Vitamin D3 with K2 Vitamin D3 with K2 Vitamin D3 with K2 Vitamin D3 with K2 Vitamin D3 with K2 Vitamin D3 with K2
Vitamin D3 with K2 Vitamin D3 with K2 Vitamin D3 with K2 Vitamin D3 with K2 Vitamin D3 with K2 Vitamin D3 with K2 Vitamin D3 with K2

Vitamin D3 with K2

Cholecalciferol with Menaquinone-7

Vitamin D3 with K2 helps regulate levels of calcium and phosphorus, which supports calcium absorption and bone health during the preconception period, pregnancy, and postnatal period.* Vitamin D3+K2 also helps maintain healthy vitamin D levels, which may help support male and female reproductive health.

What makes this the best Vitamin D3 and K2 supplement? Developed with Bruce Hollis, Ph.D., Director of Pediatric Nutritional Science at the Medical University of South Carolina, Ovaterra's Vitamin D3 and K2 combination supplement comes in an easy-dosing liquid formulation (1,000 IU/drop) with natural lemon flavor, so you get the most fertility support out of each dose. Made with soy-free Vitamin D3 (cholecalciferol), a highly bioavailable MK-7 form of Vitamin K2, and olive oil to support reproductive health*. And like all of our reproductive health supplements, Ovaterra's Vitamin D3 with K2 is vegan, non-GMO, and made without artificial colors, sweeteners, or preservatives.

  • A 10-month supply of Vitamin D3+K2 at 2 drops (2,000 IU) per day.
  • Comes in a glass bottle with a convenient, easy-dosing dropper.

View Supplement Fact Insert

Take 2 drops (2,000 IU) per day of the Vitamin D3 and K2 combination supplement or as directed by your healthcare provider. Avoid use within two hours of any medication(s).

Do not exceed the recommended dosage. KEEP OUT OF REACH OF CHILDREN. If you are taking any medications or have a medical condition, consult your healthcare provider before starting supplementation. Do not use Vitamin D3 with K2 with other supplements containing either Vitamin D3 or K2.

One-time Purchase - $39.00

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$39.00

Did You Know?

Experts recommend 50 ng/nL of serum Vitamin D as a minimum for reproductive and prenatal health.

Learn More

Active Ingredient Basics

Vitamin D3

Cholecalciferol

What is it?

Vitamin D3 (cholecalciferol) is the natural form of Vitamin D that human skin synthesizes from sun exposure.

Vitamin D3 (cholecalciferol) is the natural form of Vitamin D that human skin synthesizes from sun exposure.

Why is it needed?

Vitamin D is essential in bone health and helps with the maintenance of calcium homeostasis*. Studies suggest Vitamin D plays multiple roles in systemic health beyond bone health*. Over 70% of the U.S. population does not get enough Vitamin D from sun exposure and diet.

Vitamin D is essential in bone health and helps with the maintenance of calcium homeostasis*. Studies suggest Vitamin D plays multiple roles in systemic health beyond bone health*. Over 70% of the U.S. population does not get enough Vitamin D from sun exposure and diet.

How does it work on a cellular level?

After Vitamin D3 is converted into calcitriol, its active form, it supports higher calcium levels in the blood by supporting calcium absorption in the intestines and maintaining calcium reabsorption in the kidney*.

After Vitamin D3 is converted into calcitriol, its active form, it supports higher calcium levels in the blood by supporting calcium absorption in the intestines and maintaining calcium reabsorption in the kidney*.

Why is it important for fertility?

Vitamin D maintains the health of the mom's bones and teeth while also supporting the development of strong bones and teeth for the baby*. Studies also suggest that healthy Vitamin D levels may support reproductive health in both men and women*.

Vitamin D maintains the health of the mom's bones and teeth while also supporting the development of strong bones and teeth for the baby*. Studies also suggest that healthy Vitamin D levels may support reproductive health in both men and women*.

Vitamin D3 with K2 benefits

Vitamin D3

Cholecalciferol

1,000 IU

Vitamin D helps build and maintain strong bones and teeth*. Healthy Vitamin D levels have been associated with male and female reproductive health*. D3 is the natural form of Vitamin D that the skin synthesizes from sun exposure.

Vitamin K2

Menaquinone-7

100 mcg

Working together with Vitamin D, Vitamin K helps maintain bone health by facilitating the bonding of calcium to the bone*. Studies have suggested that the menaquinone-7 form of Vitamin K may be more bioavailable than other forms.


QUALITY IS IN THE DETAILS

Expert developed

Each product is designed in collaboration with a leading researcher in the ingredient field.

Triple-tested

Independent verification ensures the potency and quality of our products.

Patented

The only fertility nutraceutical company that holds 10 patents for our formulations and technology in the US and Canada.

Formulated for reproductive health

Our products are evaluated and studied for their specific effect on male and female reproductive health.

Our Lead Scientist

Bruce Hollis, PhD

Director and Professor of Pediatric Nutritional Science, Medical University of South Carolina

Dr. Bruce Hollis is a nutritional biochemist who has spent his entire career researching Vitamin D. He is the leading expert in Vitamin D's role in pregnancy and pediatric development, with over 300 peer-reviewed articles that have been cited more than 57,000 times. His groundbreaking work in Vitamin D and pregnancy has resulted in clinical practice changes nationwide.

Proven. Trusted.

We only publish real reviews by real customers. We’d love to post every review that’s submitted, but because of FDA and FTC regulations, there are some we can’t.

Recommended at Fertility Clinics Globally

New York, NY, USA

London, United Kingdom

London, United Kingdom

The basics of Vitamin D3 with K2

Ready to talk with your doctor? Download a PDF summary sheet to start a conversation.

Download Summary

Vitamin D3 with K2 supports systemic health during the preconception period, pregnancy and the postnatal period*.

Vitamin D3 and K2 do not commonly cause side effects when taken in the appropriate dosage range. Refer to the supplement insert for side effects associated with excess intake.

Every batch of Vitamin D3+K2 undergoes a triple-step quality assurance process, including potency and contamination testing at independent laboratories.

Non-GMO, vegan, vegetarian, soy-free, made with organic olive oil. No artificial colors, sweeteners, or preservatives.

Manufactured in the United States at a NSF-certified facility under cGMP standards.

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