High-glutamate foods: the complete list
The compound behind umami - and behind a food-sensitivity claim that the science doesn't really support.
Glutamate has an unusual reputation. It's the compound behind umami - the savoury "fifth taste" that makes parmesan, tomatoes and a good broth so satisfying. It's also at the centre of a long-running food-sensitivity claim. Both things are worth understanding clearly.
Here's the complete list of high-glutamate foods, and an honest account of the science.
What glutamate is
Glutamate is an amino acid - a normal building block of protein, and one your body makes and uses constantly. In food it exists in two forms: bound (locked inside protein) and free. Only free glutamate is tasted, and it's free glutamate that gives the umami flavour.1
Free glutamate concentrates wherever protein has been broken down - so it's highest in aged cheeses, ripe tomatoes, mushrooms, fermented sauces (soy, fish, miso), cured meats and seaweed.1 MSG - monosodium glutamate - is simply the sodium salt of that same glutamate, added as a seasoning.
Here's the honest part. Despite decades of belief in "MSG sensitivity," controlled studies have never been able to find a reliable link between glutamate and the symptoms attributed to it, and major food-safety bodies regard MSG as safe.2 The body also doesn't chemically distinguish glutamate from MSG and glutamate occurring naturally in tomatoes or cheese. So a "high-glutamate" list is best read as a flavour map - and, for the small number of people who still suspect glutamate affects them, as a starting point for testing it properly rather than assuming.
The high-glutamate foods
Below is the full list of high-free-glutamate foods - drawn directly from the Triggerbites ingredient database.
The thread is unmistakable: the umami foods - aged cheese, tomato, mushroom, fermented sauces, cured meat, seaweed and broth. These are, by and large, foods prized for their savoury depth.
A balanced way to think about it
For the great majority of people, this is a list of delicious foods, not risky ones. If you nonetheless suspect glutamate affects you, the right move is to test it on your own evidence - because belief and biology don't always agree, and removing this many flavourful, often nutritious foods on a contested premise has a real cost.
Finding your pattern
The honest test is to track which high-glutamate foods you ate, the symptoms and timing that followed, and whether a genuine remove-and-reintroduce trial actually changes anything for you.
Where Triggerbites fits in
This list comes straight from the food data inside Triggerbites, which tags every ingredient for glutamate alongside 20+ other compounds.
So instead of assuming from a generic list, you can log meals and symptoms and see whether glutamate genuinely correlates with how you feel - real data on a contested question.
Triggerbites Features
- Log like you're texting: plain language, not database searches
- Automatic ingredient breakdown: we parse your entries into the basic components so you don't have to
- Built-in chemical tagging: FODMAP, histamine, salicylates, oxalates ++ more compounds flagged automatically
- Multi-window pattern recognition: correlations across same-day, next-day, and multi-day windows
- Reports you can share: something to take to a doctor or dietitian
It takes seconds a day, and it keeps the focus on evidence rather than reputation.
For related pieces, see food intolerance tests: what works and what doesn't and how to find your food triggers.
Live, love, log. 🧡
References
Article References and Citations
- WebMD: "Foods High in Glutamate" - https://www.webmd.com/diet/high-glutamate-foods
- International Food Information Council (IFIC): "Monosodium Glutamate (MSG): From A to Umami" - https://ific.org/wp-content/uploads/2025/04/Monosodium-Glutamate-MSG-Fact-Sheet-From-A-to-Umami.pdf