits from the multi build over time with consistent daily use, typically 2–4 weeks for measurable mood and behavior changes.
Is the 55% discount available as a subscription?

Yes. Use code REFRESH on your first subscription order to lock in 55% off. After that, you'll continue to save 15% on every future order, plus get free shipping, early access to new products, and our VIP perks. Cancel or adjust anytime, no questions asked.

Ready to Stop Bedtime Battles?

Ready to start? Over 1 million parents made the switch to First Day. Join them now with 55% off for a limited time. Real ingredients. Real results.

Try with 45 Day Money Back Guarantee
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Ready to start? Over 1 million parents made the switch to First Day. Join them now with 55% off for a limited time. Real ingredients. Real results.

Try with 45 Day Money Back Guarantee