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Home NEWS Science News Health

Triple-Action Iron Supplement Boosts Gut Health and More

Bioengineer by Bioengineer
October 15, 2025
in Health
Reading Time: 4 mins read
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Iron-deficiency anemia remains one of the most pervasive nutritional disorders worldwide, manifesting primarily through symptoms such as chronic fatigue, recurrent headaches, and the unusual craving for non-food substances like ice. This condition arises when the body’s iron reserves become insufficient to support the production and functional efficiency of red blood cells, the vital carriers of oxygen necessary for cellular metabolism. Conventional management typically involves the administration of oral iron supplements; however, despite their widespread use, these treatments often come with a significant downside—a poor absorption rate coupled with gastrointestinal side effects, including inflammation and microbiota imbalance, which can diminish patient adherence and therapeutic outcomes.

Conventional iron supplements, though effective at replenishing iron levels, frequently result in unabsorbed iron accumulating in the gastrointestinal tract. This excess iron can catalyze oxidative stress and disrupt the delicate equilibrium of intestinal microbial communities, leading to adverse effects like gut irritation, inflammation, and further digestive discomfort. Consequently, clinicians sometimes prescribe probiotics alongside iron supplements to mitigate these complications by supporting the growth of beneficial bacteria, fostering a healthier gut environment, and improving iron bioavailability.

Taking this multifaceted challenge head-on, researchers have innovated a novel oral supplement integrating iron with both prebiotics and probiotics, encapsulated within a biocompatible hydrogel matrix. This approach is pioneering, as it simultaneously addresses iron supplementation, gut microbiome modulation, and inflammation reduction. The hydrogel utilized in this formulation is composed of hyaluronic acid, a naturally occurring biopolymer known for its excellent biocompatibility and protective properties, ensuring controlled release and targeted delivery of iron ions while preserving the viability of the included probiotic strains.

At the heart of this novel supplement lies a synergistic triad: dietary fiber extracted from millet acting as a prebiotic substrate, probiotic bacteria from the species Lactobacillus rhamnosus, and a stabilized iron complex. Millet-derived fibers serve as fermentable substrates that selectively nourish beneficial microbes, thereby promoting their proliferation and metabolic activity. Lactobacillus rhamnosus, a well-studied probiotic strain, is renowned for its resilience in the gastrointestinal environment and its role in enhancing immune responses and improving nutrient absorption. The integration of these components within the hyaluronic acid hydrogel creates a protective microenvironment, enabling the co-delivery of iron alongside microbial agents that support gut health.

Preclinical assessments in iron-deficient murine models have yielded promising results. Over a span of two weeks, mice administered the hydrogel-based tri-component supplement exhibited a substantial restoration of hemoglobin concentrations, indicating efficient correction of anemia. Notably, the iron excretion levels in these treated animals mirrored those observed in healthy, non-anemic controls, signifying effective systemic uptake and utilization of the supplemented iron. Genetic analyses further corroborated these findings, revealing upregulation of several genes implicated in iron transport and metabolism, demonstrating reactivation of physiological pathways essential for red blood cell function and iron homeostasis.

Equally significant was the observation of a marked reduction in colonic inflammation markers within treated subjects. Unlike traditional iron therapies that often exacerbate mucosal irritation, this advanced formulation minimized inflammatory responses, as evidenced by histological examinations and cytokine profiling. This anti-inflammatory effect is attributed to the probiotic influence and the prebiotic scaffold fostering a balanced microbial ecosystem, thereby mitigating the adverse immunological reactions commonly triggered by unbound iron in the gut lumen.

Furthermore, comprehensive gut microbiota analyses disclosed a restoration of beneficial bacterial populations that had previously been depleted due to iron-deficiency anemia and conventional supplementation. This microbial rebalancing effect not only supports intestinal health but also enhances nutrient absorption and systemic immunity, presenting a holistic therapeutic advantage. The inclusion of prebiotics ensured sustained microbial viability and activity, enhancing the symbiotic relationship between the host and its microbiota, which is pivotal for nutrient metabolism and overall well-being.

Biocompatibility assays conducted on human cell cultures confirmed that the hydrogel-based oral supplement is non-toxic and safe for ingestion, paving the way for translational research and potential clinical trials. The preservation of probiotic viability throughout the gastrointestinal passage is particularly noteworthy, given the challenges of delivering live bacteria orally amidst the harsh conditions of gastric acid and digestive enzymes.

This innovation exemplifies a paradigm shift in anemia management, moving beyond mere nutrient replacement towards integrated therapeutic systems that address the multifactorial complications resulting from iron deficiency and traditional treatment strategies. By harnessing the combined powers of biomaterials science, microbiology, and nutritional biochemistry, this hydrogel-based delivery system promises enhanced efficacy, improved patient compliance, and reduced side effects.

The researchers emphasize that while these preliminary findings are encouraging, further investigations involving larger animal models and eventually human clinical trials are essential to validate safety profiles, dosing regimens, and long-term benefits. If successful, this sophisticated supplement could redefine current anemia treatments, offering a scalable and patient-friendly option that mitigates the limitations of existing iron therapies.

Funding acknowledged from the Ministry of Science and Technology of India, alongside support from the National Agri-Food Biotechnology Institute, underscores the collaborative effort and investment in advancing public health through cutting-edge material science and biotechnology innovation. This research not only propels the field of anemia treatment forward but also reflects a broader trend toward integrating prebiotic and probiotic strategies with traditional pharmacology to achieve superior health outcomes.

In summary, the development of a hyaluronic acid hydrogel delivering iron supplementation in tandem with prebiotics and probiotics represents a landmark advancement. It embodies a holistic approach to correcting iron-deficiency anemia by simultaneously enhancing iron absorption, safeguarding gut integrity, and restoring beneficial microbial communities. Such an integrative methodology exemplifies the future trajectory of nutritional therapeutics, where multi-modal interventions tailored to human physiology and microbiome characteristics optimize disease management and wellness.

Subject of Research: Iron-deficiency anemia; biomaterial-based oral iron supplementation combined with prebiotics and probiotics to improve iron uptake and reduce side effects.

Article Title: “Hyaluronic Acid Hydrogel-Based Oral Delivery of Iron Supplemented with Probiotic and Prebiotic Ameliorates Iron-Deficiency Anaemia”

News Publication Date: 17-Sep-2025

Web References: DOI 10.1021/acsami.5c11368

Keywords: Chemistry, Health and medicine

Tags: chronic fatigue and iron deficiencyenhancing iron bioavailabilitygastrointestinal side effects of iron supplementsgut health improvementinnovative iron supplementationiron-deficiency anemia solutionsmicrobiota balance and ironnutritional management of anemiaoxidative stress and ironprebiotics for better digestionprobiotics and iron absorptiontriple-action iron supplement

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