Walgreens
L-Lysine
87/100
SUPPIE SCORE
75/100
EFFICACY
High
SAFETY
94/100
CLEANLINESS
What Does L-Lysine Do?
Solid 500mg L-lysine dose with evidence for cold sore prevention. Clean formulation using standard excipients. Minimal safety concerns at this dosage.
How effective is 500mg L-Lysine daily for cold sore prevention?
Can L-Lysine interact with any medications I'm taking?
Is L-Lysine safe for long-term daily use?
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What Are the Benefits of L-Lysine?
Based on proven scientific research
Cold SoresStrong
Immune SupportModerate
Collagen SynthesisModerate
Good For:
What Are the Side Effects of Walgreens L-Lysine?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•500 mg daily dose is well within established safety limits for L-lysine
•Generally recognized as safe (GRAS) amino acid with low toxicity profile
•May increase calcium absorption; caution advised with hypercalcemia
•No major drug interactions reported at standard supplemental doses
•Safe for most adults; limited pregnancy safety data available
Potential Side Effects
Negative Interactions
Inactive Ingredients
Good
Good
Good
Low Risk
Good
What Are the Ingredients in Walgreens L-Lysine?
L-Lysine
500 mg
Microcrystalline Cellulose
Dicalcium Phosphate
Stearic Acid
Calcium Silicate
Magnesium Stearate
Sources & References
Frequently Asked Questions
Common questions about Walgreens L-Lysine