Anyone under 30nmol/L is considered vitamin D deficient, according to StatCan. Without a 25-hydroxy vitamin D blood test it’s difficult to know if your levels are insufficient as there are few ...

While it is possible to source some vitamin D through diet, it will be a small amount. Hannah Alderson, registered BANT nutritionist and hormone specialist advises that “we can get a little from ...

Key research detailing the benefits, or lack thereof, includes a meta-analysis of 128 studies involving 11,270 patients comparing vitamin D with a wide range of variables including placebo, other ...