L-arginine is an L-alpha-amino acid that is the L-isomer of arginine. It has a role as a micronutrient, a nutraceutical, a biomarker, a mouse metabolite and an Escherichia coli metabolite. It is a L-alpha-amino acid, a glutamine family amino acid, an arginine and a proteinogenic amino acid. It is a conjugate base of a L-argininium(1+). It is a conjugate acid of a L-argininate. It is an enantiomer of a D-arginine. L-Arginine is the nitrogen donor for synthesis of nitric oxide, a potent vasodilator that is deficient during times of sickle cell crisis. L-Arginine exhibits anti-atherosclerotic effect, L-arginine and soy enriched diet are effective in prevention of osteoporosis associated with diabetes mellitus. Exogenous L-Arginine could enhance neonate lymphocyte proliferation through an interleukin-2-independent pathway.

L-citrulline is the L-enantiomer of citrulline. It has a role as a micronutrient, a protective agent, a nutraceutical, an EC 1.14.13.39 (nitric oxide synthase) inhibitor, a mouse metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a human metabolite. It is an enantiomer of a D-citrulline. It is a tautomer of a L-citrulline zwitterion.

L-valine is the L-enantiomer of valine. It has a role as a micronutrient, a nutraceutical, a mouse metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite, a human metabolite and an algal metabolite. It is a L-alpha-amino acid, a pyruvate family amino acid, a valine and a proteinogenic amino acid. It is a conjugate base of a L-valinium. It is a conjugate acid of a L-valinate. It is an enantiomer of a D-valine. It is a tautomer of a L-valine zwitterion. L-Valine is an essential amino acid for the human body. L-Valine and L-isoleucine could be used in the supplements of low-protein corn and soybean meal all-vegetable diets for broilers.

Darutoside can improve skin elasticity, surface appearance and stretch mark removal, through soothing the skin, decreasing inflammation, restoring collagen and promoting collagen production; it could as an appropriate treatment for wounds.

Menthone has anti-inflammary activity, it can suppress the lipopolysaccharide (LPS)-induced proinflammatory cytokines, interleukin-1beta (IL-1beta) and tumor necrosis factor-alpha (TNF-alpha), as well as nuclear factor kappaB (NF-kappaB) activity induced by LPS and other inflammatory agents. Menthone and menthol enhances the skin permeability by disordering the ordered organization of SC lipids and extracts part of SC lipids. P-menthan-3-one is a p-menthane monoterpenoid that is p-menthane substituted by an oxo group at position 3. It has a role as a volatile oil component and a plant metabolite.

L-lysine is an L-alpha-amino acid; the L-isomer of lysine. It has a role as a micronutrient, an anticonvulsant, a nutraceutical, a mouse metabolite, a Saccharomyces cerevisiae metabolite, a plant metabolite, an Escherichia coli metabolite, a human metabolite and an algal metabolite. It is a L-alpha-amino acid, an aspartate family amino acid, a lysine and a proteinogenic amino acid. It is a conjugate base of a L-lysinium(1+). It is a conjugate acid of a L-lysinate. Lysine is an essential amino acid for the human body. L-lysine and L-glutamic acid and as useful building blocks for the preparation of bifunctional DTPA-like ligands.