Best L-Lysine products by transparent scoring (2026)
Single-ingredient products scored by public rules: dose fit, label transparency, data verification, company transparency, third-party testing. Not a measure of efficacy or safety. No paid placement.
Products ranked: 59 · Reference range: 250 – 3,000 mg (source) · Updated 2026-11-01
Reference range: derived from the cited reference values; see the methodology.
Single-ingredient products only.
Left out of this list: combination products (a single-ingredient list exists) (2)
Dose fit 40 · Label transparency 20 · Data verification 15 · Company transparency 15 · Third-party test 10 (No data (not scored); the other four parts are rescaled from 90 to 100) — Methodology · L-Lysine →
| Rank | Product | Per day | Score | Breakdown | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 tie |
GNC L-Lysine 1000 Tablet GNC · Malaysia NPRA |
1,000 mg | 93.3 | Breakdown
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| 1 tie |
L-Lysine Designs for Health · Health Canada LNHPD |
750 mg | 93.3 | Breakdown
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| 1 tie |
L-Lysine New Roots Herbal Inc. · Health Canada LNHPD |
500 mg | 93.3 | Breakdown
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| 1 tie |
L-Lysine Prairie Naturals Health Products Inc. · Health Canada LNHPD |
400 mg | 93.3 | Breakdown
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| 1 tie |
L-Lysine 1000 mg Vita Health Products Inc. · Health Canada LNHPD |
1,000 mg | 93.3 | Breakdown
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| 1 tie |
Now Foods - L-Lysine 500 mg NOW Health Group, Inc. · Health Canada LNHPD |
500 mg | 93.3 | Breakdown
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| 1 tie |
Now Foods L-Lysine 500mg tablet NOW Health Group, Inc. · Health Canada LNHPD |
500 mg | 93.3 | Breakdown
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| 1 tie |
Now Foods L-Lysine Powder NOW Health Group, Inc. · Health Canada LNHPD |
552 mg | 93.3 | Breakdown
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| 1 tie |
Now L-Lysine 1,000mg NOW Health Group, Inc. · Health Canada LNHPD |
1,000 mg | 93.3 | Breakdown
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| 1 tie |
Platinum Naturals L-Lysine Platinum Naturals Ltd. · Health Canada LNHPD |
500 mg | 93.3 | Breakdown
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| 11 | L-Lysine Thorne Research · US NIH DSLD |
1,500 mg | 92.2 | Breakdown
|
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| 12 | 21st Century L-Lysine 600mg Tablet 21st Century · Malaysia NPRA |
600 mg | 87.8 | Breakdown
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| 13 tie |
L-Lysine 1,000 mg Nature's Truth · US NIH DSLD |
3,000 mg | 83.3 | Breakdown
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| 13 tie |
L-Lysine 500 mg Nature's Truth · US NIH DSLD |
2,000 mg | 83.3 | Breakdown
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| 15 tie |
AOR L-Lysine Advanced Orthomolecular Research Inc. · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
Alpha & Beta Lysine Heritage One Trading Inc. · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
Genestra Brands Amino L-Lysine Seroyal International · Health Canada LNHPD |
450 mg | 76.7 | Breakdown
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| 15 tie |
Good For You L-Lysine 1,000mg tablet Good For You Corp. · Health Canada LNHPD |
1,000 mg | 76.7 | Breakdown
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| 15 tie |
Herbal Select L-Lysine 500mg Puresource Corp. · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
JAA-L-Lysine 1000 Jaapharm Canada Inc. · Health Canada LNHPD |
1,000 mg | 76.7 | Breakdown
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| 15 tie |
JAA-L-Lysine 800 Jaapharm Canada Inc. · Health Canada LNHPD |
800 mg | 76.7 | Breakdown
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| 15 tie |
L - Lysine HCL 1000 mg HLC-Healing Line Corp. · Health Canada LNHPD |
1,000 mg | 76.7 | Breakdown
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| 15 tie |
L - Lysine HCL 500 mg HLC-Healing Line Corp. · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
L-Lysine Natural Factors Nutritional Products Limited · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
L-Lysine Nutrition Plus Products Inc. · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
L-Lysine Nutri-Chem Pharmacy Ltd. · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
L-Lysine Organika Health Products Inc. · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
L-Lysine WN Pharmaceuticals Ltd · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
L-Lysine Holista Health (Canada) Inc. · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
L-Lysine Nutri-Care Canada Health · Health Canada LNHPD |
1,000 mg | 76.7 | Breakdown
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| 15 tie |
L-Lysine BioAid Health Products Inc. · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
L-Lysine 400 L-Lysine HCL Tablet 400 mg Jaapharm Canada Inc. · Health Canada LNHPD |
400 mg | 76.7 | Breakdown
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| 15 tie |
L-Lysine 500 L-Lysine HCL Tablet 500 mg Jaapharm Canada Inc. · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
L-Lysine 500 mg RX BALANCE TECHNOLOGY INC. · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
L-Lysine 500 mg | 500 mg | 76.7 | Breakdown
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| 15 tie |
L-Lysine 500 mg Au Naturel Inc. · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
L-Lysine HCL Alive Vitamins · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
L-Lysine HCL 500 mg Absorb Science Inc. · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
L-Lysine HCl Biotics Research Corporation · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
L-Lysine Hydrochloride 1000 mg Tablet Absorb Science Inc. · Health Canada LNHPD |
1,000 mg | 76.7 | Breakdown
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| 15 tie |
LAC L-Lysine 800mg Tablet LAC · Malaysia NPRA |
1,000 mg | 76.7 | Breakdown
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| 15 tie |
LYSINE 1000 mg Life Choice Ltd. · Health Canada LNHPD |
1,000 mg | 76.7 | Breakdown
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| 15 tie |
LYSINE 500 mg Life Choice Ltd. · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
Lysine Prime Health Ltd. (Canada Global Life Sciences) · Health Canada LNHPD |
400 mg | 76.7 | Breakdown
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| 15 tie |
Lysine Holy Land Traditional Medications Inc. · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
Lysine RX BALANCE TECHNOLOGY INC. · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
Lysine Wholesome Plus Marketing Inc. · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
Lysine Designs for Health Ltd. · Health Canada LNHPD |
600 mg | 76.7 | Breakdown
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| 15 tie |
Lysine 500mg Wholesome Plus Marketing Inc. · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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| 15 tie |
Omega Alpha Pharmaceuticals L-lysine Omega Alpha Pharmaceuticals Inc. · Health Canada LNHPD |
500 mg | 76.7 | Breakdown
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59 products were scored; the top 50 are listed here. See the rest in the product list.
For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.