Besides serving as an antioxidant, what essential nutrient provided by onions supports the immune system?

Answer

Vitamin C

Onions are recognized for providing several essential nutrients beyond their unique protective plant chemicals. Specifically mentioned among these key contributions is Vitamin C, which plays a vital role in maintaining and supporting the body's overall immune system function. While Potassium is also listed as essential for fluid balance and nerve transmission, Vitamin C is the specific nutrient cited in conjunction with immune system support within the onion's overall nutritional profile.

Besides serving as an antioxidant, what essential nutrient provided by onions supports the immune system?
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