Monosodium glutamate rewards a little know-how: how to choose it, cook it, store it, and substitute in a pinch. Browse 148 recipes to cook with it.

What is monosodium glutamate?

Monosodium glutamate, almost always shortened to MSG, is the sodium salt of glutamic acid, one of the most common amino acids in food. As a seasoning it shows up as small white crystals that look a lot like coarse salt.

What it delivers is umami: the savory, mouth-filling taste you already know from aged parmesan and a long-simmered meat stock. Glutamate is the molecule behind all of those. A pinch of MSG is a shortcut to that same deep, brothy quality without the hours of cooking.

It was first isolated in Japan in 1908 from kombu seaweed. Since then it has anchored home and restaurant cooking across East and Southeast Asia, and here it turns up in everything from General Tso's Chicken (Real Thing) to a pot of Capital Punishment Chili.

Cooking With MSG

Treat MSG as a flavor amplifier, not a flavor of its own. It makes meat taste meatier and broth taste richer, but it cannot add a taste that is not there. Stir it into anything savory, from soups and braises to marinades and dressings.

A little goes a long way. Start with about 1⁄4 teaspoon per pound (450 g) of meat or per quart (about 1 L) of soup, then taste before adding more.

Push past that point and the gains stop, and the food can turn slightly metallic on the tongue. Because MSG dissolves in water, it works best where there is moisture to carry it. Add it the way you would add salt, partway through cooking so it has time to disperse.

In something like Mochiko Chicken it goes straight into the marinade. In Satsuma Jiru (Miso-Flavored Pork & Vegetable Stew) it rounds out the simmering broth.

Pairing and Common Mistakes

MSG and salt are partners, not rivals. They hit different receptors, so a small amount of MSG lets you cut roughly a third of the sodium and still taste a fully seasoned dish. That is its single most useful trick in a savory kitchen.

It does the most good with protein and glutamate-rich foods: beef, pork, chicken, mushrooms, tomatoes, and cured cheeses.

The savory effect actually multiplies when glutamate meets the nucleotides in meat and mushrooms. That is why a pinch in a meaty chili tastes like far more than the sum of its parts.

The classic mistake is overdoing it. Too much MSG flattens a dish into one droning savory note and leaves a lingering, almost soapy aftertaste.

The fix is restraint. Under-season, then creep up by taste.

The other mistake is reaching for it in sweet or delicate dishes, where there is no savory backbone to amplify and it just tastes wrong.

What to Use Instead

The cleanest swap is to lean on naturally glutamate-heavy ingredients. A spoonful of soy sauce or fish sauce, a parmesan rind dropped into a simmer, or a few dried shiitake in the pot all deliver the same umami through whole foods.

For a near-direct powdered substitute, look for a mushroom-and-seaweed seasoning or a chicken or dashi bouillon powder. Use a bit more since they are less concentrated, and dial back the recipe's salt to compensate.

None of these is a true one-to-one match. They each bring their own flavor along with the glutamate, so a swap shifts the dish a little rather than replacing MSG invisibly.

Buying and Storing It

MSG is cheap and sold almost everywhere, usually in a shaker jar or a bag in the Asian aisle. The best-known brand, Ajinomoto, comes in fine crystals; Accent is the common North American shelf label. Any of them is the same compound, so buy on price and crystal size.

Store it exactly like salt, in a sealed container somewhere cool and dry. It is a stable salt with no real expiration, so it keeps for years and will not go rancid. Its only enemy is moisture, which makes the crystals clump.

If your jar has hardened into a solid block, the MSG is fine, it just grabbed humidity. Break it up, drop in a few grains of rice to absorb moisture, and keep the lid tight.

One reassurance worth stating plainly: decades of research, including reviews by the U.S. Food and Drug Administration, have found MSG safe for the general population at normal cooking amounts. The old "Chinese restaurant syndrome" scare was never borne out by controlled studies.

Quick facts

Where to find monosodium glutamate: Monosodium glutamate is usually found in the asian section or aisle of the grocery store or supermarket.

In Chinese

味精

British (UK) term

Monosodium glutamate

en français

Le glutamate monosodique

en español

glutamato monosódico

Recipes using monosodium glutamate

There are 148 recipes that contain this ingredient.

All 148 recipes

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