Based on the information available, it is suggested that folic acid and other B vitamins can play a significant role in reducing the risk of alcohol-related birth defects. Folic acid is essential for the healthy development of the neural tube, which forms the brain and spine of the fetus [1]. Alcohol consumption during pregnancy can lead to fetal alcohol spectrum disorders (FASDs), which include physical, behavioral, and learning problems [1]. Folic acid supplements are recommended for women who are pregnant or planning to become pregnant, as they can help prevent FASDs [1].

In addition to folic acid, other B vitamins, such as B6 and B12, are also important for fetal development and can help reduce the risk of FASDs [2]. Alcohol can interfere with the body's ability to absorb and utilize these vitamins, making supplementation especially important for pregnant women who consume alcohol [2].

It is important to note that the best way to prevent FASDs is to abstain from alcohol consumption during pregnancy [1]. However, for women who choose to drink alcohol, taking B vitamin supplements may help reduce the risk of FASDs [2].

In summary, folic acid and other B vitamins can help reduce the risk of alcohol-related birth defects. It is recommended that women who are pregnant or planning to become pregnant take folic acid supplements, and consider taking other B vitamin supplements if they consume alcohol [1, 2].

Sources:
[1] <https://www.marchofdimes.org/complications/fetal-alcohol-spectrum-disorders-fasds.aspx>
[2] <https://www.drugpatentwatch.com/vitamin-b-deficiency-and-alcoholism/>