This is the 16374th most frequent Korean word.
비타민c의
"Related to vitamin C."
Here, '비타민C의' shows that the phrase '중요한 공급원' (important source) is specifically related to or providing Vitamin C.
과일은 비타민C의 중요한 공급원입니다.
Fruits are an important source of Vitamin C.
In this instance, '비타민C의' is used to describe the context of consumption, clarifying that the focus is on Vitamin C intake.
휴식과 함께 비타민C의 섭취를 늘리세요.
Increase the intake of Vitamin C along with rest.
In this sentence, '비타민C의' is used to indicate possession or association, specifying that the mentioned efficacy belongs to or is attributed to Vitamin C.