It’s also important for energy production, immune function, and the production of collagen and elastin ( 14). Lysine plays major roles in protein synthesis, calcium absorption, and the production of hormones and enzymes. It’s also important for immune function, hemoglobin production, and energy regulation ( 13). The last of the three BCAAs, isoleucine is involved in muscle metabolism and is heavily concentrated in muscle tissue. It also helps regulate blood sugar levels, stimulates wound healing, and produces growth hormones ( 12). Like valine, leucine is a BCAA that is critical for protein synthesis and muscle repair. It’s also necessary for tissue growth and the absorption of zinc and selenium, minerals that are vital to your health ( 11). This amino acid plays an important role in metabolism and detoxification. Often associated with drowsiness, tryptophan is a precursor to serotonin, a neurotransmitter that regulates your appetite, sleep, and mood ( 10). It also plays a role in fat metabolism and immune function ( 9).
MMASS EDIT REGULAR AMINO ACIDS SKIN
This is a principal part of structural proteins, such as collagen and elastin, which are important components of your skin and connective tissue. Valine helps stimulate muscle growth and regeneration and is involved in energy production ( 8).
That means it has a chain branching off from one side of its molecular structure. This is one of three branched-chain amino acids (BCAAs) on this list. It plays an integral role in the structure and function of proteins and enzymes and the production of other amino acids ( 7).
Your body turns this amino acid into the neurotransmitters tyrosine, dopamine, epinephrine, and norepinephrine. There are nine essential amino acids, each of which performs a number of important jobs in your body: How many essential amino acids are there? Conditionally essential amino acids are nonessential amino acids that become essential in certain circumstances, such as illness or pregnancy. Your body can’t produce the nine essential amino acids, so you need to get them from your diet. That’s why, in certain situations, people may take arginine supplements to meet their bodies’ needs.Īdditionally, certain amino acids, including glycine and arginine, are considered conditionally essential during pregnancy because a pregnant person needs more of these amino acids to support their own health and the health of the fetus ( 5, 6). These are essential only under specific circumstances, such as during illness, pregnancy, infancy, or trauma.įor example, arginine is considered nonessential, but your body can’t make as much as you need when you’re healing from a serious injury or fighting certain diseases, such as cancer ( 4). Several nonessential amino acids are classified as conditionally essential. This means they are “complete” sources of protein ( 2, 3).Īfter you eat protein, your body breaks it down into amino acids and then uses them for various processes, such as building muscle and regulating immune function ( 1). However, some plant foods, such as the soy products edamame and tofu, contain all nine essential amino acids. The best sources of essential amino acids are animal proteins such as meat, eggs, and poultry. These are histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.Īlthough your body can make nonessential amino acids, it cannot make essential amino acids, so you have to get them from your diet. While all 20 of these are important for your health, only 9 are classified as essential ( 1). Your body needs 20 different amino acids to grow and function properly. Amino acids are organic compounds composed mainly of nitrogen, carbon, hydrogen, and oxygen.
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