Women’s Health in the United Kingdom: NAD⁺ and Sirtuin Pathways for Longevity and Healthy Aging

    innerbuddies gut microbiome testing

    Women’s Health at the Nexus of NAD⁺ and Sirtuin Pathways: Advancing Longevity and Healthy Aging

    Women’s Health in the United Kingdom: NAD⁺ and Sirtuin Pathways for Longevity and Healthy Aging

    Understanding NAD⁺ and sirtuins in women’s healthy aging

    In the context of Women’s Health in the United Kingdom, interest is growing in how NAD⁺ (nicotinamide adenine dinucleotide) and the sirtuin pathways support cellular vitality, metabolic balance, and DNA maintenance—foundational processes linked with healthy aging and longevity. NAD⁺ fuels key enzymes that help convert nutrients into cellular energy and coordinate stress responses, while sirtuins (SIRT1–SIRT7) act as nutrient- and time-sensitive regulators of gene expression and repair. As UK women aim to maintain energy, cognitive clarity, and cardiometabolic health across life stages, understanding these cellular longevity mechanisms can inform a science-aligned approach to long-term wellbeing.

    Why these pathways matter across life stages in the UK

    From the reproductive years through perimenopause and menopause, hormonal transitions can influence mitochondria, inflammation, and circadian rhythm—domains where NAD⁺ availability and sirtuin signaling are actively studied. Research indicates that NAD⁺ levels tend to change with age, and sirtuins help coordinate cellular repair, metabolic flexibility, and stress resilience—factors relevant to bone, heart, brain, and immune health. For women across England, Scotland, Wales, and Northern Ireland, a focus on these pathways aligns with broader goals such as sustained energy, balanced mood, and metabolic stability, complementing evidence-based UK public health priorities for healthy aging.

    Integrating science with UK wellness priorities

    Emerging, peer-reviewed findings suggest that lifestyle pillars—such as balanced dietary patterns, regular physical activity, restorative sleep, and effective stress management—may influence NAD⁺ metabolism and sirtuin activity, supporting cellular resilience over time. Within the UK’s emphasis on prevention and wellbeing, an informed, personalized approach can help British women navigate midlife transitions while maintaining long-term health goals. While the science continues to evolve, an evidence-informed perspective on NAD⁺ and sirtuins offers a promising lens on longevity and healthy aging—one that complements professional guidance and trusted UK health resources.

    innerbuddies gut microbiome testing

    Actionable Lifestyle Angles for UK Women: NAD⁺, Sirtuins, and Everyday Choices

    Nutrition aligned with UK guidance

    Building on this UK-focused overview, diet quality plays a central role in supporting cellular energy systems that interact with NAD⁺ and sirtuin pathways. A diverse, plant-forward pattern aligned with the UK Eatwell Guide—rich in colourful vegetables, legumes, whole grains, nuts, seeds, oily fish, and olive oil—provides micronutrients and polyphenols that may help maintain mitochondrial function and redox balance. Adequate protein across meals supports muscle and metabolic health, while B-vitamins, magnesium, and choline act as cofactors in energy metabolism. Emphasising fibre, moderating free sugars and alcohol, and choosing fermented foods for gut health can complement these cellular longevity targets in women’s health.

    Movement, sleep, and circadian rhythm

    Regular movement is a potent lifestyle signal for mitochondrial renewal and metabolic flexibility. A weekly mix of brisk walking or cycling, resistance training to preserve lean mass, and occasional higher-intensity intervals (tailored to ability) may influence NAD⁺ metabolism, AMPK activation, and sirtuin activity. Sleep and circadian cues also matter: consistent bed and wake times, morning daylight exposure—even during the British winter—and an evening wind-down that limits blue light and late caffeine support rhythm stability that intersects with sirtuin regulation and overall healthy aging.

