What's Another Name for the Vitamin Thiamine? The Answer is Vitamin B1
                                
                                
                                •
                                
                                
                        
                                    
                                    3 min read                                
                            
                                Fact: Thiamine was the first B vitamin to be discovered and isolated. What's another name for the vitamin thiamine? Most commonly, it is known as Vitamin B1, a vital nutrient that plays a crucial role in converting carbohydrates into energy and supporting various bodily functions.