Which group of vitamins is most likely to be affected by alcohol-related fat malabsorption?

• A. Vitamins synthesized by gut bacteria only, such as vitamin B12 and vitamin K, but not fat-soluble vitamins despite malabsorption issues.
• B. Fat-soluble vitamins A, D, E, and K.
• C. Water-soluble vitamins B1 (thiamin), B12, niacin, and vitamin C exclusively, with no impact on fat-soluble vitamins.
• D. Only trace mineral cofactors such as copper and selenium, with no effect on vitamin absorption at all.

Answer: (B)