Your Brain Fog And Exhaustion Could Be From This Common Vitamin Deficiency — And Alcohol Makes It Worse

“It’s hard for anyone in the US to have a true folate deficiency because so many foods are fortified with it,” Joshi said. Folate is found in a wide range of foods, including vegetables, fruit, nuts, beans, seafood, eggs, dairy products, meat, poultry and grains. For this reason, both doctors shared that if someone has a folate deficiency, they are likely deficient in other important nutrients, too.