- Healthy immune system function*
- 500 mg
- Third-party certified and independently tested for GMOs and over 800 contaminants using advanced technology such as mass spectrometry to ensure purity and potency
From the brand
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Product Description
L-Lysine is an essential amino acid necessary for growth, development, tissue maintenance, and repair. L-Lysine supports a healthy immune system and is one of the nine essential amino acids that the body needs to manufacture proteins. Natural Factors amino acids are the highest quality pharmaceutical grade products available.* *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.