Ingredient record
DL-methionine
“DL-methionine” appears in the ingredient information of at least one indexed pet food. Preparation, inclusion amount and the rest of the formulation can differ between products.
How to read this entry
We classify this term as named ingredient in the functional ingredients category. The linked products supply the observation; they do not by themselves establish the ingredient’s nutritional effect.
Check the declared form and amount, and whether any claim concerns this ingredient alone or a tested complete product.
Products mentioning this term
These links document the term in the site’s product ingredient sections. Most product sections are editorial summaries, not complete pack transcriptions. Check the manufacturer’s current label for a full list.
- Hikari Betta Bio-Gold
Manufacturer declaration transcribed in the product record - Hikari Excel
Manufacturer declaration transcribed in the product record - Hikari Goldfish Gold
Manufacturer declaration transcribed in the product record
Evidence status
This is an ingredient index entry linked to product information. We have not completed an ingredient-specific research appraisal for this entry. A term’s presence in a product does not demonstrate a health outcome, nutritional adequacy or the effect of that product.
Source and review
Product ingredient sections checked 24 September 2026. The linked product records show the wording and available source context. Manufacturer formulations and labels may change; verify the current pack and the intended market.