ReviewInternational journal of molecular sciences2026
Bioactive-Supplemented Infant Formulas and Early Gut-Immune-Endocrine Development: A Narrative Review.
Review in International journal of molecular sciences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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0 citing papers in PubMed.
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Nutrition in the early years of life plays a fundamental role in newborn growth, immune maturation, metabolic regulation, endocrine signaling, and neurological development, specifically through its interaction with the developing gut microbiota. Breast milk is the biological gold standard for infant nutrition; however, when breastfeeding is not possible, the development of formulations supplemented with bioactive substances can improve functional outcomes in comparison to standard milk formula. This narrative review discusses current evidence on formulas enriched with prebiotics, probiotics, postbiotics, synbiotics, human milk oligosaccharides, and other bioactive molecules. The review focuses on gut microbiota modulation, gastrointestinal function, growth and nutritional adequacy, immune development, infection-related outcomes, safety and tolerability, endocrine signaling, intestinal stem-cell regulation, obesity-related metabolic pathways, and emerging gut-brain axis interactions. Overall, available data indicate that bioactive-supplemented formulas are generally safe, well tolerated, and able to support normal growth, including in selected infants with specific clinical conditions. The most consistent effects are observed in the gastrointestinal tract, where supplementation promotes a more bifidogenic microbial profile, improves stool characteristics, supports intestinal barrier function, and influences microbial metabolic activity. By contrast, evidence regarding systemic immune effects, endocrine modulation, obesity prevention, and neurodevelopmental outcomes remains promising but heterogeneous and is still largely derived from preliminary human studies and experimental models. Therefore, these formulas may be considered a useful option when breastfeeding is not feasible, provided that their use is clinically appropriate and evidence based. Further studies are needed to clarify their long-term functional and clinical implications.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.