Welcome to the D-Test

There are a number of factors that contribute to low Vitamin D, so we've put together a quick test to gauge whether you might be at risk.

Please note: any personal information you provide will only be used to process your D-Test results unless you consent otherwise.

Thanks [name], first we'd like to get to know you a little.

What is your gender?

cm
kg

Please select the skin tone closest to yours.

Great, now we'd like to know some more about your lifestyle.

During a typical workday, where do you spend the majority of your time?

During an average [season] day, how long do you typically spend outdoors exposed to sunlight between the hours of 10am and 2pm?

Thanks for taking the D-Test - your bones will thank you for it.

Your risk category is

Based on your answers and the evidence supporting known risk factors associated with insufficient levels of Vitamin D, it appears you may be in the [result] risk category.


How do you compare to other D-Testers**?

Women are identified to be more predisposed to a heightened risk of Vitamin D insufficiency. 89% of respondents clock a majority of work time indoors. Almost 70% of respondents at risk of Vitamin D insufficiency do not incorporate any supplements into their regimen.

*The risk factors within this test are only a guide and form only a part of your Vitamin D status. Seasonality and other biological influences, conditions and medications may impact your status, so if you are still in doubt we recommend you consult your Medical Professional should you have any concerns. Source: ABS, Australian Health Survey: Usual Nutrient Intakes, 2011 12, cat. No. 4364.0.55.008. Females aged two years and over.

**SOURCE: Sanofi Online D-Test - Total Sample n=77,201 as of October 2025.