The ascorbic acid one in citrus fruit brought an end to scurvy.
One of these organic compounds is required for proteins to form blood clots, and sunlight is necessary for the body to produce another. The lack of one fat-soluble type results in night blindness, while beriberi (BARE-ee-BARE-ee) is caused by a diet deficient in one called thiamine. The ascorbic acid one in citrus fruit brought an end to scurvy. For 10 points, name these organic nutrients like A, C, and B1 (B-"ONE") that are only needed in small amounts.
One of these organic compounds is required for proteins to form blood clots, and sunlight is necessary for the body to produce another.
{vitamins} [accept more specific answers of {Vitamin K, Vitamin D,} or {Vitamin A} until "thiamine" is read]