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Learn MoreAn essential amino acid
One of the nine essential amino acids, L-lysine plays a key role in the makeup of body proteins.†
Explore more below
Learn more about this essential amino acid.
L-Lysine is a building block for protein. It’s an essential amino acid that plays a key role in the creation of body proteins.†
Anyone looking to support the process of creating protein molecules may want to supplement their L-Lysine intake.†
L-Lysine is naturally found in animal-based foods, such as meat and dairy, but it can also be found in smaller amounts in plant-based foods, like legumes. Since the body can’t produce its own L-Lysine, it relies on food and supplement sources.
Explore expert answers to some of the most frequently asked l-lysine questions.
Does L-lysine have any side effects?
How much L-lysine should I take?
Is L-lysine a vitamin?
When does this product expire?