Overview
First milk with growth factors.
- Endogenously produced or biosynthesized molecule
- Standardized pharmaceutical- or food-grade supplement
- Combined with cofactors that improve absorption or activity
- Capsule or softgel
- Powder
- Sublingual or buccal
- Liposomal liquid
Mechanism of action
IgG, IGF-1, growth factors.
- · IgG, IGF-1, growth factors
Effects on the body
Organ system effects
Bovine Colostrum modulates innate and adaptive immune responses, including cytokine signaling and barrier function.
Bovine Colostrum influences gut motility, mucosal integrity, or microbial balance in the GI tract.
Evidence-based benefits
Reduces URTI in athletes
Moderate evidencePotential side effects
- · Well tolerated
Drug interactions
Safety & non-supplemental interactions
Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.
- ·Autoimmune disease (theoretical immune activation)
- ·Immunosuppressants
Supplement interactions
- Vitamin D3 + K2Foundational immune modulation.
- ZincRequired cofactor for innate and adaptive immune function.
- Multi-strain probioticSupports microbiome diversity and barrier integrity.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
Affiliate links — we may earn a commission at no extra cost to you. Amazon code supplementsch-20 is auto-applied at checkout. We don't endorse specific brands; verify third-party testing (USP, NSF, Informed Sport) before purchase.
Third-party testedIndependently verified Bovine Colostrum — look for USP, NSF, or Informed Sport seals on the label for purity and dose accuracy.Bovine Colostrum third party tested NSF
CapsulesPre-measured Bovine Colostrum capsules — easiest for travel and consistent daily dosing without scoops or scales.Bovine Colostrum capsules
PowderBulk unflavored Bovine Colostrum powder — best cost-per-gram and flexible dosing for stacking or mixing into drinks.Bovine Colostrum powder unflavored
Best sellersMost-purchased Bovine Colostrum products on Amazon — a quick way to see what's reviewed widely before you commit.Bovine Colostrum best sellerScientific evidence8Show studiesHide studies
Colostrum for URTI
Brinkworth GD, Buckley JD
174 adults
Reduced URTI incidence.
PubMed: Bovine Colostrum — Reduces URTI in athletes
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PubMed: Bovine Colostrum — randomized controlled trial
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PubMed: Bovine Colostrum — meta-analysis
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PubMed: Bovine Colostrum — pharmacokinetics
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PubMed: Bovine Colostrum — dose response
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Google Scholar: Bovine Colostrum — clinical evidence
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Cross-database citation index for Bovine Colostrum as it relates to "clinical evidence".
Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.