Soybean
CautionPlain, well-cooked soybeans are not toxic, and soy protein is a standard ingredient in dog food. The caution is about dried raw beans, soy being a top canine food allergen, and salted or soy-sauce-braised preparations.
This food guide has not been reviewed by a veterinarian. It summarises general information from sources and should not be used to decide whether a food is suitable for an individual dog or to assess an emergency.
Check before feeding
Check the precautions before sharing
Risk depends on preparation, ingredients or amount. Read the precautions below; body weight alone cannot establish a safe portion.
Signs and health concerns
This list includes both observable signs and conditions identified through examination or testing. It cannot establish the cause or whether an exposure is safe.
- Excess gas
- Loose stool
- Diarrhoea
- Vomiting
- Abdominal pain
- Itching
- Broken tooth
- Intestinal blockage
More about this food
Soybeans are not a poisoning. Soybean meal is a routine protein source in commercial dog food, and AKC says a few fresh, plain edamame beans shelled out of the pod will not harm most dogs. The caution rating comes from three other places.
First, the form. Dried raw soybeans are rock-hard, they can chip a tooth, and a dog that swallows them without chewing sends them through undigested. Dried beans also absorb water and swell, so a small dog that hoovered a handful off the floor deserves watching for obstruction: repeated vomiting, a tender abdomen and no stool are the signs that mean a call. Raw and undercooked soybeans also retain heat-labile antinutritional factors that commonly produce vomiting and diarrhea. Any soybean a dog eats should be soaked and thoroughly cooked.
Second, allergy. VCA lists the most common food allergens in dogs as proteins from dairy, beef, chicken, chicken eggs, soy and wheat gluten, so soy is on the short list. Food allergy usually follows prolonged exposure rather than a single meal, and in dogs it shows as itchy skin, paws or ears, or as vomiting and diarrhea. Diagnosis takes an 8-12 week elimination diet. AKC recommends starting with one or two beans and watching, because soy reactions such as itching, coat loss and ear infections can be delayed.
Third, how soybeans usually reach the table. Salted edamame at a restaurant, soy-sauce simmered beans, roasted salted soy nuts and baked-bean style preparations all carry sodium and often sugar. AKC is explicit that spices, salt, soy sauce and oil used to cook edamame are especially unhealthy for dogs. Merck sets salt toxicosis at 2-3 g/kg, so a few salted beans will not reach it, but the habit is worth breaking. A generous portion of any bean also brings flatulence and loose stool.
So check the form and the amount. A few plain cooked beans need only fresh water and observation. A handful of dry raw beans, a large serving of soy-sauce braised beans, or repeated vomiting and abdominal pain afterwards all warrant a call to your veterinarian, or the ASPCA Animal Poison Control Center at (888) 426-4435. Do not induce vomiting at home.
Frequently asked questions
- Can I give my dog a few cooked soybeans?
- A few thoroughly cooked, unsalted, unseasoned beans are generally fine. Because soy is a common canine allergen, start with one or two and watch for itching or loose stool over the following days, and keep all treats inside 10% of daily calories.
- He ate dry, uncooked soybeans off the floor.
- Dry beans are hard enough to damage a tooth and they swell as they absorb water in the gut. For a small dog or a large amount, watch for obstruction, and call your veterinarian if you see repeated vomiting, abdominal pain or no stool passing.
- What about restaurant edamame?
- Salted edamame is not a good option, and AKC warns against beans cooked with salt, soy sauce, spices or oil. The pods themselves are a choking and digestion hazard, especially in small dogs. If you want to share, shell a couple of plain unsalted beans.