Price: $20.79 - $18.85
(as of Dec 03, 2025 12:23:50 UTC – Details)
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 951
4.5 out of 5 stars 106
4.6 out of 5 stars 61
4.6 out of 5 stars 19
4.5 out of 5 stars 55
4.4 out of 5 stars 63
Price
$25.49$25.49 $18.85$18.85 $14.99$14.99 $18.99$18.99 $33.79$33.79 $19.99$19.99
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
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No Artificial Colours, Preservatives or Sweeteners
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Third Party Tested (ISURA)
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Canadian
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Product Dimensions : 7 x 7 x 11.6 cm; 220 g
Date First Available : Sept. 5 2024
Manufacturer : Natural Factors
ASIN : B0DG63GKFB
Manufacturer reference : 2860
Best Sellers Rank: #5,518 in Health & Personal Care (See Top 100 in Health & Personal Care) #137 in Amino Acids Nutritional Supplement
Customer Reviews: 4.5 4.5 out of 5 stars 106 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
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