Understanding Pet Food Ingredient Sourcing and Ethics: Where Does Your Food Come From?

You've probably read the back of a pet food bag and thought: what does "meat meal by-product" actually mean? Or wondered why one brand publishes their exact recipe online and another uses vague phrases like "globally sourced premium meats." 🐾

If you've asked these questions, you are already ahead of most pawrents. Most pet food labels are deliberately written in a language designed to confuse, because the sourcing practices behind them would not survive scrutiny.

This post pulls back the curtain on how pet food ingredients are really sourced, what the legal definitions actually mean, why most brands hide their supply chain, and how to spot a company that is actually being honest about what goes into your furkid's bowl.

The two-tier system: human-grade vs feed-grade

Here is the single most important thing to understand about pet food sourcing: there are two completely different legal categories of ingredients, and they are held to wildly different standards.

Human-grade ingredients

Human-grade means the ingredient meets the same food-safety standards as food intended for human consumption. In the US, this means it complies with FDA regulations for human food (21 CFR Parts 110 and 111). In Singapore, imported human-grade ingredients meet USDA or FDA standards before entry. A human-grade ingredient has been:

✅ Sourced from animals deemed fit for human consumption at slaughter

✅ Processed and stored in facilities registered with the FDA and subject to FDA inspection

✅ Handled at every stage (cutting, freezing, transport, storage) with the same safety protocols as beef destined for a grocery store shelf

✅ Tested for pathogens before entering the supply chain

The legal requirement is strict: if a brand claims "human-grade," every ingredient AND the processing facility must meet the standard. Not most of them. All of them.

Feed-grade ingredients

Feed-grade is the catchall category for everything that does not qualify as human-grade. Feed-grade ingredients are legal for pet food, but they are held to a much lower standard. A feed-grade ingredient has been:

✅ Deemed safe enough to not poison a pet (after processing)

❌ NOT required to come from animals fit for human consumption

❌ NOT required to be processed in FDA-inspected facilities

❌ NOT required to meet the same pathogen-testing standards

Here is what matters: AAFCO (the Association of American Feed Control Officials, which Singapore's AVS uses as a baseline) does not require pet food to be human-grade. Both human-grade and feed-grade pet foods can be AAFCO-certified "complete and balanced." The certification tells you about nutritional completeness. It does not tell you about sourcing ethics.

What 4D meat actually is (and why it is legal in pet food)

Feed-grade processing opens the door to a practice that sounds dystopian when you first hear it: 4D meat.

4D stands for Dead, Dying, Diseased, and Disabled animals. Under US law, 4D meat can only be used in feed-grade products. An animal that died before slaughter, was diseased at slaughter, or was injured and unable to stand before processing cannot be used in human food. It can be processed into pet food.

This is not theoretical. A rendering facility that accepts 4D livestock for processing is a legal business operation in the US, Australia, and many other countries. The rendered protein and fat go into commercial pet food formulas all the time.

The key question: is 4D meat inherently bad for your pet? The safety answer is no, not inherently. A diseased animal that has been heat-rendered (processed at high temperature to kill pathogens) is technically as safe as human-grade beef. Nutritionally it can be complete and balanced.

But here is what should make you pause: you will never know if 4D meat is in your pet's food, because brands are not required to disclose it. A bag of kibble that lists "meat meal" or "meat by-product" on the label could contain 4D meat, it could contain post-consumer rendered restaurant waste, or it could contain human-grade trimmings. The label tells you nothing.

The ethics question is different from the safety question. If the practice feels wrong to you because you prefer not to feed your pet meat from dead or diseased animals, you have no way to know whether a conventional kibble brand respects that preference, because the ingredient sourcing is opaque.

By-products: useful protein vs leftover bin-scraping

Meat by-products are similar in principle to 4D meat: a legal category that sounds worse than it sometimes is, but worse than you probably think it is on average.

