This is the 10538th most frequent Russian word.
витамина
The word "витамина" is the genitive singular or nominative plural form of "витамин," which means "vitamin" in English.
The word 'витамина' is used here to refer to a specific nutrient, vitamin C, in its genitive case form showing possession or attribution.
Мне нужно принять больше витамина C.
I need to take more vitamin C.
The word 'витамина' in genitive case denotes excess of vitamins in general, indicating a quantitative relation.
Излишек витамина может быть вредным для здоровья.
An excess of vitamin can be harmful to health.
The word 'витамина' is in the singular genitive form to indicate the beneficial properties attributed to a vitamin.