10 Best lysine for cold sores in Canada

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Last Updated - 2026/03/20

Best Choice

01
NOW

NOW Supplements, L-Lysine (L-Lysine Hydrochloride) 1,000 mg, Double Strength, Amino Acid, 100 Tablets

9.1 worth the money

8.4 Taste

8.0 simple to consume
Main highlights

SUPPORTS COLLAGEN SYNTHESIS*: Necessary for the production of all proteins in the body and is required for the maintenance of the structural proteins collagen and elastin*
GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
FAMILY OWNED & OPERATED: Proudly packaged in Canada by a family owned and operated company.
DOUBLE STRENGTH VEGAN TABLETS/ESSENTIAL AMINO ACID: Lysine is an essential amino acid that must be obtained through diet or supplementation
CERTIFICATIONS/CLASSIFICATIONS: Non-GMO, Vegan/Vegetarian, Kosher
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9.7

Exceptional

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02
NOW

NOW Supplements, L-Lysine (L-Lysine Hydrochloride) 1,000 mg, Double Strength, Amino Acid, 100 Tablets

9.1 worth the money

8.4 Taste

8.0 simple to consume
Main highlights

SUPPORTS COLLAGEN SYNTHESIS*: Necessary for the production of all proteins in the body and is required for the maintenance of the structural proteins collagen and elastin*
GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
FAMILY OWNED & OPERATED: Proudly packaged in Canada by a family owned and operated company.
DOUBLE STRENGTH VEGAN TABLETS/ESSENTIAL AMINO ACID: Lysine is an essential amino acid that must be obtained through diet or supplementation
CERTIFICATIONS/CLASSIFICATIONS: Non-GMO, Vegan/Vegetarian, Kosher
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9.4

Excellent

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03
Webber Naturals

Webber Naturals L-Lysine 1000 mg, 60 Tablets, Prevents Cold Sores, Vegan
Main highlights

Suitable for vegetarians and vegans
Reduces the recurrence of herpes simplex virus
Provides a convenient dose of 1000 mg of lysine per tablet
Prevents cold sores
Helps in collagen formation
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9.3

Excellent

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Value for Money

04
Webber Naturals

Webber Naturals L-Lysine 1000 mg, 60 Tablets, Prevents Cold Sores, Vegan
Main highlights

Suitable for vegetarians and vegans
Reduces the recurrence of herpes simplex virus
Provides a convenient dose of 1000 mg of lysine per tablet
Prevents cold sores
Helps in collagen formation
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9.2

Excellent

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05
Quantum

Quantum Health - Lysine+ Cold Sore Ointment 7g - Relieves Pain, Tingling, Burning, Blistering and Itching - Lip Care for Soothes and Moisturizes
Main highlights

Soothes, doesn't burn
Significantly reduce treatment time
Lysine with 14 healing herbs and vitamins
Immediate relief
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9.0

Excellent

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06
Quantum

Quantum Health - Lysine+ Cold Sore Ointment 7g - Relieves Pain, Tingling, Burning, Blistering and Itching - Lip Care for Soothes and Moisturizes
Main highlights

Soothes, doesn't burn
Significantly reduce treatment time
Lysine with 14 healing herbs and vitamins
Immediate relief
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8.8

Very Good

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07
Nature's Bounty

NATURE'S BOUNTY L-Lysine, 1000 mg, Helps reduce Recurrence of Herpes Simplex Virus, 60 Tablets, 91 g

9.1 worth the money

8.4 Taste

8.2 simple to consume
Main highlights

Reduce Herpes Simplex Recurrence: NATURE'S BOUNTY L-Lysine 1000 mg helps to reduce the recurrence of herpes simplex virus infection (e.g. cold sores)
Provides Amino Acid: Souce of essential amino acid for the maintenance of good health
Non-medicinal Ingredients: Carnauba wax, croscarmellose sodium, glycerine, hypromellose, magnesium stearate, microcrystalline cellulose, purified water, silica, stearic acid
Directions & Dosage: Adults, take one (1) tablet one to three (1 to 3) times per day
Contains: 60 L-Lysine 1000 mg tablets
Aids Collagen Formation: L-Lysine helps in collagen formation
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8.6

Very Good

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08
Nature's Bounty

NATURE'S BOUNTY L-Lysine, 1000 mg, Helps reduce Recurrence of Herpes Simplex Virus, 60 Tablets, 91 g

9.1 worth the money

8.4 Taste

8.2 simple to consume
Main highlights

Reduce Herpes Simplex Recurrence: NATURE'S BOUNTY L-Lysine 1000 mg helps to reduce the recurrence of herpes simplex virus infection (e.g. cold sores)
Provides Amino Acid: Souce of essential amino acid for the maintenance of good health
Non-medicinal Ingredients: Carnauba wax, croscarmellose sodium, glycerine, hypromellose, magnesium stearate, microcrystalline cellulose, purified water, silica, stearic acid
Directions & Dosage: Adults, take one (1) tablet one to three (1 to 3) times per day
Contains: 60 L-Lysine 1000 mg tablets
Aids Collagen Formation: L-Lysine helps in collagen formation
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8.4

Good

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09
Quantum Health

Quantum Super Lysine, 7 Gram Cream, 1 Bottle
Main highlights

Super lysine + ointment clinically proven to heal cold sores quickly naturally and painlessly quantum's leading all natural cold sore treatment contains lysine and 14 other vitamins herbs and minerals
Doesn't burn goes on clear and provides immediate soothing relief
Apply directly to cold sores at the first sign of tingling
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8.3

Good

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10
Quantum Health

Quantum Super Lysine, 7 Gram Cream, 1 Bottle
Main highlights

Super lysine + ointment clinically proven to heal cold sores quickly naturally and painlessly quantum's leading all natural cold sore treatment contains lysine and 14 other vitamins herbs and minerals
Doesn't burn goes on clear and provides immediate soothing relief
Apply directly to cold sores at the first sign of tingling
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8.2

Good

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