Being deficient in thiamine, or vitamin B1, can cause symptoms that are subtle and often overlooked. Here are 8 signs of thiamine deficiency, plus treatments.

Vitamin B1, or thiamin, is essential for glucose metabolism and healthy nerve, muscle, and heart function. A deficiency of vitamin B1 can be fatal.

Are you experiencing unexpected fatigue, tingling fingers or hair loss? While this could be the result of a variety of health conditions, it could also signal a vitamin deficiency. — 45% for ...

1.5 milligrams of thiamine (vitamin B1) 1.7 milligrams of riboflavin (vitamin B2) 20 milligrams of niacin ... You should see a GP if you're experiencing symptoms of vitamin B deficiency.