Manufacturer | Natural Factors |
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Manufacturer reference | 2860 |
Product Dimensions | 7 x 7 x 11.6 cm; 230 g |
ASIN | B0DG63GKFB |
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Natural Factors L-Lysine 1000mg, 120 Tablets, HIGH POTENCY, Reduces the Recurrence, Severity & Healing Time of Cold Sores, Proudly Canadian
Purchase options and add-ons
Brand | Natural Factors |
Flavour | Unflavored |
Primary supplement type | L-Lysine |
Unit count | 120.0 Count |
Item form | Tablet |
Item dimensions L x W x H | 7 x 7 x 11.6 Centimetres |
Age range (description) | Adult |
Package information | Bottle |
Number of Items | 1 |
Dosage form | Tablet |
About this item
- HELPS REDUCE THE RECURRENCE, SEVERITY & HEALING TIME OF COLD SORES: Natural Factors L-Lysine is an essential amino acid supplement that helps reduce the recurrence of the herpes simplex virus (HSV). It targets stubborn cold sores, helping to reduce severity and healing time.
- SUPPORTS COLLAGEN FORMATION & TISSUE REPAIR: The body needs L-lysine for muscle protein synthesis, and to form collagen and repair tissues such as the skin, tendons, and bones. This double-strength formula contains 1000 mg of L-lysine per tablet in its most effective free form.
- THIRD PARTY TESTING - ISURA VERIFIED CLEAN: The ISURA seal is your assurance that this product is independently verified as clean and safe, and has been tested for up to 800 possible contaminants. This product is ISURA verified clean, one of the highest testing standards in the world.
- VEGAN, NON-GMO, GLUTEN FREE, FORMULATED & PACKAGED IN B.C.
- NATURAL PRODUCT NUMBER (NPN): 80030459
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Important information
Ingredients
Medicinal Ingredients: Each tablet contains: L-lysine (hydrochloride) 1000 mg. Non-medicinal Ingredients: Microcrystalline cellulose, stearic acid, croscarmellose sodium, coating (carbohydrate gum [cellulose], glycerin), vegetable grade magnesium stearate (lubricant), silica.
Legal Disclaimer
Actual product packaging and materials may contain more and different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product.
Product Description

Provides Relief from Cold Sores
Uses & Benefits:
· Helps reduce the recurrence, severity, and healing time of cold sores
· Used therapeutically for HSV infections
· Supports collagen formation and tissue repair
· Provides an essential amino acid for muscle protein synthesis
Ingredients: Each tablet contains: L-lysine (hydrochloride) 1000 mg. Non-medicinal Ingredients: Microcrystalline cellulose, stearic acid, croscarmellose sodium, coating (carbohydrate gum [cellulose], glycerin), vegetable grade magnesium stearate (lubricant), silica.
Dosage: Recommended adult dose: 1 tablet 1–3 times daily or as directed by a health care practitioner.
Cautions: Consult a health care practitioner prior to use if you are pregnant or breastfeeding. Keep out of the reach of children.
Allergen Statement: Contains no artificial colours, preservatives, or sweeteners; no dairy, starch, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, animal products, salt, tree nuts, or GMOs. Suitable for vegetarians/vegans.
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Customer Reviews |
4.6 out of 5 stars 835
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4.4 out of 5 stars 66
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4.6 out of 5 stars 17
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4.4 out of 5 stars 13
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4.4 out of 5 stars 31
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4.4 out of 5 stars 33
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Size | 180 Veg Caps | 120 Tabs | 120 Veg Caps | 60 Veg Caps | 180 Tabs | 90 Veg Caps |
Benefits | Scavenges Free Radicals & Reduces Oxidative Stress. Aids in Respiratory Health. | Helps Reduce the Recurrence, Severity, & Healing Time of Cold Sores | Helps Decrease Cognitive Fatigue Resulting from Physically Stressful Situations | Enhances Muscle Tissue Repair After Exercise | Helps Support Healthy Heart Function | Assists in the Building of Lean Muscle Mass when Combined with Regular Resistance Training |
Key Ingredients | NAC (N-Acetyl-L-Cysteine) | L-Lysine (hydrochloride) | L-Tyrosine | L-Glutamine | L-Arginine (hydrochloride) | L-Tryptophan |
Potency | 600 mg | 1000 mg | 500 mg | 1000 mg | 1000 mg | 220 mg |
Gluten Free, Vegetarian, Non-GMO | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
No Artificial Colours, Preservatives or Sweeteners | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Third Party Tested (ISURA) | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Canadian | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Product information
Technical Details
Additional Information
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Product details
- Product Dimensions : 7 x 7 x 11.6 cm; 230 g
- Date First Available : Sept. 5 2024
- Manufacturer : Natural Factors
- ASIN : B0DG63GKFB
- Manufacturer reference : 2860
- 鶹 Rank: #5,675 in Health & Personal Care (See Top 100 in Health & Personal Care)
- Customer Reviews:
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Essential amino acid
Top reviews from Canada
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- Reviewed in Canada on June 26, 2025Verified PurchaseBottle was sealed. As describe. No idea if it works
- Reviewed in Canada on May 19, 2025Verified PurchaseThis product is excellent quality. I have re purchased several times.
- Reviewed in Canada on May 7, 2025Verified Purchasegreat product!
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Reviewed in Canada on March 18, 2025Verified PurchaseSatisfaite
- Reviewed in Canada on November 15, 2024Verified PurchaseI use it because I get canker sores in my mouth. I hardly get them now! I use every day!They are cheaper on 鶹 than store
- Reviewed in Canada on April 17, 2025Verified PurchaseI have been taking these at night and do not notice any significant difference, to anything.
Maybe I have to take it long-term to notice anything.
- Reviewed in Canada on November 20, 2024Verified PurchaseI like it
- Reviewed in Canada on May 11, 2025Verified PurchaseToo chalky.
Disclaimer:While we work to ensure that product information is correct, on occasion manufacturers may alter their ingredient lists. Actual product packaging and materials may contain more and/or different information than that shown on our Web site. We recommend that you do not solely rely on the information presented and that you always read and follow labels, warnings, and directions before using or consuming a product. This product may not be right for you. For additional information about a product, please contact the manufacturer. Content on this site is for reference purposes and is not intended to substitute for advice given by a physician, pharmacist, or other licensed health-care professional. You should not use this information as self-diagnosis or for treating a health problem or disease. Contact your health-care provider immediately if you suspect that you have a medical problem. 鶹.ca assumes no liability for inaccuracies or misstatements about products.