Meet your secret weapon against vitamin D deficiency

d.velop™ is the only vitamin D supplement made with calcifediol which is absorbed directly into your bloodstream.

This means it’s 3x faster at increasing your vitamin D levels and 3x more effective than conventional vitamin D, helping you meet your health goals*†.

More than 9 in 10 people don't get enough vitamin D from food alone. That’s why we set out to create the most effective solution. - Nate Matusheski PhD, Chief Science Officer

You're probably not absorbing enough vitamin D

90% of our vitamin D comes from exposure to sunlight

10% of vitamin D comes from the diet

95% of adults don't get sufficient vitamin D from diet alone

Are you getting enough vitamin D?

Take our quiz and receive 15% off your first order.

Take The Quiz

With 2 d.velop™ tablets a day, you're supporting healthy*:

- bones
- immunity
- energy levels
- brain function
- muscles
- pregnancy
- blood sugar

A healthier body starts with an optimal level of vitamin D

Track your vitamin D levels

Ever wonder if the vitamins you're taking really work? We get it. Track real before and after vitamin D level results with our test.

Subscribe for effortless refills

Our 90-day subscription option ensures you'll never forget to restock. Shouldn't remembering to take your pills everyday be enough?

Maintain optimal health

Keep momentum up with our app that tracks environmental risk factors and coaches you toward stronger health and immunity with the support of Registered Dietitians.

One key ingredient makes all the difference. And that ingredient is calcifediol.

More than 9 in 10 people don't get enough vitamin D from diet and sunlight alone.

d.velop™ is the only vitamin D supplement made with calcifediol which is absorbed directly into your bloodstream.

This means it’s 3x faster at increasing your vitamin D levels and 3x more effective than conventional vitamin D, helping you meet your immunity goals*†.

Try The d.velop difference

How d.velop™ is different

Others

Efficiency

Works in as little as 14 days to boost vitamin D levels*†

Can take up to 60 days or more to boost vitamin D levels

Ingredients

Made with calcifediol, the easily absorbed form of D your body makes on its own*†

Made with the conventional form of D that can’t be absorbed until it's processed by your liver

Progress tracking

Subscription includes easy, accurate home tests that show how your levels improve

No way to know if your supplement is working without expensive lab work

What our customers are saying

After taking the test and finding out I was Vitamin D deficient, I started taking d.velop supplements. My vitamin D. levels had risen within only two weeks.

Juliann N

Taking my d.velop has made me more energetic and feeling better.

Andrew S

This is an amazing at-home test and perfect for anyone wanting to boost their vitamin D levels within a month.

Deanne G