Which of the following vitamins is primarily found in animal products and is essential for the formation of red blood cells?

• A. $\mathrm{Vitamin} E$
• B. $\mathrm{Vitamin} C$
• C. $\mathrm{Vitamin} B_{12}$
• D. $\mathrm{Vitamin} D$

Answer: (C)

Verified step by step guidance

1. Identify the vitamins listed in the problem: Vitamin E, Vitamin C, Vitamin B12, and Vitamin D.
2. Understand the role of each vitamin: Vitamin E is an antioxidant, Vitamin C is important for collagen synthesis, Vitamin D is crucial for calcium absorption, and Vitamin B12 is essential for red blood cell formation.
3. Recognize that Vitamin B12 is primarily found in animal products such as meat, dairy, and eggs.
4. Recall that Vitamin B12 is crucial for the formation of red blood cells and neurological function.
5. Conclude that the vitamin primarily found in animal products and essential for red blood cell formation is Vitamin B12.