    Perimenopause and menopause considerations

    During perimenopause and menopause, shifts in oestrogen, inflammation, and autonomic balance can affect energy, temperature regulation, mood, and sleep—domains where NAD⁺-linked stress responses and sirtuin-mediated gene regulation are being studied. Strength training, balance work, and brisk activity help protect bone and cardiometabolic health; dietary calcium and vitamin D from food sources support skeletal integrity. Personalised discussions with a qualified clinician about symptom management, including the potential role of HRT where appropriate, can be considered alongside lifestyle foundations for long-term wellbeing.

    Personalisation and progress tracking in the UK

    For women across England, Scotland, Wales, and Northern Ireland pursuing longevity and healthy aging, personalisation and monitoring are key. Practical steps include tracking energy, sleep quality, and training responses; reviewing cardiometabolic markers with a GP or accredited provider; and using trusted UK resources for nutrition and activity guidance. Progress is typically gradual: consistent habits, effective stress management, social connection, and purpose can reinforce cellular resilience over time—complementing the evolving science around NAD⁺ and sirtuins in women’s health.

    Read more: Women’s Health in the UK—NAD⁺ & Sirtuin Pathways for Longevity

    Get started with Longevity & Healthy Aging in 7 easy steps!

    • 1. Purchase a kit & create an account.

      Do not forget to buy the personalized nutrition advice and the 3-month Noory subscription to get maximum benefit for Longevity & Healthy Aging.

    • 2. Fill in 3 day food diary & survey

      In the survey select "Longevity & Healthy Aging" as your preferred target group. One FREE target group is included with every testkit.

    • 3. Take a stool sample

      And send it back in the return envelope with a prepaid return label. The return logistics and the laboratory process will generally take 3 to 4 weeks.

    • 4. View your results

      Once your results are uploaded and ready, you will receive an email. Login your dashboard to view all analysis results and recommendations. If you also included the nutrition advice and/or the 3-month Noory subscription in your purchase, these will also be available in your dashboard.

    • food recipe platform

      5. Noory platform

      If you bought the 3-month Noory subscription, you will receive direct access to personalized food recipes and meal plans on the Noory platform which AUTOMATICALLY take into account your gut microbiome nutrition advice, your allergies, intolerances and nutritional targets.

      Have ultimate real-time flexibility to choose the food recipes that you prefer to cook and eat. Accessible through desktop or mobile device.

    • health professional

      6. Link your Healthcare Professional (HCP) (optional)

      Both InnerBuddies and Noory are able to provide FREE access to the platform to your healthcare professional. But we need your EXPLICIT consent to do so given all privacy and health regulations. In the InnerBuddies platform you can also download all report sections in PDF format for sharing.

      Noory can also provide HCP access through NooryMed, a remote monitoring platform built for HCP's that allows sharing symptoms, food tracking and also takes into account Food - Drug interactions.

    • retest your gut health

      7. Retest your Gut Microbiome

      After your 3-month Noory subscription has ended, you can perform a new gut microbiome test and hopefully see the desired improvements in your test results. A new gut test will also update your nutrition recommendations and nutritional targets to the Noory platform so that you can start another 3-month improvement process. You can also select a new target group in the InnerBuddies platform if you want to set different objectives for the new 3-month period.

    The InnerBuddies module "Longevity & Healthy Aging" gives you insight in:

    • Gut Microbiome & Short-Chain Fatty Acids (SCFAs)

      SCFAs contribute to anti-inflammation, gut health, and metabolic regulation, all linked to longevity. SCFA's functions as the base mechanism for the other categories. Butyrate gets high weight because of its robust evidence base in inflammation control, gut barrier integrity, and mitochondrial health — all critical for longevity. Propionate pathways are also key, especially for metabolic aging. Acetate is more abundant but generally has broader and more moderate effects; still important, especially as a substrate and signaling molecule.

    • Anti-Inflammatory & Immune Modulation

      Chronic inflammation accelerates aging; these pathways reduce inflammatory markers. Bile acids are among the most potent microbial immunomodulators with systemic relevance (gut-liver-brain axis, mucosal immunity). Tryptophan-derived indoles are among the most potent microbial immunomodulators with systemic relevance (gut-liver-brain axis, mucosal immunity). Polyamines offer both immunomodulatory and cell-protective benefits, especially in aging tissue. LPS and ammonia detox are supportive pathways—critical but more indirect in their effects.

