80% of Americans are Vitamin D deficient
Studies link deficiency to diabetes, heart disease, depression, and increased cancer risk.
Knows when UVB is available at your location and tells you the optimal time to go outside.
Set a target by D amount or time. The timer counts your session and alerts you when to stop.
Continuously estimates your blood Vitamin D level based on sun sessions, supplements, and labs.
Adapts to your skin type, age, weight, and amount of skin exposed for accurate results.
Developed in collaboration with Dr. Michael Holick, Professor of Medicine at Boston University and world authority on Vitamin D. The algorithms consider solar elevation, ozone levels, skin type, age, and body composition.
"Thanks for such a cool App!!! I can't believe there is something available to help us with such an important factor for our health!! Thanks so much for such a great idea!!"
— Jennifer
"Very cool app. Thanks for doing this."
— Bruce
"Really love your app, well done."
— Brendan
"I absolutely LOVE your app. Thanks so much."
— Tara