Chat with us for any concerns! Our live chat hours to speak with a real human are:

Got some questions? Feel free to reach out, and one of our friendly support will assist you via email at support@firstday.com.

Prefer to reach out to us via WhatsApp? Drop us a message at

Log In

Reviews

Shop

First Day

Our team crafted the <a href="https://firstday.com/products/teens-gut-sustainer">Teens Gut Sustainer</a> for teens aged 14 and above.

Our team crafted the Teens Gut Sustainer for teens aged 14 and above.

Who should take Teens Gut Sustainer?

Teens

Teens Gut Sustainer

Do I need an account to place an order?

Which payment methods are accepted?

When will I be charged with my order?

What can I use my discount code on?

Why are there discounts for large families?

How do I get my discount?

My discount code won't work!

Can I use my HSA or FSA card?

Do you have a phone number?

Are you on Amazon?

When will an out-of-stock item be back in stock?

Where do I get discounts?

Forgot to add a promo code on my order

How can I save money with subscriptions?

Purchasing, Payments, & Discounts

How does a subscription work?

What are the benefits of subscribing?

Do I have to set up a subscription?

What's this refill pouch?

How do I create an account and why do I need one?

I already have an account but I'm having trouble logging in

How do I change my account password?

I have accounts and orders under two emails. Can I combine them into one account?

How do I change my address on my subscription?

How do I change my credit card on file?

How can I add a product to my subscription?

How can I adjust the frequency of my subscription?

How do I change my renewal/order date?

I have multiple orders renewing on different dates. Can I combine them so they ship together?

I get a message saying "email does not exist".

How do I manage my subscription?

What can I do if I have more products than I need at home?

How to confirm cancelation of my subscription?

How do I know if I am subscribed?

If I skip a month will I still be charged?

How do I cancel my subscription?

How to swap my subscription product?

How do I get a refill shipped today?

Account Management

Do we really need vitamins?

How are these vitamins different from other brands?

Can some vitamins be really bad for you?

What is bioavailability and why should I care?

Why do you have less than 100% of Daily values?

Where are First Day products manufactured?

How does First Day create formulas and develop products that are safe?

How does First Day practice sustainability?

Are the gummies free from allergens?

Are your vitamins organic?

Do your vitamins contain sugar?

Do your vitamins contain gelatin?

Are they FDA approved?

Are they Kosher certified?

How should I store the vitamins?

Why is the bottle not filled to the top?

Should my gummies be stuck together?

What is in the organic fruit and vegetable blend and how is it made?

Do your multivitamins contain folic acid?

Can these be taken with other multivitamin/supplements?

What's in the Natural Flavors and Natural Colors?

What if my child is going through puberty and appears taller or bigger than others?

Can a person below or above the age-range take the vitamins?

My child ate the entire gummy bottle—what now?

Why is the bottle half-full?

Will this help with constipation?

Why is there no fiber in Tribiotics?

Which product would be the perfect match for me?

How long does this last?

How do I know if I’m magnesium deficient?

Will I notice other benefits besides sleep?

Why do you not use melatonin?

What form of magnesium do you use?

Where do you source your ingredients?

First Day Products & Science

Where do you ship to?

When will my order ship?

How long does shipping take?

My order was delivered, but I don't have it and can't find it.

Last update was 5 days ago, where is my order?

Can I get a refund for the customs charge/fee?

What to do if my order is delayed or marked as delivered but not received?

Do you offer free shipping?

Do you offer expedited shipping?

Do you ship to Canada?

Shipping

How can I change or edit my shipping address on a recent order?

How can I cancel or change my order?

How do I skip an order?

I forgot to cancel my order this month - can I still cancel it?

What is the status of my order?

How can I change the delivery address for my order?

Can I get a container instead of a pouch with my order?

Why can’t I track my order?

How do I update the billing information on my order?

What do I do if I receive the wrong item in my order?

How can I order a refill pouch?

Order Management

What is your Satisfaction Guarantee policy? Do you allow returns?

How long does it take for me to get a refund?

What to do if I received damaged products?

How do I replace damaged or gummies where quality isn't as expected?

What should I do if I receive a product with a broken seal or loose lid?

I’m having a reaction to the product

Return Policy

Who should take Kids Daily Enrichment?

How do I give my child their Kids Daily Enrichment vitamins?

Is your Kids Daily Enrichment suitable for girls or boys?

What are the ingredients of your Kids Daily Enrichment vitamins?

What ingredients are used in the natural colors and flavors of Kids Daily Enrichment?

My child does not like the taste of the vitamins. What options do I have?

Do you include B12 in Kids Daily Enrichment?

Does your Kids Daily Enrichment contain folic acid?

