Vitamin B1 is necessary for Carbohydrate’s metabolism, Energy production and heart and brain cells natural function. People who use carbohydrates especially the white and purified ones such as white flour, sugar and purified rice a lot are in danger of Vitamin B1 deficiency .Vitamin B1 deficiency signs are: tiredness, memory reduction, Stomach discomfort, sleep disorders and disturbances, decreased appetite and weight loss.

Blood tests help you to get to know about Vitamin B1 deficiency.