All About Thiamine (B1) and Thiamine Deficiency

Muscle Weakness
However, persistent, long-standing muscle weakness without a clear cause or reason may be a sign of thiamine deficiency. In multiple cases, patients with thiamine deficiency have experienced muscle weakness .Vitamin B1 helps the cells in the body convert food into energy. If you do not have enough vitamin B1 this process cannot work properly. You may have symptoms such as tiredness, loss of appetite and muscle weakness. Taking man-made thiamine helps restore normal levels of vitamin B1 in your body. This allows your cells to work properly again and your symptoms should improve.