Which B vitamin is particularly affected by alcohol consumption?

Vitamin B1, also known as thiamin, is particularly affected by alcohol consumption. Alcohol interferes with thiamin absorption in the gastrointestinal tract and disrupts its conversion to the active form that the body utilizes. Chronic alcohol consumption can lead to a deficiency in thiamin, which is crucial for energy metabolism and the proper functioning of the nervous system. This deficiency is often seen in individuals who abuse alcohol and can lead to serious health issues, such as Wernicke-Korsakoff syndrome, characterized by neurological problems and cognitive impairments.

Other B vitamins are indeed important for overall health and can be affected by poor nutritional intake associated with heavy drinking, but thiamin is specifically noted for its strong relationship with alcohol consumption.