L-Lysine HCl

Safe MineralSynthetic

L-Lysine HCl is a synthetic mineral used in dietary supplements. Safety rating: Safe. It is widely considered safe at typical supplement doses. Found in 7 supplements in the GoodSupp database. L-Lysine HCl is the hydrochloride salt form of the essential amino acid L-lysine.

7 Products use this
Safe Safety rating
Mineral Category
No Natural origin

Safety Verdict: Safe

This ingredient is rated safe for use in dietary supplements.

What is L-Lysine HCl?

L-Lysine HCl is the hydrochloride salt form of the essential amino acid L-lysine.

Common Names L-Lysine HCl, Lysine Hydrochloride
Type Mineral
Origin Synthetic / Manufactured
Safety Rating Safe

Why is L-Lysine HCl used in supplements?

It is used as a source of L-lysine in supplements.

Role in supplements: Mineral compound — provides a specific mineral in a bioavailable form the body can absorb.

Should you be concerned about L-Lysine HCl?

No. L-Lysine HCl is widely regarded as safe for use in dietary supplements at typical levels. It has a long history of use and is accepted by major regulatory bodies.

No action needed. This ingredient is safe at amounts used in supplements.

Top-rated products containing L-Lysine HCl

These 7 highest-scoring supplements in our database use L-Lysine HCl.

Related Ingredients
Frequently Asked Questions
Is L-Lysine HCl safe in supplements?

Yes. L-Lysine HCl is rated safe for use in dietary supplements at typical levels. This rating is based on regulatory assessments, published safety research, and its long history of use in the supplement industry. It is widely accepted by major regulatory bodies including the FDA and EFSA. In GoodSupp's database, 7 products contain this ingredient. Consult your healthcare provider if you have specific concerns.

What is L-Lysine HCl and why is it in my supplement?

L-Lysine HCl is the hydrochloride salt form of the essential amino acid L-lysine. It appears in 7 products in the GoodSupp database.

Is L-Lysine HCl natural or synthetic?

L-Lysine HCl is synthetically produced, meaning it is manufactured through chemical processes rather than directly extracted from natural sources. Synthetic ingredients are extremely common in supplements and are not inherently less safe than natural alternatives. In many cases, synthetic production allows for higher purity and more consistent quality. The FDA regulates both natural and synthetic supplement ingredients under the same safety standards. GoodSupp rates ingredients based on their actual safety data regardless of whether they're natural or synthetic.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.