This is the 6006th most frequent Japanese word.
アミノ酸
Amino acid: Organic compounds that are the building blocks of proteins.
Here, "アミノ酸" is used in its biological context to describe the basic structural units of proteins.
アミノ酸はタンパク質を構成する基本的な成分です。
Amino acids are the fundamental components that make up proteins.
In this sentence, "アミノ酸" is utilized in a health and nutritional context to indicate essential biomolecules provided by a dietary supplement.
このサプリメントには、体が必要とするアミノ酸が豊富に含まれています。
This supplement is rich in amino acids that the body needs.
"アミノ酸" here is shown in a consumer information context, referring to its presence and measurement in foods.