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Amino acids

L-Lysine

Collagen · immunity

Essential amino acid; collagen, antiviral support. Common dose 1–3 g.

Daily target
1000 mg
Target Range
Upper limit
None
No UL established
Catalog matches
0
supplements in our catalog

How L-Lysine appears on labels

Supplement labels list L-Lysine under several names depending on the chemical form used. Any of these on an ingredients panel counts toward your L-Lysine intake:

  • l-lysine
  • lysine

Deep dive

For mechanism of action, dosing protocols, evidence grade, and interaction warnings on L-Lysine, see the full encyclopedia entry:

L-Lysine encyclopedia entry →

Related amino acids

Track your full intake

Formulate's free desktop app aggregates L-Lysine (and ~40 other nutrients) across every supplement in your stack — flagging underdoses, overlaps, and upper-limit overshoots in one view.

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Targets and upper limits are general adult reference values; individual needs vary by age, sex, pregnancy status, and clinical context.