English version in progress: interface and data are in English; some explanatory text is still in Chinese.
L-Lysine
Full ranking Dose tool Products (573)
Key facts
Daily Value (US FDA)—
Tolerable Upper Intake Level (UL)— Authoritative daily maximum: 3,000 mg
Median（Per day）500 mgP5 12 – P95 1,970
Products573
Sources: https://webprod.hc-sc.gc.ca/nhpid-bdipsn/atReq?atid=lysine2&lang=eng · Health Canada NNHPD monograph: 133-3,000 mg L-lysine/day
Daily dose across products（mg/day）
Authoritative daily maximum 3,000
0.38 mglog scale · n=5737,218 mg
Label data from official national databases and brand websites, as declared; not lab-verified.
Top ranked
| Rank | Brand | Product | Per day | Score |
|---|---|---|---|---|
| 1 | GNC | GNC L-Lysine 1000 Tablet | 1,000 mg | 84.0 |
| 1 | Designs for Health | L-Lysine | 750 mg | 84.0 |
| 1 | New Roots Herbal Inc. | L-Lysine | 500 mg | 84.0 |
| 1 | Prairie Naturals Health Products Inc. | L-Lysine | 400 mg | 84.0 |
| 1 | Vita Health Products Inc. | L-Lysine 1000 mg | 1,000 mg | 84.0 |
For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.