What are top signs on B1 deficiency?

Let’s start with the signs. Here are the top signs of vitamin B1 deficiency:

1. Restless legs syndrome

2. Fast heart rate

3. Tingling or numbness in hands or feet

4. Edema

5. Nightmares

6. Coughing at night

7. Calf tenderness

8. Nystagmus

9. Nervous energy