Lysine (symbol Lys or K) [2] is an α-amino acid that is a precursor to many proteins.

Overview Lysine is an essential amino acid. The human body cannot make lysine, so it must be eaten in the diet. Sources include meat, fish, dairy, and eggs.

Jul 9, 2025 · Lysine is an amino acid (building block of protein), and it is also known as L-2,6-diaminohexanoic acid, Lisina, Lys, Lysine Hydrochloride, Lysine Monohydrochloride, and other …

Nov 23, 2023 · Lysine is a type of amino acids that are the building blocks of proteins. It is vital for proper growth and plays an important role in the production of carnitine, which is a nutrient that …

Mar 25, 2025 · Lysine is an essential amino acid that people need to obtain from their diet. In this article, we discuss the function, benefits, and risks of lysine and lysine supplements.

L-lysine is an essential amino acid essential for tissue growth and repair. Learn about the 10 health benefits of lysine and how to obtain it from the 10 best food sources.

Talk to your healthcare provider before taking lysine if you have diabetes or use medicines to lower your blood sugar. You should talk to your doctor if you have osteoporosis or are using …

Jun 3, 2025 · Lysine has benefits and may prevent herpes flares, lower anxiety, and improve muscle strength. You can get lysine in your diet or through supplements.

Jul 20, 2025 · Lysine, or L-lysine, is an amino acid that serves as a building block of protein. It is classified as an essential amino acid, meaning the body cannot produce it. Instead, it must be …

Apr 2, 2024 · Lysine is an amino acid that is found mostly in animal products. Though more research is needed, it may help reduce anxiety, prevent cold sores, improve calcium …