Why should you take Knowell?

Knowell’s formula was created to nourish all aspects of women’s reproductive health. Your reproductive system and hormones are intrinsically linked and when even one of your hormones is out of balance, it creates a ripple effect that can upset the entire system. This can result in problematic and often painful PMS symptoms, irregular periods, fertility issues, mood swings, chronic fatigue, weight gain, skin and hair issues. (And that’s just the beginning.)

There are many reasons why a woman’s hormone health may be less than ideal, but nutrient deficiencies are one major factor. That’s where Knowell comes in. It provides the nutritional foundation that allows your hormones to flourish.

Our supplement is designed to support you, whether you are trying to make PMS less problematic, regulate your cycle, counterbalance the side-effects of the pill, optimize your efforts while trying to conceive or manage the symptoms of PCOS.  Knowell is for all women who want to work with their hormones, not fight against them. 

  • Vegetarian
  • Non-Soy
  • Non-GMO
  • Gluten Free
  • Made in USA

One capsule, 28 ingredients

Our intention was to create the most complete supplement on the market to support women’s reproductive health—and we’re so proud of what we accomplished. Every capsule is home to 28 synergistic ingredients, all thoughtfully chosen and precisely dosed to optimize your everyday.

Get to know our ingredients

B Vitamins

Thiamin B1 • Niacin B3 • Vit B6 • Folate B9 • Vit B12.

Transform food into fuel so you get the most from your healthy diet—essential for hormone system function.

Thiamin B1 - 1.2mg • Niacin B3 - 16mg • Vit B6 - 1.7mg • Folate B9 - 200mcg DFE • Vit B12 - 2.4mcg.


Vit C • Vit A • Turmeric • Black Pepper.

Protect and repair all cells to prevent early signs of aging, while nourishing the thyroid and amping up the effects of nutrients.

Vit C - 100mg • Vit A - 1350 mcg • Turmeric - 150mg • Black Pepper - 10mg.


Zinc • Chromium • Selenium • Manganese.

Involved in brain signaling, immune system function, and maintaining regular periods.

Zinc - 11mg • Chromium - 35mcg • Selenium - 100mcg • Manganese - 2.3mg.

Vitamin D3

Vitamin D3.

The building block for all hormones: You might say D3 is the hardest-working vitamin in the game. Helps maintain healthy skin and strong bones.

Vitamin D3 - 50mcg.



Supports neurotransmitter production in the brain while also optimizing ovarian function and balancing blood sugar. (See ya, sweet cravings.)

Myo-Inositol - 600mg.

Adaptogenic Herbs, Roots, and Plants

Ashwagandha • Chasteberry • Maca • Rhodiola Rosea.

Help the body adapt to stress, giving you the mojo to tackle your work day and workouts. Invigorate the libido and ease symptoms associated with PMS.

Ashwagandha - 250mg • Chasteberry - 250mg • Maca - 200mg • Rhodiola Rosea - 100mg.


Chaga • Cordyceps • Reishi.

Adapt to your body’s needs, promoting immune support, restful sleep, and sustainable energy without the crash.

Chaga - 50mg • Cordyceps - 50mg • Reishi - 50mg.

Probiotics and Enzymes

Bromelain • Bacillus Coagulans • Lactobacillus Rhamnosus • Lactobacillus Fermentum • Lactobacillus Gasseri.

A happy gut equals a healthy immune system, better mood, balanced digestion, and optimal nutrient absorption.

Bromelain - 100mg • Bacillus Coagulans - 133mg • Lactobacillus Rhamnosus - 50mg • Lactobacillus Fermentum - 20mg • Lactobacillus Gasseri - 5mg.



Sweet, tart, and smart! Trusted for years to boost urinary tract health, thanks to powerful antioxidant and antibacterial properties.

Cranberry - 100mg.

Nutritional Information

Customer Reviews
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Filter Reviews:
Madison H.
United States United States

Works Wonders

So far, my experience taking knowell has been hugely helpful to the menstrual struggles I have with my condition of PCOS. I am currently on a journey of no brith control and it’s been helping me naturally deal with my ************ and it’s giving me confidence of fertility in my future.

Kelley B.
United States United States

First month review

I love this product. I suffer from PCOS and don’t get regular periods. I haven’t had one in 3 months and after finishing my first month i started my period. My hormonal acne is gone and my facial hair growth has slowed down too! I am loving this product!!

Elvia G.
United States United States


My experience was great. I felt more better. More energy and less bloated. In general made me feel way better in my health. I would highly recommend!

United States United States

Finally something that works

I have tried so many different brands and supplements before stumbling across Knowell. I had given up home and thought I was just stuck with being miserable for several days out of the month. Severe bloating and pain were hard to deal with. I was living on Ibuprofen and Tylenol for 5 days straight every month. After my third bottle of Knowell, I started to notice positive changes/differences. Less spotting before and after cycles with more regularity. My periods are also less heavy and I have more energy. I no longer need the Tylenol since Ibuprofen itself works to control pain. Knowell allowed me to use less Ibuprofen all over. Hopefully one day I can stop taking Ibuprofen altogether or need even less of it. Knowell has also immensely helped to decrease the painful bloating and I also believe that I am less moody. I am excited to see what this supplement does long-term. I also appreciate that this is a multivitamin as well as an herbal supplement. Saves me money in the long run since it contains everything I need and then some. I have not found any other supplements that are as complete as Knowell for women's health. I highly recommend it. I am glad that a company finally understands what ingredients women need to support a healthy cycle and that it is not okay for women to be in pain for 1 week per month. Knowell has been such a blessing. A wonderful company with top-notch ingredients. They put a lot of research into which herbs and vitamins to include for over all well being.

Tisha K.
United States United States

Struggled for so long but not anymore!!! This works!!!

I am so happy that I took a chance and tried Knowell. I am middle-aged and have had heavy periods and cramping for years now. I have been on the pill for a long time to help regulate my periods but it's made me feel bloated, irritable and yucky for years. So I decided to try this product and stop taking the pill. I've now been using this for two months and I have more energy, less moody, less bloating and my periods aren't heavy. I can't say enough good things about Knowell. Thank you for making this product. It really has saved me.

Only the best for your hormones

Our ingredient standards border on obsessive, and we promise to deliver you the highest-quality supplements, always.

Knowell is made in the USA at a cGMP, FDA-registered facility. (Translation: The best of the best.) We carefully test all ingredients at every step of the production process to guarantee the utmost purity. What you see on the ingredient list is what you get.


Not all multi-vitamins are created equal - I can tell you that this supplement passes all of my supplement scrutinies!!  

Dr Erin Kinney

It's got the right ingredients to support estrogen balance, metabolism, healthy gut, and stress reduction!

Callie Exas RDN