La Choy Soy Sauce

Yes, La Choy Soy Sauce is high in histamine. Like all soy sauce, its base is a fermented soy product, and fermentation is exactly the process that builds histamine.

Why la choy soy sauce is rated high

Soy sauce gets its deep savory flavor from breaking down soy protein, and that protein breakdown is where the histamine comes from. Certain bacteria act on the amino acids in soy during fermentation and aging, and histamine is one of the byproducts. La Choy's label lists hydrolyzed soy protein rather than a long brewed mash, but the flavor and color of a soy sauce still come from that same protein-breakdown, salty, savory profile that HIT lists consistently flag as high. The corn syrup, salt, and potassium sorbate on the label are there for taste, sweetness, and shelf stability, not to raise or lower histamine.

What changes your risk

• It is fermentation-based, not fresh — there is no fresh version of soy sauce to reach for. The very thing that makes it soy sauce is the histamine-building process, so a newer bottle or a different brand does not make it low.
• Bottle age and open storage — once opened and sitting in the fridge for a long time, condiments like this can drift higher. A long-open, older bottle is generally a worse bet than a freshly opened one, though even fresh it stays high.
• Portion — soy sauce is used in small splashes, but even small amounts of a high-histamine, intensely savory condiment can add up across a meal for sensitive people.
• Heat does not help — stir-frying or simmering with soy sauce does not remove the histamine that is already in it. Cooking changes flavor, not the histamine load.
• Hidden in sauces — soy sauce turns up in marinades, teriyaki, and packaged Asian-style sauces, so the level can sneak in through other products, not just the bottle itself.

Lower-histamine alternatives

There is not a truly low-histamine version of soy sauce itself, since the flavor depends on fermenting soy. Coconut aminos is often suggested but is also fermented, so it is not a clean swap. For salty, savory depth without a fermented base, your best bets are plain salt, a splash of homemade broth from very fresh poultry, or fresh herbs and aromatics like ginger and green onion cooked into the dish. Some people build flavor with a little fresh garlic, olive oil, and freshly cooked meat rather than a bottled sauce.

How to lower the risk

If you are cooking for someone with histamine intolerance, the simplest move is to leave the soy sauce out and season with salt plus fresh aromatics instead. When you do keep a bottle for others, store it tightly closed in the fridge after opening and use an older bottle up rather than letting it linger. Reading labels matters here: soy sauce hides inside teriyaki, hoisin, oyster-style sauces, and many packaged stir-fry and dumpling products, so check for it beyond the obvious bottle.

Common questions

Is La Choy soy sauce lower in histamine because it uses hydrolyzed soy protein?

No. However the soy protein is broken down, the finished product still has the savory, fermented-style profile that HIT lists rate high. It should be treated as a high-histamine condiment.

Does cooking with soy sauce burn off the histamine?

No. Heat can kill bacteria, but it does not remove histamine that has already formed. Simmering or stir-frying leaves the histamine in the dish.

Is tamari or low-sodium soy sauce any safer?

Not for histamine. Tamari and low-sodium versions are still fermented soy products, so they sit in the same high range. Lower salt does not mean lower histamine.

What can I use instead of soy sauce in a stir-fry?

Season with salt and fresh aromatics like ginger and green onion, and add savory depth with broth made from very fresh chicken. It will not taste identical, but it avoids the fermented base.