New Zealand Colostrum Certifications Explained: What Each Seal Really Means

Q: What does FSSC 22000 certification mean for colostrum?

FSSC 22000 is a food safety certification that confirms an independent auditor has verified the facility where colostrum is processed, stored, and packaged follows strict hygiene and contamination-prevention protocols. It requires documented systems, regular testing, and unannounced audits—it's the gold standard for food safety in New Zealand.

Q: Why is ISO 17025 testing important for colostrum IgG levels?

ISO 17025 certifies that the testing laboratory uses accurate, validated methods to measure bioactive compounds like IgG (immunoglobulin G). Crucially, ISO 17025 labs use turbidity-corrected testing, which filters out damaged proteins and reports only bioactive IgG. This prevents inflated numbers that some brands report using less accurate testing methods.

Q: Does having many certifications guarantee high-quality colostrum?

Not necessarily. While certifications like FSSC 22000, Non-GMO, and rBST-free are important baselines, the real quality indicator is how the colostrum is processed. Gentle, low-temperature spray-drying (37–60°C) preserves bioactive compounds, while harsher processing damages them. Accurate IgG testing using turbidity-corrected methods matters more than the total number of certifications a brand displays.

Mar 23, 2026

New Zealand Colostrum Certifications Explained: What Each Seal Really Means

You're looking at a colostrum product and see a wall of logos: FSSC 22000, ISO 17025, Kosher, Halal, Non-GMO. They sound official. They look official. But what do they actually protect you from, and which ones actually matter for colostrum quality?

If you've felt lost decoding these certifications, you're not alone. The supplement world loves a good seal, but not all certifications are created equal—and some brands lean on them to distract from what's really happening in their processing plant.

The Core Certifications That Protect Your Colostrum

Let's start with plain English: certifications are third-party promises that a company meets specific standards. Think of them as the health inspector's report for your supplement.

The ones that matter most for colostrum fall into two buckets: food safety and ingredient integrity.

FSSC 22000 is the heavyweight food safety certification. It means an independent auditor has verified that the facility where colostrum is processed, stored, and packaged follows strict hygiene and contamination-prevention protocols. In New Zealand, this is the gold standard. It's not a participation trophy—getting FSSC 22000 requires documented systems, regular testing, and unannounced audits. If something goes wrong, it gets caught.

ISO 17025 is the lab nerd's certification, and that's a compliment. It means the testing laboratory that measures your colostrum's bioactive compounds—things like IgG (immunoglobulin G, a protective protein in colostrum)—has been independently validated to use accurate methods. Why does this matter? Because some brands test their colostrum using methods that don't account for protein damage during processing. ISO 17025 labs use turbidity-corrected testing, which means the numbers you see are actually bioactive, not inflated.

Non-GMO and rBST-free certifications are straightforward: they confirm the source cows weren't fed genetically modified feed and weren't treated with synthetic hormones to boost milk production. On a New Zealand farm, these are less about compliance and more about confirming what's already true—NZ cows are naturally raised on grass, not grain, and hormones like rBST are rarely used in our dairy system anyway.

Kosher and Halal certifications verify that the product and its processing meet religious dietary laws. If that matters to you, it's reassuring to have the confirmation.

Why Testing Accuracy Beats Certification Count

Here's where the story gets interesting: a brand can hold every certification and still sell you colostrum that's been damaged by heat.

Colostrum is fragile. Its most valuable compounds—immunoglobulins, lactoferrin, growth factors—denature (break down) when exposed to high temperatures. Some colostrum is processed at 70°C or higher. That's hot enough to kill the very things you're paying for.

Gentle, low-temperature spray-drying (37–60°C) preserves these bioactive molecules. But here's the trap: if you're testing with an inaccurate method, you won't know the difference. A product processed at 80°C might report the same IgG count as one processed at 45°C—one is real, one is inflated.

ISO 17025 labs use turbidity-corrected testing, which filters out damaged proteins and reports only the bioactive IgG that actually works. It's why a lower, accurate IgG number is infinitely more valuable than a higher, inflated one. Learn more about IgG testing and why accuracy matters.

How kāre's Certifications Reflect Our Sourcing Philosophy

We hold FSSC 22000, ISO 17025, Kosher, Halal, Non-GMO, and rBST-free certifications not because we're trying to cover a multitude of sins, but because they reflect how we actually operate.

Our colostrum comes from grass-fed, pasture-raised cows on New Zealand's South Island, below the Southern Alps. They roam outdoors 365 days a year. We process fresh colostrum within 48 hours of collection—never frozen—using gentle low-temperature spray-drying that keeps bioactive compounds intact.

And here's the part we're most proud of: we use turbidity-corrected IgG testing. That means when we tell you our colostrum contains a specific amount of IgG, that number reflects what's actually bioactive in your supplement. No inflation. No games.

The certifications prove it. The processing preserves it. See how New Zealand sourcing makes a difference.

The Ethical Piece You Won't Find on a Certificate

One more thing: our calves always get their first 4 litres of colostrum before we collect any for supplements. That's not certified. It's just how it should be.

Certifications matter. They're a baseline. But the real story of quality colostrum is told by how the cows are raised, how quickly the product is processed, how gently it's dried, and how honestly it's tested. We tick every box—and then we go a little further.

Ready to try colostrum that's certified, transparent, and actually bioactive? Try kāre today.