A meat by-product is any part of the animal that isn't muscle meat. This includes:

• Organ meat (liver, kidney, heart, lung) - genuinely nutritious, human-grade organs are actually premium
• Bone and bone meal - provides calcium, used in many balanced diets
• Rendered fat - calorie-dense, preserves well
• Cartilage, tendons, connective tissue - collagen source, used in homemade broths
• Meat trimmings from human-food processing - often completely wholesome

But it also includes:

• Intestinal contents (undigested food still in the digestive tract)
• Hide, hooves, feathers, beaks (in lower-grade renders)
• Diseased organ tissue that was trimmed away during human-food processing
• Unnamed renders from mixed animal protein sources

The problem is not that by-products exist. Organ meat is nutritious, and using every part of the animal is actually more ethical than throwing parts away. The problem is that "meat by-product" on a label gives you no way to distinguish between "premium organ blend" and "everything the human-food industry rejected."

And that opacity is by design. A brand that uses premium organ blends in their formula will usually name them (chicken liver, beef kidney, etc) because it is a selling point. A brand that uses a generic render with unspecified origins will label it as "meat by-product" because naming it would cost sales.

Country-of-origin: why brands hide it

Here is something you may have never noticed: most pet food brands do not tell you where their ingredients actually come from.

You might see language like "globally sourced premium proteins" or "international quality standards," but try to find specific country of origin. Most brands make it nearly impossible.

Why? Because ingredient sourcing in pet food is driven by cost arbitrage. A protein source that costs $2/kg in Thailand and $8/kg in New Zealand will be sourced from Thailand. A rendering facility in Brazil that will process material that European facilities would reject based on quality standards will be used because it is cheaper.

This is not a secret. Ingredient brokers openly sell "lowest-cost ingredients meeting AAFCO specs." A brand that claims to source only from Europe, only from the US, or only from any single region is usually either lying or paying 30-50% more than competitors who use global sourcing.

The industry norm is to use the cheapest ingredients that will pass AAFCO testing and not trigger customer complaints. Transparency about country of origin would force brands to either admit to sourcing from low-cost regions (which sounds bad, even if the product is safe) or to pay premium prices (which sounds worse to the accountant).

So most brands say nothing. The ingredient sourcing remains hidden.

The "human-grade" claim: what the law actually requires

We said earlier that "human-grade" is a legal claim with specific requirements. But here is the trap: the FDA does not formally certify pet foods as human-grade. Brands self-declare it.

A brand can print "human-grade" on their packaging if:

• Every ingredient meets FDA food standards
• The facility is FDA-registered for food processing
• The facility passes FDA inspection (or can, if audited)

The brand is required to back up the claim if challenged, but there is no pre-approval process. Meaning a brand can claim human-grade, and if nobody contests it hard enough, the claim stands.

The corollary: even brands claiming "human-grade" can vary. A brand using human-grade chicken breast but commercial feed-grade vitamin premixes is still claiming human-grade because the finished product is assembled in a facility holding the standard. But a brand using human-grade meat throughout, including human-grade supplements, has taken it further. The label does not distinguish between the two.

If you care about the difference, you have to ask. And most brands will not answer, because the answer is usually "our meat is human-grade, but some ingredients are sourced cost-competitively."

Why most kibble cannot claim human-grade

This is the practical reality: the vast majority of extruded kibble in the world uses feed-grade ingredients because human-grade kibble is not economically viable at scale.

Here is why.

Kibble production is a high-volume, low-margin business. A typical kibble production run makes thousands of tons at a time. The ingredient cost per ton is the dominant variable. The difference between human-grade and feed-grade ingredient sourcing is typically 30-50% in total ingredient cost.

To produce human-grade kibble at the same retail price as a feed-grade competitor, a brand would have to either accept much lower profit margins or pass the cost to the customer. The customer reaction is usually: "I can buy a bag of standard kibble for $30 or human-grade kibble for $60. I'll buy the standard." The market doesn't support premium kibble at human-grade prices for the volume brands need.

