Sorghum is a gluten free cereal grain that is safe for dogs when cooked well. It is a whole grain with an intact bran layer, which makes it more filling and slower to digest than white rice. The main thing to know is that some varieties carry tannins that reduce how much nutrition a dog actually absorbs.
An old crop that reached dog bowls late
Sorghum has been grown for food across Africa and South Asia for thousands of years and is one of the most drought tolerant cereals in cultivation. In Western markets it spent decades mainly as livestock feed and only recently appeared in human and pet foods under the ancient grain label.
As a grain it is a true grass, like wheat and rice, but it contains no gluten. The seed is round and hard with a tough outer layer that stays largely intact through cooking, which is why sorghum keeps a distinct bite where rice goes soft. It supplies starch, a respectable amount of protein for a cereal, fiber, iron, phosphorus and B vitamins.
The ancient grain framing does a lot of marketing work and very little nutritional work. Sorghum is a competent carbohydrate source, not a superfood, and no evidence puts a dog eating it ahead of a dog eating rice.
Tannins, and why the variety matters
This is the specific issue with sorghum and it does not apply to most grains. Certain sorghum varieties, particularly those with pigmented seed coats, contain condensed tannins. The plant produces them as a defence against birds, and they work by binding protein.
That binding continues in the gut. Tannins attach to dietary protein and to digestive enzymes, and the practical effect is that a dog eating high tannin sorghum absorbs less protein than the ingredient list would suggest. In livestock feeding this is well documented and measurable. In a dog eating a modest amount of cooked sorghum as part of a balanced meal, it is a minor inefficiency rather than a hazard.
Varieties sold for human consumption are generally low tannin white or cream types, chosen because tannins taste astringent. Supermarket or health food sorghum is almost certainly low tannin. The bird resistant red and brown sorghums grown for feed carry the most, and they do not reach kitchens.
Cooking helps as well. Soaking and boiling reduce tannin content, and thorough cooking is required anyway to make the grain digestible.
Portions, and the specific care puppies need
There is no published serving amount of sorghum for dogs, because it is a carbohydrate ingredient rather than a nutrient with a requirement. Added on top of a complete meal, it falls under the general guidance that everything outside the balanced food stays below roughly a tenth of daily intake.
Puppies deserve a separate sentence here. A growing dog has a small stomach and a large nutrient requirement, and the balance of calcium, phosphorus, protein and energy during growth is narrower than at any other life stage. Filling part of a puppy's bowl with a bulky whole grain displaces food that was formulated to hit those targets. Whatever you might add to an adult's dinner without consequence carries more weight in a puppy, and grain toppers are one of the easiest ways to unbalance a growth diet without noticing.
If your puppy is on a complete growth food, the right amount of extra sorghum is close to none. Questions about what a growing dog should be eating belong with your vet, who can weigh the puppy and look at the whole picture.
Cook it plain in water, with no salt, stock or seasoning, and cool it fully. Introduce it alone and give it two days. Whole grains bulk up stool, so expect firmer and larger rather than looser.
Sorghum and the My Perfect Pet range
Sorghum is not an ingredient in any My Perfect Pet recipe. I pulled the live ingredient data for every recipe in the range before writing this piece, and it is absent from all of them. There is no sorghum based gently cooked food here.
Rice is the grain the brand uses where a grain is used. The Puppy Blend is built on chicken and beef with brown rice, potatoes and sweet potatoes, and is formulated for puppies and nursing mothers rather than adults. Brown rice makes the comparison neatly, because it is also a whole grain with its bran intact, and it is doing the same job sorghum would do: supplying energy and fiber inside a formula where the proportions have already been worked out.
That is the difference worth holding onto. A whole grain inside a complete recipe has been accounted for in the calculation. A whole grain spooned on top has not, and during growth that distinction matters more than it does later.
You will not find published ingredient declarations, guaranteed analysis, calorie figures or feeding directions on the My Perfect Pet website. Those live on the printed pack, in each recipe's Nutrition Facts Sheet PDF, and in the weight calculator on the relevant product page, and the brand can confirm any specific figure in writing. For general guidance on when a feeding question needs a professional rather than a search engine, the AVMA's pet owner resources are a sensible reference point.
Where sorghum is genuinely useful
Sorghum has a legitimate place in a few situations: as an alternative carbohydrate for a dog that has done poorly on common grains, explored with veterinary input, or in home cooking planned under professional guidance. Some dogs also prefer its firmer texture.
It is not an upgrade for a dog already doing well, and trading a settled diet for novelty is a reliable way to create a problem. It is not a weight loss food either, since sorghum is starch and brings calories with it.
Nor will it address the symptoms that usually prompt a grain search. Itching, recurring ear trouble, chronic loose stool and poor coat need a diagnosis, and an unfamiliar grain tends to delay that.
Common questions about sorghum and dogs
Can dogs eat sorghum?
Yes. Well cooked plain sorghum is safe for most dogs and provides digestible starch, fiber and a reasonable amount of plant protein. It must be soaked and simmered until soft, because raw or undercooked grains pass through largely unchanged.
Is sorghum gluten free?
Yes. Sorghum is a true cereal grass but contains no gluten, so it is suitable for the small number of dogs with a genuine problem with gluten containing grains such as wheat, barley and rye.
What are tannins in sorghum and do they matter for dogs?
Tannins are plant compounds that bind protein and digestive enzymes, reducing how much protein an animal absorbs. Pigmented feed varieties contain the most; sorghum sold for human consumption is typically low tannin. Soaking and thorough cooking reduce them further, so the effect in a dog's bowl is usually minor.
Is sorghum better than rice for dogs?
Not generally. Rice is more digestible and has a much longer record in dog food, while sorghum offers more fiber and a firmer texture. For most dogs the choice makes little practical difference, so pick whichever your individual dog handles well.
Can puppies eat sorghum?
A small amount of well cooked plain sorghum is unlikely to harm a healthy puppy, but it is rarely a good idea. Growth diets are balanced narrowly, and bulky grain added on top displaces the food meeting those targets. Discuss any additions to a puppy's diet with your vet.
Related reading: Millet for Dogs: A Gluten Free Grain in Fresh Recipes and Buckwheat for Dogs: Not a Wheat, and What That Means