ADK

With 5,000 IU of Vitamin D in every capsule, ADK was designed by doctors to help support and maintain healthy Vitamin D levels within normal ranges.* Consult your healthcare practitioner if you have concerns about your levels or Vitamin D supplementation.

The correct balance of Vitamins A, D, and K supports your body in three critical areas of health: bone, heart, and immune.* Taking these three vitamins in the optimal amounts makes all the difference, and this doctor-designed formula makes it easy.* No guesswork required.

While many DaVinci® products are appropriate to use simultaneously, we recommend consulting your healthcare practitioner before taking ADK with other multivitamins or Vitamin D supplements to ensure that you're getting appropriate amounts of supplemental Vitamin D.

The difference between ADK and DaVinci® D3/K2 Liquid is the format and the addition of 1500 mcg of Vitamin A. ADK is a more comprehensive formula, with added immune support from Vitamin A.*

ADK capsules are small and unflavored. Many customers report that they are easy to swallow and leave no aftertaste. If you struggle with swallowing capsules of any size, consider sugar-free ADK Gummies.

ADK capsules are vegetarian, gluten-free, and soy-free to suit a variety of dietary needs.

For children, we recommend sugar-free Little DaVinci® Triple Boost ADK Gummies. The chewable format and pineapple flavor make it easier to stay consistent.

DaVinci® supplements are manufactured in the US with high-quality, researched ingredients sourced domestically and from around the world. Our products are manufactured in an SQF-certified facility that strictly adheres to Current Good Manufacturing Practices (cGMP) as outlined by the Food and Drug Administration.

We use high-quality ingredients sourced in the U.S. and globally. Regardless of their origin, all our ingredients undergo extensive third-party testing to ensure their safety, purity, and efficacy. We pledge truth in labeling and are committed to transparency regarding the ingredients used in our products.

No, a prescription is not required to purchase DaVinci® supplements. They are available for our website, other online retailers, and through select healthcare practitioner clinics.

DaVinci® supplements can often be administered simultaneously. However, we always recommend consulting with your healthcare practitioner to determine if a combination of supplements is suitable for your unique health needs.

Increasing the dose is not recommended unless specifically noted on the packaging or advised by your healthcare practitioner.

DaVinci®, like many companies, is required by the state of California to include this warning on some of our product labels. This is because some ingredients used in the product may contain trace amounts of certain naturally occurring chemicals, like lead, that are found in soil. Therefore, they require a Prop 65 warning based on California's regulations. These products are considered safe for daily intake.