Lysine
supplement ingredient
What is it?
Lysine is a supplement added for a specific benefit. Graded medium: nutritionally adequate and nothing to worry about, but not a standout ingredient either way.
At a glance
- Base score
- 0.5 (from −1 to 1; higher is better)
- Found in
- 12 products
Products containing lysine
Results reflect the latest label we hold for each product, not a live check of today's recipe. Open a product to see its source and last-checked date.
Common questions about lysine
Is Lysine good for dogs?
We grade it medium: nutritionally adequate, but not a standout either way. The overall recipe matters more than any single ingredient.
What is lysine in dog food?
Lysine is an essential amino acid that dogs must obtain from their diet. It is needed for protein synthesis and is usually supplied by animal proteins or added as a separate amino acid.
Why is lysine added to dog food?
Lysine may be added to balance the overall amino acid profile of a recipe, particularly when plant proteins are used. A complete food should already contain enough lysine for most dogs.
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How many UK dog foods contain lysine?
12 UK products list lysine as an ingredient in our database. The full list is shown above, sorted by rating.
How does Open Dog Food grade lysine?
We grade it medium: nutritionally adequate, but nothing special either way. Every ingredient is converted to its dry-matter share and scored from our glossary before a recipe gets its 1-100 rating; the full method is on our methodology page.