L-citrulline and DL malic acid are two common chemical substances.
Firstly, L-citrulline is a non essential amino acid that plays an important physiological role in the human body and is one of the components of proteins. Therefore, it is often used in the pharmaceutical and health supplement industries to prepare protein nutritional supplements. Meanwhile, L-citrulline is also used to improve muscle fatigue and promote muscle growth, thus it has certain applications in sports nutrition products. L-citrulline can also be used in cosmetics and personal care products due to its moisturizing and antioxidant properties.
DL malic acid is an organic acid commonly used as a food additive, with functions such as seasoning, preservation, and enhancing product taste. In addition, DL malic acid is also used in the pharmaceutical industry as an acidity regulator and pharmaceutical ingredient.
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