Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Colostrum, the first form of milk produced by mammals immediately after giving birth, is sometimes proposed as an alternative or adjunct to antibiotics due to its rich content of immune factors, antibodies (notably IgG), lactoferrin, and growth factors. Scientific studies, mostly in vitro and in animal models, show that colostrum possesses antimicrobial and immunomodulatory properties. For example, bovine colostrum has demonstrated inhibitory effects against various pathogens, including Escherichia coli, Salmonella, and Clostridium difficile. Some clinical trials in humans (especially in populations prone to gastrointestinal infections, such as children and immunocompromised individuals) suggest colostrum supplementation can reduce the incidence and severity of infectious diarrhea and may help prevent upper respiratory tract infections. However, the evidence is not robust enough to recommend colostrum as a replacement for antibiotics in treating established bacterial infections. Most studies are small, heterogeneous, and often use colostrum as a preventive measure rather than as a primary treatment for acute infections. Meta-analyses and systematic reviews highlight the need for larger, well-controlled trials to confirm efficacy and to clarify optimal dosing and safety. In summary, while colostrum shows promise as an adjunct to support immune function and prevent infections, there is insufficient scientific validation for its use as a direct alternative to antibiotics in most clinical situations.

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