Kids Daily Enrichment

Who should take Kids Belly-Biotic?

Does Kids Belly-Biotic need to be refrigerated?

Can Kids Belly-Biotic be taken with other multivitamins/supplements?

What clinical studies or research support the effectiveness of Kids Belly-Biotic?

What is the full ingredient list for Kids Belly-Biotic?

What ingredients are used in the natural colors and flavors of Kids Belly-biotic?

Kids Belly-Biotic

How long does it take to see benefits of Kids' Nighttime Reset?

Can I combine kids' calming magnesium with a multivitamin?

How do I know if my child is magnesium deficient?

Will I notice other benefits besides sleep on Kids' Nighttime Reset?

What if my kid doesn't like the calming magnesium?

Why is there less than 100% Daily Recommended Value in Kids' Nighttime Reset?

Kids’ Nighttime Reset

Kids

Who should take Teens Daily Kickstart?

How should I give my teen his or her Teens Daily Kickstart multivitamins every day?

What are the ingredients of your Teens Daily Kickstart vitamins?

What ingredients are used in the natural colors and flavors of Teens Daily Kickstart?

How is the Teens Daily Kickstart different from Kids Daily Enrichment?

Do you include B12 in Teens Daily Kickstart?

Does your Teens Daily Kickstart contain folic acid?

Can the Teens' Daily Kisckstart be taken with other multivitamin/supplements?

Teens Daily Kickstart

What ingredients are used in the natural colors and flavors of Teens Gut Sustainer?

Is the Teens Gut Sustainer free from common allergens, such as gluten, dairy, or soy?

Can the Teens Gut Sustainer be taken with other multivitamins/supplements?

Do these need to be refrigerated?

What clinical studies or research support the effectiveness of Teens Gut Sustainer?

What is the full ingredient list of Teens Gut Sustainer?

Where are the Teens Gut Sustainer manufactured?

How long does it take to see benefits of Teens' Nighttime Reset??

Can I combine Teens' Nighttime Reset with a multivitamin?

How do I know if my teen is magnesium deficient?

What if my teen doesn't like them?

Why is there less than 100% Daily Recommended Value on Teen's Nighttime Reset?

Teens’ Nighttime Reset

Who should take the Womens Daily Supercharge multivitamins?

How many Womens Daily Supercharge should be taken each day?

Can someone below or above the specified age range take Womens Daily Supercharge multivitamins?

What are the ingredients of your Womens Daily Supercharge vitamins?

What ingredients are used in the natural colors and flavors of Womens Daily Supercharge?

Can pregnant women or nursing moms take Womens Daily Supercharge?

Can the Womens Daily Supercharge be taken with other multivitamin/supplements?

Do you include fish oil or omega-3s (DHA, EPA, ALAs) in Womens Daily Supercharge? Why not?

Do you include ___ mineral (ex: calcium, iron, magnesium) in Womens Daily Supercharge? Why not?

Do you include B12 in Womens Daily Supercharge?

Does your Womens Daily Supercharge contain folic acid?

Womens Daily Supercharge

What ingredients are used in the natural colors and flavors of Women's Good Gut?

Who should take Women's Good Gut?

Can pregnant women or nursing moms take Women's Good Gut?

Is the Women's Good Gut free from common allergens, such as gluten, dairy, or soy?

Can the Women's Good Gut be taken with other multivitamins/supplements?

What clinical studies or research support the effectiveness of Women's Good Gut?

What is the full ingredient list of Women's Good Gut?

Where are the Women's Good Gut manufactured?

Womens Good Gut

How long does it take to see benefits of Women's Nighttime Reset?

Can I combine Women's calming magnesium with a multivitamin?

What if I don't like them?

What are the ingredients included in Women's Nighttime Reset?

How many Women's Nighttime Reset should be taken each night?

Womens Nighttime Reset

Womens

Who should take the Mens Daily Provisions Multivitamins?

How many Mens Daily Provisions should be taken each day?

Can someone below or above the specified age range take Mens Daily Provisions multivitamins?

What are the ingredients of your Mens Daily Provisions vitamins?

What ingredients are used in the natural colors and flavors of Mens Daily Provisions?

Can the Mens Daily Provisions be taken with other multivitamin/supplements?

Does your Mens Daily Provisions contain folic acid?

Do you include ___ mineral (ex: calcium, iron, magnesium) in Mens Daily Provisions? Why not?

Do you include B12 in Mens Daily Provisions?

Do you include fish oil or omega 3s (DHA, EPA, ALAs) in Mens Daily Provisions? Why not?

Can women take Mens Daily Provisions?

Mens Daily Provisions

Mens

Who should take Teens Gut Sustainer?Updated 11 days ago