Why Keep Fat in Colostrum Powder?

Why Keep Fat in Colostrum Powder?

Why Whole Colostrum Is Better: The Protective Power of Fat

Bovine colostrum is one of nature’s most powerful superfoods, packed with immune-boosting antibodies, growth factors, and nutrients. The way it’s processed, and specifically whether it’s whole or skimmed, can make a big difference in how effective it is. I talk more on the difference between whole and skimmed here, see point 3.

I learned the value of colostrum early, since I grew up feeding the calves on the dairy, making sure they all got their adequate fill of colostrum. Now, having a family of my own, Erica and I explored the benefits of bovine colostrum, and realized it was something we wanted to make available for more families. This is another reason I find it so important to educate on the value of whole colostrum.

Whole colostrum truly does offer so much more when kept in its original, most natural state.

One of the key reasons whole bovine colostrum powder is so beneficial is because it retains its natural fat content, which plays a critical protective role in helping nutrients survive digestion and reach the gut—where they actually do their work.

Let’s break down why that matters.

Fat Helps Protect Nutrients Through Digestion

The digestive system is designed to break foods down, and it does that very well. Unfortunately, that means many delicate nutrients in colostrum, like immunoglobulins (antibodies), lactoferrin, and growth factors, can be damaged by stomach acid or digestive enzymes before they even reach the intestines.

Here's where the fat in whole colostrum comes in:

  • Colostrum fat acts like a shield. It helps surround and protect these sensitive compounds as they travel through the harsh environment of the stomach.
  • This protective coating means more bioactive nutrients survive digestion and actually reach the gut intact, where they can support immunity, gut lining repair, and overall health.

The Milk Fat Globule Membrane (MFGM)

More Than Just Fat: The Protective Shield

The fat in colostrum isn’t just calories, it includes something special called the milk fat globule membrane (MFGM). This is the outer layer that naturally surrounds fat droplets in milk and colostrum.

Think of the membrane like a shield, or a bubble surrounding the fat droplets to protect them along their journey to where they need to get to in our bodies.

MFGM contains: 

  • Phospholipids: Essential for brain and cell membrane health
  • Glycoproteins: Support immunity and gut health
  • Bioactive lipids: Help reduce inflammation and support immune defense

Studies have shown that MFGM supports brain development, strengthens the gut barrier, and even helps beneficial gut bacteria thrive.

When colostrum is skimmed, the fat is removed, which also takes away the MFGM, and along with it, many of these natural benefits.

Peptides from Casein Proteins: Gut and Immune Support

Colostrum also contains casein proteins, which break down into bioactive peptides during digestion. These peptides can:

  • Support the immune system
  • Help reduce inflammation
  • Strengthen the gut lining
  • Even act like natural antimicrobials

Whole colostrum keeps these proteins in their natural balance. Processing methods used to create skim colostrum can disrupt or remove these valuable components. While colostrum brands may not be intending to decrease their product’s quality, when they skim it for processing purposes, it impacts the end result that the consumer gets. Keeping the casein in your colostrum is important.

Why Whole Colostrum Powder Is the Better Choice

Choosing whole bovine colostrum powder means you’re getting a product that:

  • Preserves natural fats to protect nutrients through digestion
  • Includes the milk fat globule membrane (MFGM) for added immune and gut benefits
  • Retains casein proteins and peptides that support health on multiple levels
  • Delivers the full spectrum of what colostrum is meant to provide

Final Thoughts

Colostrum is only as powerful as what your body can actually use. Whole colostrum powder gives you a form that mimics how nature designed it, offering better protection, better absorption, and better results. Just like I saw the newborn calves growing up benefit from quality colostrum, our intention at WonderCow is always to bring you the best that we can.

If you're looking for maximum immune, gut, and overall wellness benefits, whole colostrum - not skim - is the clear winner.

Thanks for reading!

- Founder Rob

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