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#8 in Amino Acids Third-Party Tested
Nutricost L-Lysine 500mg
by Nutricost
"Essential amino acid for cold sore prevention, collagen synthesis, and calcium absorption"
Amazon Rating
4.6/5
Reviews
14,560
Price Range
$9.99 - $13.99
Servings
120
GMP CertifiedNon-GMO
Overview
L-Lysine is an essential amino acid that inhibits herpes simplex virus replication (cold sores), supports collagen synthesis, and enhances calcium absorption. Research shows 1-3g daily reduces cold sore frequency and duration significantly.
Key Ingredients
| Ingredient | Amount |
|---|---|
| L-Lysine HCl | 500mg |
1 ingredient linked to detailed encyclopedia profiles
Pros & Cons
What We Like
- 120 capsules under $10
- Cold sore prevention
- Collagen support
- Calcium absorption
What Could Be Better
- 500mg per capsule (need 1-3g)
- Multiple capsules needed
- Not effective for genital herpes
Who Is This For?
Best For
- Cold sore prevention
- Collagen synthesis
- Calcium absorption
Not Ideal For
- Genital herpes treatment
- Those without cold sore issues
Our Verdict
7.9/10 — Good
The cold sore amino acid. 120 capsules for HSV-1 prevention under $10.
Alternatives to Consider
No direct alternatives listed for this product yet.