There are exceptions. A few premium kibble brands do use human-grade ingredients and claim it openly. They charge $3-5 per 100g instead of $0.50-2 per 100g. They sell to a niche customer base willing to pay for transparency.

For most dogs in most pet stores, the kibble was made with feed-grade ingredients for cost reasons, not quality reasons.

Fresh pet food and the sourcing advantage

This is why gently cooked and fresh pet food categories tend to lean human-grade.

Fresh food production is not high-volume like kibble. A batch of gently cooked meals might be 500 kg, not 5,000 kg. The batch size is smaller, the shelf life is shorter (requiring more frequent production runs), and the price point is higher ($3-6 per 100g instead of $0.50-2). The economics are completely different.

Within those economics, human-grade sourcing becomes competitive because you are not trying to achieve a $0.50/100g price point. You can absorb the cost difference and still sell at a margin.

Not every fresh brand uses human-grade sourcing. Some use feed-grade proteins to compete on price. But the fresh category as a whole skews toward human-grade because the business model allows for it.

How to verify a brand's sourcing claims: the three-question test

If a brand says they are transparent about sourcing, ask these three questions. If they will not answer, their transparency claim is marketing, not reality.

Question 1: What is the origin country of each named protein?

If a formula lists "chicken, beef, kangaroo," where does each one come from? A company serious about sourcing transparency will give you a specific answer: "Our chicken comes from [country], our beef from [country], our kangaroo from [country]."

Watch for answers like "we source globally from the highest quality suppliers" or "our sourcing partners are carefully vetted." These are evasions. They mean they are sourcing cost-competitively and do not want to admit it.

Question 2: Are all ingredients human-grade?

Ask directly: "Is every ingredient in your formula (including vitamins, minerals, and supplements) human-grade, or are some feed-grade?"

A honest answer sounds like: "Our meat proteins are human-grade. Our vitamin premix is feed-grade, standard in the industry" or "Everything in our formula is human-grade."

Evasions sound like: "We use premium quality ingredients" or "Our formula is AAFCO certified" or "We work with trusted suppliers." None of those answer the question.

Question 3: Will you publish your exact formula?

This is the ultimate transparency test. A brand confident in their sourcing will publish the exact recipe: every ingredient, every percentage, every supplier if relevant.

A brand unwilling to publish the formula has something to hide, whether that is sourcing practices, margins, or (most commonly) the fact that the formula is less impressive than the marketing suggests.

Why we publish our recipes openly

At The Bon Pet, we publish our exact recipes on our website. You can see every ingredient and every percentage. You can compare our formula to competitors. You can take our recipe to your vet, to a nutritionist, or to another brand and fact-check us.

We do this because we believe sourcing ethics matter, and trust only exists when nothing is hidden. Not because we are altruistic (we are a business, and we charge for our food), but because we think the customer deserves to know what they are paying for.

Our sourcing practices in Singapore:

✅ We use human-grade proteins only (chicken, beef, kangaroo, duck, fish, pork) sourced from suppliers we know by name

✅ Our kitchen is at 26 Pioneer Crescent, Singapore. You are welcome to visit and see the operation

✅ We cook at 80°C sous vide, which means we preserve more nutrients than high-heat processing

✅ We are AAFCO All Life Stages certified, which means our formula is tested to be complete and balanced for every life stage

✅ We freeze immediately after cooking and ship under cold chain (NinjaVan Cold Chain) to maintain safety

None of this is a marketing innovation. It is just the standard that should be normal in an industry where opacity has become the default.

Singapore context: AVS standards and local sourcing

In Singapore, the Agri-Food and Veterinary Authority (AVS) oversees pet food imports and local production. Imported pet food must meet either AAFCO standards (US) or FEDIAF standards (Europe). Local production is held to AVS standards, which align with AAFCO or can exceed it.

Being Singapore-made does not automatically mean ethically sourced. But it does mean the product is made in a jurisdiction with regulatory oversight and cold-chain infrastructure that is expensive to shortcut.

