Nutrient deficiency guides
Educational overviews of the vitamin and mineral deficiencies most commonly associated with everyday symptoms — with food sources, risk factors, and when to talk to a clinician.
Magnesium deficiency symptoms
Cramps, restless legs, poor sleep, anxiety — plus food sources and risk factors.
Vitamin D deficiency symptoms
Fatigue, low mood, bone aches, frequent illness — plus who should test and when.
Vitamin B12 deficiency symptoms
Brain fog, tingling, profound fatigue, mood changes — plus who's at higher risk.
Iron deficiency symptoms
Fatigue, shortness of breath, cold extremities, brittle nails, restless legs.
Brain fog: nutrient causes
B12, iron, vitamin D, omega-3, B6, magnesium — the shortlist to rule out.
Always tired? Vitamin and mineral overlaps
The nutrient shortlist to rule out when you're always tired — plus non-nutritional drivers.
Want a personalized nutrient shortlist? Deficify is a $4.99 iOS app that turns your symptoms into a focused vitamin and mineral shortlist with food-first guidance, safety cautions, and a clean daily schedule.
View Deficify on App Store