Vitamin D deficiency symptoms: The smell test that could reveal if you're deficient

VITAMIN D is a fat-soluble vitamin that plays a key role in a number of biological processes. Low levels of the nutrient can pave the way to ill-health if left untreated. According to one line of research, a sign that levels are low may be most apparent when eating.
Source: Daily Express - Health - Category: Consumer Health News Source Type: news