The immune system doesn’t just fight infections—it also manages energy. Recent Nobel Prize-winning research and systems-immunology insights reveal that healthy immunity depends on how efficiently our cells balance metabolism and defence. Learn how Nordic Laboratories’ advanced functional tests can help practitioners explore the metabolic foundations of immune vitality.
Immunity Meets Metabolism
Immunity and metabolism are deeply intertwined. Every immune decision—whether to activate, regulate, or repair—depends on energy management inside the cell. This emerging field, known as immuno-metabolism, studies how nutrients, metabolic pathways, and immune signals interact to maintain balance.
In Cell Molecular Immunology (2022), Hongbo Chi described immuno-metabolism through a three-tier systems framework:
- Cells – T cells, B cells, macrophages and dendritic cells each use distinct metabolic strategies depending on their function.
- Pathways – Nutrient and immune signals converge on molecular sensors such as mTOR, AMPK, and HIF-1a, initiating metabolic reprogramming.
- Systems – Metabolic and immune networks interact across tissues to maintain organismal homeostasis, the biological foundation of health.
When viewed through this lens, immunity is not only a defence system—it’s an energy management system for the whole body.
The Nobel Perspective: Regulatory T Cells as Guardians of Balance
The 2025 Nobel Prize in Physiology or Medicine was awarded to Shimon Sakaguchi, Mary Brunkow and Fred Ramsdell for their discovery of regulatory T cells (Tregs) and the FOXP3 gene, which together form a cornerstone of immune tolerance.
From an immuno-metabolic standpoint, Tregs exemplify the energy-conserving state of immunity.
Whereas effector T cells rely on fast glycolysis to fuel immediate responses, Tregs favour oxidative phosphorylation and fatty acid oxidation—metabolic modes that promote stability, longevity, and controlled immune regulation.
This duality illustrates a key principle of healthy immune balance: activation requires rapid energy, regulation requires sustainable energy.
Healthy Immuno-Metabolic Signatures
Functional biomarkers can shed light on how efficiently immune and metabolic systems cooperate. These insights are valuable in a health optimisation context—helping practitioners guide lifestyle, nutritional and stress-management strategies to support balanced immunity.
| Functional Area | What It Reflects | Healthy Interpretation |
|---|---|---|
| Mitochondrial capacity | Cellular energy efficiency | High spare respiratory capacity and low resting oxidative stress |
| NAD? / NADH balance | Cellular redox status and energy regulation | Balanced ratios supporting sirtuin and AMPK activity |
| TCA intermediates (succinate, fumarate, citrate) | Energy-immune cross-talk | Balanced baseline with adaptive flexibility |
| Fatty acid oxidation markers | Sustained energy metabolism | Active lipid utilisation linked to immune tolerance |
| mTOR / AMPK signalling balance | Nutrient sensing and metabolic control |
Relevant Nordic Laboratories Tests
Nordic Laboratories offers a selection of functional and genetic tests that allow practitioners to explore aspects of metabolic and immune regulation—always within a preventive and health-optimisation framework:
| Test Name | What It Evaluates | Relevance to Immuno-Metabolism |
|---|---|---|
| Organic Acids Test (OAT) | Metabolic intermediates, mitochondrial function, detox and nutrient utilisation | Reveals patterns related to cellular energy, oxidative stress and nutrient demand |
| GI-MAP + Zonulin | Comprehensive gut microbiota and intestinal barrier markers | The gut is a major immune-metabolic interface; microbial metabolites shape immune balance |
| DNA Gut | Genetic variations influencing digestion, inflammation and barrier regulation | Shows how host genetics interact with microbial metabolism and immune function |
| DNA Core | Core pathways in methylation, detoxification and oxidative balance | Key for redox regulation and metabolic control relevant to immune resilience |
| DUTCH Complete + DNA Hormone | Steroid metabolism and hormone-gene interactions | Explores how hormonal signalling influences immune and metabolic tone |
| Fatty Acid Profile | Omega-3 and omega-6 balance, cell membrane composition | Indicates anti-/pro-inflammatory lipid signalling balance important for immune regulation |
| Comprehensive Nutrient Panel | Micronutrient status including B-vitamins, minerals, and antioxidants |
(All tests are intended for educational and health-optimisation purposes only. They do not diagnose, treat or monitor disease.)
Would you like to sign up with us as a practitioner?
Maintaining Balance Through Energy Awareness
Understanding immuno-metabolism allows practitioners and clients to appreciate the subtle interplay between nutrition, energy and immune intelligence. Supporting metabolic flexibility—through diet, exercise, sleep, and stress management—creates the conditions for sustainable immune health.
The future of functional medicine will increasingly focus on energy-driven resilience: how well cells adapt, communicate and conserve resources to maintain equilibrium.
References
- Chi, H. (2022). Immunometabolism at the intersection of metabolic signaling, cell fate, and systems immunology. Cell Mol Immunol, 19(3), 299–302. https://doi.org/10.1038/s41423-022-00840-x
- Nobel Prize Organization. (2025). The Nobel Prize in Physiology or Medicine 2025 – Press Release. https://www.nobelprize.org/prizes/medicine/2025/press-release
- O’Neill, L. A. J., & Pearce, E. J. (2016). Immunometabolism governs dendritic cell and macrophage function. J Exp Med, 213(1), 15–23.
- Buck, M. D., Sowell, R. T., Kaech, S. M., & Pearce, E. L. (2017). Metabolic instruction of immunity. Cell, 169(4), 570–586.
- Purohit, V., et al. (2022). Systems-based approaches to study immunometabolism. Front Immunol, 13, 889130.
Discover more
Multivitamins: Supporting Healthy Ageing through nutrient sufficiency
Healthy ageing is increasingly understood as a reflection of how well our biological systems maintain balance over time. While chronological age simply measures the number of years lived, biological age reflects how our cells, tissues, and metabolic systems are functioning.
View Detail
Omega-3 Fatty Acids and Human Health: What the Latest Research Reveals
Omega-3 fatty acids are essential nutrients that play a central role in maintaining healthy cellular function, particularly within the brain and nervous system. Among these, EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) are key structural and functional components of neuronal membranes, supporting communication between cells and overall brain physiology.
View Detail
The Health Benefits of Having a Dog: Microbiome, Mood & Movement
Discover how having a dog naturally supports microbiome diversity, mental wellbeing, and daily physical activity, backed by research and aligned with a health-optimisation lifestyle.
View Detail