Evidence-based, deficiency-by-deficiency breakdowns.
Scurvy, rickets, osteomalacia, xerophthalmia and megaloblastic anemia are the classical deficiency diseases. Here is what causes each, with sources.
B12 deficiency comes down to two mechanisms: you are not absorbing it, or you are not eating it. NIH data …
B12 deficiency primarily affects the nervous system and blood production. NIH documents that nerve damage can occur before anemia and …
Your body will quietly pull calcium from your bones to keep blood levels normal, which means symptoms often lag years …
Zinc is involved in over 300 bodily reactions, yet deficiency symptoms are easy to write off individually. Here's the full …
Magnesium deficiency evades standard blood tests, has no global tracking data, and produces symptoms easily blamed on stress. Here's why …
A sourced list of documented B12 deficiency signs, from fatigue and glossitis to the neurological changes that can appear before …
Iron deficiency anemia affects more people globally than any other nutrient deficiency, and it disproportionately hits menstruating women. Here's the …
Your liver stores enough B12 to last two to five years, which means a deficiency can be quietly developing long …