What does 補う mean?
補う is a Japanese verb meaning “to compensate for” in English. It is written as 補う in kanji, おぎなう in hiragana, and oginau in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
あなたの食事にはビタミンを補うほうがよい。
You had better supplement your diet with vitamins.