We're aware of a problem when trying to use Zero Data to link to Healthify. Zero Data is managed by Health NZ and we're working with them to get this fixed.
Vitamin D topics
Vitamin D is needed for strong bones, muscles and overall health. Most people get enough from sunlight and food, but some people are at risk of not getting enough and may need supplements. Find out how to make sure you're getting enough vitamin D for your health.