

L-Lysine 500 mg
NOW
Overview
L-Lysine is an essential amino acid that plays a crucial role in various biological functions, including protein synthesis, immune support, and collagen production. While the product provides a clinically relevant dose, the evidence supporting all of the claims is not uniformly strong, particularly for the prevention of cold sores. More research is needed to validate its effectiveness in certain applications. However, it is effective as a basic essential amino acid supplement.
The Good
Supports essential protein function
Aids in collagen production and tissue repair
May support immune function
The Bad
Potential for gastrointestinal discomfort at higher doses
Limited evidence for some claimed benefits
May interact with other medications
Is it for you?
Best For: Individuals seeking immune support, managing cold sores, or supporting collagen production
Skip If: You have kidney disease without consulting a healthcare provider
Ingredients Analysis
L-Lysine
500 mgHow to Use
Take one tablet or capsule, typically once daily, or as recommended by a healthcare professional.
Daily
Anytime
As directed by manufacturer or healthcare professional