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  • Essential Amino Acids: What They Are & Why You Need Them
    Essential amino acids cannot be synthesized by the human body and must be obtained from food. There are nine essential amino acids: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.

    These amino acids are essential for a variety of bodily functions, including:

    * Protein synthesis: Amino acids are the building blocks of proteins, which are essential for a variety of bodily functions, including muscle growth, tissue repair, and enzyme production.

    * Neurotransmitter synthesis: Some amino acids are used to produce neurotransmitters, which are chemicals that transmit signals between nerve cells. Neurotransmitters are essential for a variety of brain functions, including mood, sleep, and memory.

    * Hormone synthesis: Some amino acids are used to produce hormones, which are chemical messengers that regulate a variety of bodily functions, including growth, reproduction, and metabolism.

    * Immune function: Some amino acids are essential for the proper functioning of the immune system, which helps to protect the body from infection.

    Because essential amino acids cannot be synthesized by the human body, it is important to consume them in adequate amounts from food. Good sources of essential amino acids include meat, poultry, fish, eggs, dairy products, beans, lentils, and nuts.

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