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Colostrum Side Effects & Safety

Evidence:Moderate
·

This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer

Safety Profile

Overall safety rating: Generally Safe

Potential Side Effects

  • Generally well tolerated
  • Mild GI discomfort (bloating, nausea) in some individuals
  • Contraindicated in dairy/cow milk protein allergy
  • Contains trace lactose — may affect severely lactose intolerant individuals

Drug & Supplement Interactions

  • No major drug interactions documented
  • May theoretically interact with immunosuppressants due to immune-stimulating properties
  • Dairy allergy — strict contraindication

Maximum Dose

Do not exceed: 20g/day used in clinical studies; no established upper limit

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References

  1. Meta-analysisSerhal L, Ariza JM, Bareille N (2025). Systematic review and meta-analysis of biomarkers measured in colostrum and transition milk of beef and dairy cows following maternal dietary supplementation during the dry period.. Preventive veterinary medicine. DOI PubMed
  2. Meta-analysisFu ZY, Huang C, Lei L, Chen LC, et al. (2023). The effect of oropharyngeal colostrum administration on the clinical outcomes of premature infants: A meta-analysis.. International journal of nursing studies. DOI PubMed
  3. Meta-analysisKumar J, Meena J, Ranjan A, Kumar P (2023). Oropharyngeal application of colostrum or mother's own milk in preterm infants: a systematic review and meta-analysis.. Nutrition reviews. DOI PubMed
  4. Meta-analysisColonetti T, de Carvalho Florêncio I, Figueiredo P, Colonetti L, et al. (2022). Colostrum Use and the Immune System of Premature Newborns: A Systematic Review and Meta-Analysis.. Journal of human lactation : official journal of International Lactation Consultant Association. DOI PubMed
  5. Meta-analysisMalik MI, Rashid MA, Raboisson D (2022). Heat treatment of colostrum at 60°C decreases colostrum immunoglobulins but increases serum immunoglobulins and serum total protein: A meta-analysis.. Journal of dairy science. DOI PubMed
  6. Xavier Ramos MS, Martins CDC, Souza ES, Vieira GO, et al. (2021). Oropharyngeal colostrum immunotherapy and nutrition in preterm newborns: meta-analysis.. Revista de saude publica. DOI PubMed