Vitamin Deficiency Checker
Check for possible vitamin and mineral deficiencies based on your symptoms. Select from 30+ symptoms grouped by category — skin, energy, vision, mood, digestion, bones — and get a ranked deficiency analysis.
FAQ
Frequently asked questions about vitamin deficiency checker.
Can symptoms alone identify a vitamin deficiency?
Not reliably. Many deficiencies share symptoms such as fatigue, hair changes, poor concentration, and low mood, and those same symptoms can also come from non-nutritional causes. Symptom checkers are best used as a clue, not a diagnosis.
Which deficiencies are most commonly checked with blood tests?
Commonly tested deficiencies include iron, vitamin B12, vitamin D, folate, and sometimes magnesium or thyroid-related markers depending on the symptoms. The right tests depend on history, diet, medications, and clinical context.
Should I start supplements based on this checker alone?
It is better to confirm a likely deficiency before taking high-dose supplements. Some nutrients can become harmful in excess, and the wrong supplement may also delay finding the real cause of your symptoms.
Why do symptoms overlap between different deficiencies?
Because many nutrients support the same body systems. Energy production, nerve function, red blood cell formation, skin turnover, and immune function all depend on multiple vitamins and minerals, so different deficiencies can feel similar.
What should I do if several deficiencies are ranked highly?
Treat that as a sign to look more closely, not as proof. Review your diet, medications, and medical history, then consider lab testing with a clinician so you can confirm what is actually low before treating it.