Ingredient

Dl-methionine

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Source
Not animal-derived
Allergen
No
Role in food
DL-methionine is added to foods as a nutritional supplement, providing an essential amino acid. …

What it is

DL-methionine is a synthetic form of the essential amino acid methionine. It is manufactured chemically, often starting from petroleum-based products. Methionine is crucial for protein synthesis and various metabolic functions in the body.

Why it's used

DL-methionine is added to foods as a nutritional supplement, providing an essential amino acid. It is often found in pet foods and some specialty human food products, such as certain soups and crackers, to boost their amino acid content.

Health notes

In the US, DL-methionine is generally recognized as safe (GRAS) by the FDA when used as a nutrient or dietary supplement. International bodies like JECFA have evaluated methionine and established acceptable daily intakes. While essential, very high intakes of methionine can potentially impact health, but typical dietary levels are considered safe.

Allergen info

DL-methionine is not derived from any of the 9 FDA major allergens. It does not contain gluten.

Products containing Dl-methionine

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CHEEZA Cheese Crackers Flavored Snack Crackers High in sodium — 20% DV per serving High in saturated fat — 30% DV per serving 550kcal 15Protein 32.5Fat 47.5Carbs Kikkoman, Instant Tofu Miso Soup Kikkoman Sales USA, Inc. Kikkoman, Instant Tofu Miso Soup Other Soups 350kcal 30Protein 10Fat 30Carbs Kikkoman Sales USA, Inc. Kikkoman, Chinese Style Seafood Soup Mix, Crab, Crab Other Soups 278kcal 11.1Protein 0Fat 55.6Carbs Shiro Miso Soup Kikkoman Sales USA, Inc. Shiro Miso Soup Other Soups 350kcal 30Protein 10Fat 40Carbs Tokyo Chicken Momosan Ramen Non-Fried Noodles, Tokyo Chicken Sanyo Foods Corp. Of America Tokyo Chicken Momosan Ramen Non-Fried Noodles, Tokyo Chicken Other Soups High in sodium — 85% DV per serving 389kcal 6.3Protein 9.5Fat 69.5Carbs Sushi House, Inc. Instant Shiro Miso Soup Other Soups 350kcal 20Protein 10Fat 40Carbs
Salt (6 products) Disodium Guanylate (6 products) Yeast Extract (5 products) Disodium Inosinate (5 products) Modified Food Starch (5 products) Monosodium Glutamate (5 products) Wheat (5 products) Soybeans (5 products) Fish (4 products) Corn (4 products)

Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.