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Women's 3-in-1 Pre+ Post+ Probiotic

The World’s first 3-in-1 tribiotic designed to promote digestive, immune, and vaginal health. 30 day supply of kiwi-flavored gummies for women ages 18+.

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30 Servings Per Bottle

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The "No Junk"™ Women’s Multi

All day support for women. Ages 18+

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Women's Daily Focus Brain Support

Helps provide focus and calm mental energy. For women 18+.

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45 day money-back guarantee1.

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Over 100 million gummies sold.

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Ingredients

We are thoughtful about the ingredients we use and have selected scientifically studied strains that will have the most positive impact on your gut health.

Livaux® (Prebiotic): Clinically studied prebiotic that helps increase probiotics in the microbiome, promote regular bowel movements, and support the relief of constipation.

IS-2® (B. Coagulan Probiotic): Clinically studied probiotic that helps support the relief of constipation, improve digestive health, support healthy gums and teeth, and maintain healthy vaginal flora.

OPTIBIOME® BS50™ (B. Subtilis Probiotic): Clinically studied probiotic that helps support the relief of abdominal bloating, burping, and flatulence – starts working in hours, not days.

ImmunoLP20® (Postbiotic): Clinically studied postbiotic shown to activate immune cells to support immunity and the relief of flu and common cold symptoms. It also helps support healthy teeth, gums, and the relief of dry skin.

Other Ingredients: Organic Tapioca Syrup, Organic Cane Sugar, Water, Pectin, Natural Flavors, Citric Acid, 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.
A container of First Day Life Inc. Women&
Infographic with icons and text stating, Specially designed to: Promote Gut Health, Support Oral Health, Fortify Immunity, Support Healthy Skin & Enhance Wellness—highlighting the benefits of Women’s 3-in-1 Pre+ Post+ Probiotic by First Day Life Inc. on a light blue background.
A container of Women&
Two orange Women&
Infographic titled “Nourish Your Gut with 3 Powerful Strains” highlights the digestive health benefits of Women&
A hand holds two Women&
Comparison chart of Women&
Side-by-side look at old and new Women&
A promotional graphic invites women to join a mission for better digestive health, showing women smiling, taking Women&
A promo graphic for Women&
A supplement facts label for Women&
A container labeled first day Women’s Pre+Post+Probiotic lies on a white surface next to whole and sliced kiwis on a wooden board, two gummy supplements, and a plant leaf.

Livin’ The Good (Gut) Life

Do you know what happens when good bugs go bad? When healthy gut bacteria get overtaken by bad bacteria...

Bloating, constipation, sick days, and all sorts of down there issues that keep coming back. But the days of suffering in silence are over.

Say hello to the good gut life with Women’s Good Gut Tribiotic – the World’s 1st 3-in-1 Pre+ Post+ Probiotic!

Real Wholesome®

Real Wholesome®.
Real results you can feel.

No fillers, fake sugars or fad ingredients with wild claims.

Refillable packaging for a healthier planet

Research-backed & clinically proven.

Vegan. Cruelty Free. Non GMO. Free of allergens, artificial colors & flavors.

Tested & loved by picky kids (and adults)

Meticulously sourced for highest quality & safety.

Repeatedly tested for potency & purity.

Triple the Goodness with Tribiotics

Our powerful 3-in-1 combination of prebiotics, probiotics and postbiotics work together to promote a healthy gut microbiome, which is essential for maintaining good health in adult women. A healthy gut microbiome plays a key role in immunity, vaginal health, respiratory health and heart health - and can also help prevent a variety of health issues, including allergies, asthma, eczema and obesity.

A container of First Day women’s pre, post, probiotic supplements lies on a marble surface near two gummies, a toothbrush in a holder, a white towel, a soap dispenser, and green leaves.

Probiotics

Probiotics are a healthy type of bacteria that live in the gut. They not only aid with digestion, but also improve overall immunity and maintain healthy vaginal flora. Probiotics also aid in oral health, by helping to fight plaque, gingivitis and cavity-causing bacteria.

A container of First Day Women’s Probiotics lies on a wooden board surrounded by whole and sliced kiwis, two gummy supplements, and a leafy plant, all on a white tile surface.

Prebiotics

Prebiotics are a type of "food" for probiotics, helping them flourish & recover. When probiotics are thriving, they can help regulate bowel movements, support immunity, and maintain healthy vaginal flora.

A container of First Day Women’s Pre, Post, Probiotic gummies sits on a bathroom counter near a sink, with folded white towels and candles in the background.

Postbiotics

Postbiotics are a natural byproduct of pre+ and probiotics. They help maintain a healthy immune response and have been shown to decrease flu and cold symptoms.  

However, the chance of postbiotics arriving to the gut are limited. That’s why including postbiotics, along with pre+ and probiotics, increases the chance of delivery to the gut, benefiting overall health and immunity.

Just The Good Stuff

Packed with key vitamins and minerals to support your health & well-being.

Livaux® (Prebiotic)

250mg

Supports gut health, regular digestion, and a healthy microbiome.

Gut
Immunity

IS-2® (Probiotic)

50mg

Supports digestive and feminine health.

Gut

OPTIBIOME® BS50™ (Probiotic)

20mg

Supports digestion and reduces bloating.

Gut

1,000,000+ happy customers

"I love how simple the ingredients are to understand. As a parent, it's a no-brainer !"

Brandi C.

Brandi C.

Amarillo, TX

"The kids honestly ask me for their vitamins in the morning. Can you say uhhamazing!!"

Rachel Y.

Rachel Y.

Montgomery, AL

"Every ingredient in these vitamins are beneficial and the added ingredients have no toxic effect- which is something you don’t find in other brands."

