Which of the following vitamins is an essential nutrient in humans that cannot be synthesized by intestinal bacteria?

Question

Quizplus · Accepted Answer

Vitamin C (ascorbic acid) is an essential nutrient for humans that cannot be synthesized by the body or by intestinal bacteria, unlike some other vitamins that can be synthesized by intestinal flora. Vitamin C is crucial for the synthesis of collagen, absorption of iron, and the maintenance of the immune system, among other functions.

Which of the Following Vitamins Is an Essential Nutrient in Humans