
Please select how often you experience the listed symptoms.
Please select how often you experience the listed symptoms.
Select how often you experience the listed symptoms and habits.
Questionnaire based on Dr. Ertog's method for assessing the likelihood of vitamin B1 deficiency.
The questionnaire helps to identify a possible deficiency of vitamin A.
The questionnaire will help determine a possible biotin (vitamin B7, also known as vitamin H) deficiency based on characteristic symptoms. Please indicate if you have the following symptoms.
The questionnaire helps identify a possible deficiency of vitamin B5 based on characteristic symptoms. Please select if you have the following symptoms.
The questionnaire helps to identify possible signs of vitamin B9 (folic acid) deficiency in the body. Please select if you have the following symptoms.
Questionnaire for identifying possible signs of vitamin B12 deficiency. Please answer the questions by indicating whether the listed symptoms are characteristic of you.
The questionnaire helps to identify a possible deficiency of vitamin B6 based on characteristic symptoms. Please select which of the listed symptoms you have.
The questionnaire allows you to assess the presence of symptoms characteristic of vitamin B3 (niacin) deficiency. Please select if you have any of the symptoms listed below.
Self-diagnostic questionnaire for possible vitamin B2 (riboflavin) deficiency. Please answer if you have any of the listed symptoms.
This questionnaire helps assess the likelihood of vitamin B1 (thiamine) deficiency. Vitamin B1 plays a key role in carbohydrate metabolism and the functioning of the nervous system. A deficiency can manifest as…