Guides
Common Nutrient Deficiency Signs (and What to Test)
Why deficiency symptoms overlap, which blood tests actually confirm them, and why testing should come before high-dose supplementing.
Deficiency
Guides
Do You Need a Multivitamin? An Honest Look
Insurance, not magic — who actually benefits from a daily multi, and who can skip it.
Health conditions
Supplements for Canker Sores (Mouth Ulcers)
Test for hidden deficiencies first; targeted B12, iron, folate and zinc beat random megadosing.