More importantly, a Singapore-made product can be visited, audited, and inspected in a way that an imported product cannot. If a brand claims to be transparent, you can ask to see their kitchen. If they refuse, transparency was marketing.

Frequently asked questions

Is feed-grade pet food unsafe?
No. Feed-grade ingredients that have been properly processed are safe for your pet. The AAFCO standards for complete and balanced nutrition apply equally to human-grade and feed-grade formulas. The ethical concern is not about safety; it is about sourcing practices that you may not want to support.

Does AAFCO certification mean the ingredients are human-grade?
No. AAFCO certification means the formula is complete and balanced in terms of nutrition. It says nothing about whether ingredients are human-grade or feed-grade. Both categories can be AAFCO-certified.

Is pet food made with by-products always low-quality?
Not necessarily. Organ meat (liver, kidney, heart) is a by-product by definition, and it is more nutritious than muscle meat alone. The problem is that "meat by-product" on a label does not tell you whether it includes premium organ or rendered waste. Vague labeling is the issue, not the category itself.

Why do some brands say "globally sourced" instead of naming the country?
Usually because they are sourcing from multiple regions based on cost, and naming all of them would be verbose or would reveal the cost-optimization strategy. A brand sourcing from three continents for ingredient cost reasons will avoid drawing attention to it.

Is imported pet food less transparent than local?
Not inherently, but imported products are harder to audit. A Singapore-made product can be visited. An imported product requires trusting the overseas manufacturer and importer. This is why asking a brand to publish their formula is the most reliable transparency test.

Can I verify a brand's claims myself?
Partially. You can ask the three questions. You can request their formula. You can check their AAFCO certification. You can ask where their ingredients come from. What you cannot do alone is verify that every claim is true without industry expertise or third-party audit. But asking the questions weeds out brands that are not prepared to be transparent at all.

How much should sourcing ethics affect my purchasing decision?
That depends on your values. If you prioritize cost above all, feed-grade formula from a conventional kibble brand is rational. If you prioritize knowing exactly what your pet eats, you might pay more for a brand publishing their full formula. If you prioritize supporting local producers with transparent operations, you might choose a Singapore-made brand. There is no right answer, only your priorities and what brands actually deliver against their claims.

Is sous vide cooking related to sourcing ethics?
Indirectly. Low-temperature cooking (80°C) preserves nutrients better than high-heat processing, which means you need less total ingredient volume to deliver the same nutrition. It is also a more expensive process, which makes it economically compatible with human-grade ingredient sourcing. A brand using 80°C sous vide is usually also investing in ingredient quality, because low-quality ingredients do not look or taste good at lower cooking temperatures.

How do I know if a brand is actually transparent or just using transparency as marketing?
Ask for the specific information. Transparent brands answer with specifics. Evasive brands answer with generalities. If a brand will publish their full formula with ingredient origins on request, they are probably serious. If they refuse, or give you evasive answers, they have something to hide.

The bottom line

Ingredient sourcing is the question most pet food marketing is designed to avoid. Brands spend millions on packaging, sponsorships, and influencer partnerships to avoid having a direct conversation about where their ingredients actually come from.

The good news: you have more power in this conversation than you think. Asking a brand directly about their sourcing costs them nothing to answer if they are honest. If they refuse or evade, that refusal is information.

If you want to see how your pet's food is made, and where every ingredient comes from, look for brands that publish their recipes openly. In Singapore, that means visiting the kitchen, asking for the formula, and fact-checking the claims yourself.

You can see our exact recipes here: The Bon Pet Formulas. If you want to know more about how we source, how we cook, or how we think about ingredient ethics, that page is the starting point.

If you have never tried human-grade fresh food and you want to see how your furkid responds before committing to a subscription, we offer free trial packs to start. Try our free dog trial or free cat trial and judge for yourself.

The most important question is not whether to switch your pet's food, but whether to demand transparency from whatever brand you choose. Once you start asking questions, brands start answering them.

❤️ The Bon Pet team