Pure and Uncut Colostrum
The colostrum boom has created more marketing than integrity. Behind glossy labels and buzzwords, many brands destroy the very bioactives that make colostrum powerful.
Find out if colostrum is right for you — and whether your current supply is truly uncut.
What most colostrum brands don't want you to know
High heat processing & instantizing (denaturing the proteins)
Most colostrum powders are exposed to high heat, pressure, and aggressive instantizing steps designed to make them mix easily — but these steps come with a steep cost: they denature the very proteins and bioactives that make colostrum effective.
Colostrum contains fragile immunoglobulins, peptides, enzymes, and growth factors that have specific temperature thresholds. Once those thresholds are exceeded, the proteins unfold, break apart, and lose biological activity
What happens during high heat & instantizing:
- Immunoglobulins (IgG, IgA) lose structure → reduced binding ability
- Lactoferrin, PRPs, and enzymes become inactive
- Growth factors degrade rapidly
- Sensitive proteins oxidize under heat + pressure
- The final product mixes easily… but is basically milk, not colostrum
Colostrum isn't just milk — it's a collection of delicate bioactive molecules.
If you denature them, you erase the benefits.
Defatting processes (skimmed, loss of nutrients, sacrificing the "whole food")
Many engineered colostrum powders are defatted — a process that removes the natural fat layer to create a whiter, smoother, easier-to-mix product.
But this convenience comes at a major cost: it strips away the delivery system and protective structures that make colostrum biologically powerful.
The fat fraction of colostrum carries growth factors, immune-supporting lipids, and the Milk Fat Globule Membrane (MFGM) — the multi-layered membrane that shields delicate proteins and helps them reach the gut intact.
When that fat is removed, these nutrients are either lost entirely or left unprotected.
What happens when colostrum is defatted:
- Growth factors tied to the fat fraction disappear
- MFGM is removed → loss of natural protection
- IgG, lactoferrin, and PRPs become exposed and degrade easily
- Casein-bound peptides drop dramatically
- The result is a fractionated, overprocessed isolate — not true colostrum
Why it matters:
Whole colostrum is a *system*, not a single ingredient.
Remove the fat, and you remove the structure that keeps its bioactives active and effective.
Lack of Purity & Real Testing (The Part No One Talks About)
Most colostrum powders on the market don't undergo the rigorous testing needed to confirm purity, identity, or biological activity — leaving you guessing about what's actually in the tub.
Real colostrum requires specialized assays to verify that it's real, active, and free from contamination. Many brands simply don't run them.
What happens when purity isn't tested:
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Is it even colostrum?
Without radial immunodiffusion (RID), brands can't confirm colostrum identity or active IgG presence.
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Potential contaminants go unchecked:
Heavy metals, pesticides, herbicides (like glyphosate), and microplastics can slip through.
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Bioactivity isn't verified:
Tests like HPLC, ELISA, and RID are required to confirm that immunoglobulins and peptides remain intact after processing.
Why it matters:
If the product isn't tested, it might not be colostrum.
Purity and bioactivity aren't marketing terms. They're measurable.
If the colostrum is not real then it will not live up to the promise you've been sold.
Go ask your supplier these 3 questions:
DOWNLOAD GUIDE HEREWe didn't reinvent colostrum. We restored it.
Heart & Soil Grass-Fed Colostrum is as close to raw as the law allows—gently processed from the first milking. Verified for bioactivity through ELISA, HPLC, and RID testing.
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Bioactive
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Whole Food
(Non-defatted) -
Low Temp & Low
Pressure Processing -
Tested for
Purity -
The Promise of
Colostrum Restored
When bioactives are destroyed, you're left with milk powder—Not Colostrum.
The purest colostrum available.
Support immunity. Strengthen gut health. Speed recovery.
Feel The Difference Purity Makes.
