After reviewing the available information, there is no evidence to suggest that prenatal vitamins can reduce the impact of alcohol.

Prenatal vitamins are essential for ensuring the proper growth and development of a fetus [3]. They typically contain various vitamins and minerals, such as folic acid, iron, calcium, and vitamin D, that support the mother's health and the baby's development [3]. However, there is no mention in the sources provided that prenatal vitamins have any protective effects against alcohol consumption during pregnancy.

Alcohol consumption during pregnancy can have severe consequences for the developing fetus, leading to fetal alcohol spectrum disorders (FASDs) [1][2]. FASDs are a group of conditions that can cause physical, behavioral, and learning problems [1]. The severity of FASDs depends on the amount and timing of alcohol exposure during pregnancy [1].

Therefore, it is crucial to avoid alcohol consumption during pregnancy to prevent FASDs and other potential complications [1]. If you are pregnant or planning to become pregnant and have concerns about alcohol consumption, it is essential to consult a healthcare professional for advice and support.

Sources:

1. <https://www.drugpatentwatch.com/p/tradename/ALCOHOL>
2. <https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4049164/>
3. <https://www.nichd.nih.gov/health/topics/pregnancy/conditioninfo/prenatal-care>