    • Energy Metabolism & Mitochondrial Health

      Efficient energy metabolism supports cellular function, reduces oxidative stress, and enhances lifespan. TCA cycle and ETC dominate due to their centrality in mitochondrial health, bioenergetics, and ROS control — all of which are strongly linked to aging processes. Fat oxidation (FAO) supports metabolic flexibility, ketogenesis, and fasting states — overlapping with caloric restriction benefits. BCAA metabolism is double-edged: essential for mitochondrial function but excessive levels may promote mTOR activation and insulin resistance — balance is critical.

    • Cellular Repair, DNA Protection & Autophagy

      These pathways regulate DNA repair, cellular stress resistance, and autophagy, essential for longevity. Methionine / glutathione gets top weight for direct protection against oxidative stress, a primary driver of DNA damage. NAD⁺ biosynthesis is central to sirtuin-driven longevity mechanisms and DNA repair. Folate supports DNA stability but has more indirect or cofactor-like effects compared to the above.

    • Caloric Restriction & Fasting Mimicry

      Certain pathways mimic the benefits of fasting and caloric restriction, which are linked to lifespan extension.

    Targeted Recommendations

    The module "Longevity & Healthy Aging" provides you with targeted nuttrition recommendations. Targeted not only on your unique gut microbiome but also targeted on the metabolic pathways that, according to the latest scientific publications, are important for Longevity & Healthy Aging.

    • Personalized on the DNA of your own Gut Microbiome

      Receive nutrition recommendations that according to our self-learning algorithms and our large customer database have the highest impact on your own unique gut microbiome.

    • Approved by our Dieticians

      We use Responsible A.I. techniques and built an algorithm that uses both our own proprietary databases but also the knowledge and experience of our strong dietician team.

    • Actionable

      Nutrition recommendations that you can just buy in your local supermarket. For your convenience, we also provide daily dosage recommendations.

    innerbuddies gut microbiome testing

    Focus on your Biological Age and support Longevity & Healthy Aging - Order the gut test that:

    • Provides a score between 0 and 100 of how your gut microbiome composition is optimized for Biological Age / Longevity / Healthy Aging
    • Provides detailed insight in how you rank for each of the microbial metabolic pathways that have been linked to Biological Age / Longevity / Healthy Aging according to the latest scientific publications
    • Uses a cutting-edge and science-based DNA technology
    • Provides you with nutritional and supplement recommendations based on your microbial results that are specifically optimized to lower your Biological Age and support Longevity & Healthy Aging
    • Is developed by an expert team of dieticians, specialists, and scientists to offer you the most accurate gut microbiome analysis

    How can InnerBuddies support in reducing your Biological Age and supporting Longevity & Healthy Aging?

    • Improved Digestive Health

      Optimizing the gut microbiome enhances digestion and nutrient absorption, ensuring the body gets vital vitamins and minerals necessary for cellular repair and maintenance, which supports overall health and slows biological aging.

    • Reduced Inflammation

      A balanced gut microbiome helps reduce chronic systemic inflammation—a major driver of aging and age-related diseases—thereby protecting tissues and organs and promoting healthy aging.

    • Enhanced Immune Function

      Gut health directly influences the immune system. Strengthening the microbiome boosts immunity, lowering the risk of infections and age-related immune decline, contributing to longevity.

    • Mental Health and Cognitive Function

      The gut-brain axis connects gut health with brain function. A healthy microbiome can improve mood, reduce anxiety, and support cognitive health, helping maintain mental sharpness with age.

    • Metabolic Health and Weight Management

      Microbiome-based nutrition helps regulate metabolism and blood sugar levels, reducing risks for diabetes and cardiovascular disease, which are linked to accelerated aging.

    • Antioxidant Support and Cellular Repair

      Supplements tailored to the gut microbiome can enhance antioxidant activity and promote cellular repair processes, protecting DNA from damage and slowing biological aging.