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 both physical and psycho-emotional symptoms. Please select whether you have any of the listed symptoms.
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Vitamin B1: Lake Avenue Nutrition, Benfotiamine with Thiamine, 250 mg, 120 Veggie Capsules
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