Vitamin B1 Side Effects
Vitamin B1 Side Effects:
Large doses of thiamine may cause drowsiness and muscle relaxtion. (source)
Is Vitamin B1 safe?
Vitamin B1 is generally considered safe and non-toxic, even at high doses. (source)PricePlow and ClutchWave LLC take no responsibility for the statements and links on this page. Consult your doctor before using any supplements. These statements have not been approved by the FDA.
Where to Buy Vitamin B1 Cheap:
| Product Name | Size | Lowest Price | Main Ingredient / Dollar | Go to Cheapest Store |
| NOW Foods Vitamin B-1 Thiamine 100mg | 100 Tablets | 2785.52 Milligrams of Vitamin B1 per dollar | ![]() |