Jamie C.

Jamie C.

Ada, OK

"First Day will be part of our morning & night routine for a very long time. So happy I stumbled upon them and LOVE the auto-ship subscription option!"

Kasey L.

Kasey L.

Rochester, NY

A container of First Day Women’s 3-in-1 Pre, Post, Probiotics sits nestled among vibrant purple, yellow, and maroon pansy flowers and green leaves.

Formulated For A Healthy Gut Microbiome To Support:

Digestion – Feel better, lighter, and more energized with regular bowel movements and relief of bloating, constipation, and gas.

Immunity – Feel confident next flu season knowing you’re supporting immunity. . . (especially when your kids bring home that stomach bug!)

Vaginal Health – Get life-changing relief from abnormal vaginal discharge, itch, and odor by maintaining healthy vaginal flora.

Nutrient Absorption – Supercharge the power of your daily vitamin by supporting your gut's ability to absorb its nutrients.

Skin Health – Hydrate dry skin and maintain your glow.

Oral Health – Gain confidence knowing you’re supporting healthy teeth and gums.

Comparison chart of Women's 3-in-1 Pre+ Post+ Probiotic (orange and blue bottle) vs. other brands (white bottle). Women's 3-in-1 shows 5 green checks for digestive & vaginal health; other brand displays 5 red Xs.

What Sets First Day Apart

Over 1 million families have made the switch to First Day, and it is easy to see why when competitors take so many shortcuts.

Our Scientific Advisors

  • Dr. Lei Chen, MD, MHSYale University

    Dr Lei Chen, MD, MHS

    Yale University

    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.

  • Dr. Ed Giovannucci, MD, MPH, ScDHarvard University

    Dr. Ed Giovannucci, MD, MPH, ScD

    Harvard University

    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.
Trusted by over 800,000 parents. 97% of customer prefer First Day over other vitamin brands they've tried. Based on study of 264 customers.

45 Day Money-Back Guarantee

We're confident this is the best vitamin you'll ever try. But we understand you may be skeptical. So give it a try...worry-free! If you're still not happy, just send it back.

Women's 3-in-1 Pre, Post, Probiotics FAQs

What's are the ingredients?

We are thoughtful about the ingredients we use and have selected scientifically studied strains that will have the most positive impact on your gut health.

Livaux® (Prebiotic): Clinically studied prebiotic that helps increase probiotics in the microbiome, promote regular bowel movements, and support the relief of constipation.

IS-2® (B. Coagulan Probiotic): Clinically studied probiotic that helps support the relief of constipation, improve digestive health, support healthy gums and teeth, and maintain healthy vaginal flora.

OPTIBIOME® BS50™ (B. Subtilis Probiotic): Clinically studied probiotic that helps support the relief of abdominal bloating, burping, and flatulence – starts working in hours, not days.

ImmunoLP20® (Postbiotic): Clinically studied postbiotic shown to activate immune cells to support immunity and the relief of flu and common cold symptoms. It also helps support healthy teeth, gums, and the relief of dry skin.

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

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

Remember the old adage "more isn't always better"? Many vitamins today use cheap chemicals that our bodies can't absorb in amounts that are much higher than we actually need! In the long term, taking these sorts of vitamins can be harmful to health because our bodies have a tough time getting rid of the excess.

Take plants as an example. Overwatering your plants can damage their roots, wilt the leaves, and ruin their growth. That's why First Day focuses on being a nourishing vitamin filling in the gaps, not overloading you with nutrients.

So, we've consciously formulated our vitamin around what we most commonly lack. Then we made our gummy to fill the gaps in our everyday needs with the finest ingredients.

What else is different about First Day?

We set out by asking the unaddressed questions in the industry. What are supplements really doing for us? Why are they made the way they are?

We found the average multivitamin uses outdated science from 50 years ago.

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 so your vitamins are actually working for you and your health.

Should I subscribe if I've never tried First Day before?

Healthy habits are hard to start let alone maintain! We wanted to make it as simple as one-click to building healthy foundations. With your subscription, you get a discount on every order for being a loyal First Day family member! Plus, cancelling a subscription is easy.

For every order, we also have a satisfaction guarantee so you can rest assured knowing we'll always have your back!

Which scientific studies does First Day look at?

Micronutrients, absorption rate, and more! We've combed through the scientific studies so that you don't have to. But if you want to peruse, check out these scientific studies for yourself:

More questions? Find answers on our FAQ page.

Ready to Start Your Health Journey?

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Subscribers

45 Days

One-Time
Purchasers

45 Days

1 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!

** Compared with: Flintstones Vitamins Chewable Kids Vitamins; Nordic Naturals Nordic Berries; SmartyPants Kids Formula

Livaux® is a registered trademark of Anagenix IP Ltd.
SNZ 1969® is a trademark of Sanzyme Biologics Private Ltd.
Suntheanine® is a registered trademark of Taiyo International, Inc.
Cognizin® is a registered trademark of Kyowa Hakko Bio Co., Ltd.
FloraSMART® is a registered trademark of Anderson Advanced Ingredients
Affron® is a registered trademark of Pharmactive Biotech Products, S.L.U.
Zembrin® is a registered trademark of HG&H Pharmaceuticals (Pty) Limited.
Unique IS2 Bacillus Coagulans® is a registered trademark of Unique Biotech Ltd.
OPTIBIOME® is a registered trademark of BIO-CAT, Inc.
OPTIBIOME BS50® is a trademark of BIO-CAT, Inc.
Immuno-LP20 is a trademark owned by HOUSE FOODS GROUP INC.
IMMUSE is a clinically researched lactic acid bacteria developed by Kirin Holdings Company, Ltd.