The Library · Vol. 01Entry No. 73· Chapter 07

Bovine Colostrum

Bos taurus colostrum

The nutrient-dense first milk produced by cows within the initial 24–72 hours after calving. Bovine colostrum is rich in immunoglobulins (primarily IgG), lactoferrin, growth factors (IGF-1, TGF-β), and proline-rich polypeptides that have been studied for their role in immune modulation and gut barrier integrity.

3
Active compounds
2
In our products
2
Clinical citations
07
Superfoods
Bovine Colostrum (Bos taurus colostrum)

Bos taurus colostrumBotanical illustration

§ 1The molecules

Active compounds.

3 compounds · 6 statements

No.01

Immunoglobulin G (IgG)

Why this matters

  • № 01Supports passive immune defense in the gastrointestinal tract*
  • № 02Helps maintain gut barrier integrity and healthy intestinal permeability*
No.02

Lactoferrin

Lactotransferrin

Why this matters

  • № 01Supports the body's natural immune response through iron-binding activity*
  • № 02Helps maintain a healthy microbial environment in the gut*
No.03

Growth Factors (IGF-1, TGF-β)

Why this matters

  • № 01Supports tissue maintenance and healthy cellular renewal*
  • № 02Helps maintain the structural integrity of the intestinal lining*

*These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.

§ 2Receipts

What the research shows.

2 citations

“A randomized, double-blind, placebo-controlled trial in ICU-hospitalized patients found that bovine colostrum supplementation improved markers of intestinal permeability (plasma endotoxin and zonulin) and reduced gastrointestinal complications compared to placebo.”Nutrition, 2019
“A randomized, triple-blind, placebo-controlled trial in medical university students found that low-dose bovine colostrum (0.5–1.0 g/day) significantly reduced the frequency and severity of upper respiratory tract infection symptoms compared to placebo over a 107-day period.”Nutrients, 2023

§ 3Where it lives

Find Bovine Colostrum in

2 products

Colostrum Powder
Colostrum Powder
2,300 mg(25% IgG (575mg))
$22.42$29.90
Colostrum Capsules
Colostrum Capsules
500 mg(30% IgG (150mg))
$20.17$26.90
From the Library · Vol. 01

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125Ingredients
189Compounds
14Chapters
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A cross-section of the library — six chapters in view, plus eight more inside.Showing 12 · Browse all 125 →
Lion's Mane Mushroom
№ 01 · CH.01

Lion's Mane Mushroom

Hericium erinaceus

A distinctive white, shaggy mushroom used for centuries in traditional Chinese medicine.

HericenonesErinacinesβ-(1→3)(1→6)-glucan
Reishi Mushroom
№ 02 · CH.01

Reishi Mushroom

Ganoderma lucidum

Known as the 'mushroom of immortality' in traditional Chinese medicine, Reishi has been used for over 2,000 years to support longevity and overall wellness.

Ganoderic acidsβ-(1→3)(1→6)-glucanPolysaccharides
Ashwagandha
№ 11 · CH.02

Ashwagandha

Withania somnifera

One of the most important herbs in Ayurvedic medicine, used for over 3,000 years.

WithanolidesWithaferin ASitoindosides
Rhodiola Rosea
№ 12 · CH.02

Rhodiola Rosea

Rhodiola rosea

A powerful adaptogen that grows in cold, mountainous regions of Europe and Asia.

RosavinsSalidroside
Bacopa
№ 17 · CH.03

Bacopa

Bacopa monnieri

An ancient Ayurvedic herb known as 'Brahmi', used for thousands of years to enhance memory and learning.

Bacosides
Chinese Club Moss
№ 18 · CH.03

Chinese Club Moss

Huperzia serrata

A primitive, slow-growing moss native to mountain forests of China and Southeast Asia, used in Traditional Chinese Medicine for centuries.

Huperzine A
Bee Bread
№ 19 · CH.04

Bee Bread

Fermented Bee Pollen

Bee bread is pollen that has been fermented by bees using honey and their own enzymes.

Digestive EnzymesAmino Acids
Royal Jelly
№ 20 · CH.04

Royal Jelly

Apis mellifera secretion

The exclusive food of queen bees, who live 40x longer than worker bees.

10-Hydroxy-2-decenoic acidRoyalactin
Valerian Root
№ 22 · CH.05

Valerian Root

Valeriana officinalis

A flowering plant native to Europe and Asia, Valerian has been used since ancient Greece and Rome to promote relaxation and restful sleep.

Valerenic AcidIsovaleric Acid
Lavender
№ 23 · CH.05

Lavender

Lavandula angustifolia

A fragrant herb used for thousands of years to promote relaxation and sleep.

LinaloolLinalyl Acetate
Horsetail Extract
№ 30 · CH.06

Horsetail Extract

Equisetum arvense

An ancient plant dating back to prehistoric times, Horsetail is one of the richest natural sources of silica.

Silicon Dioxide
Fo-Ti
№ 31 · CH.06

Fo-Ti

Polygonum multiflorum

A revered herb in Traditional Chinese Medicine, known as 'He Shou Wu' meaning 'black-haired Mr.

StilbenesAnthraquinones

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From the Journal

Keep reading.

Journal · bovine-colostrum
Apr 10, 2026

Bovine Colostrum: Immunoglobulins, Growth Factors, and the Gut Barrier Compound That Isn't a Probiotic

Colostrum isn't a probiotic. It doesn't contain live bacteria. What it contains — immunoglobulins, lactoferrin, and growth factors — operates through mechanisms that are fundamentally different from anything in the probiotic category, and arguably more relevant to the modern gut-barrier problem.

Read article→

— End of entry

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