Methionine
supplement · base score 1 · also listed as methionine, dl-methionine, d,l-methionine, dl-methionine, tryptophane
What is it?
Methionine is a supplement added for a specific benefit. Graded good: a real, recognisable ingredient that adds nutritional value, so it lifts a product’s score.
At a glance
- Category
- supplement
- Grade
- good
- Base score
- 1 (from −1 to 1; higher is better)
- Found in
- 85 products
- Also listed as
- methionine, dl-methionine, d,l-methionine, dl-methionine, tryptophane
Common questions about methionine
Is Methionine good for dogs?
Yes, we grade it as a good ingredient: recognisable and nutritionally useful, so it lifts a product’s score. Bear in mind that no single ingredient decides quality; the whole recipe and its balance matter more.
How many UK dog foods contain methionine?
85 UK products list methionine as an ingredient in our database. The full list is shown below, sorted by rating.
What else is methionine called on labels?
Manufacturers list it under several names: methionine, dl-methionine, d,l-methionine, dl-methionine, tryptophane. We match all of these to the same glossary entry when we read a label.
How does Open Dog Food grade methionine?
We grade it good, our highest grade, reserved for recognisable ingredients that add real nutritional value. 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.
What is methionine in dog food?
Methionine is an essential amino acid, sometimes listed as DL methionine, added to balance the protein profile of dog foods. It is needed for normal growth and maintenance. It is commonly used in both meat based and plant based recipes.
Why is methionine added to dog food?
Manufacturers add methionine to meet amino acid requirements when lower meat or higher plant protein levels are used. This helps keep the diet nutritionally complete. It is generally recognised as safe at proper inclusion levels.
