Seniors + longevity

Healthy ageing + longevity โ€” nutritional strategies for a longer healthspan, not just lifespan

Lifespan and healthspan are not the same thing. The goal of longevity nutrition is not simply to live longer it is to compress morbidity, maintaining physical and cognitive function, independence, and quality of life for as many years as possible. The nutritional science of healthy ageing is now one of the most evidence-rich areas in nutritional medicine with specific dietary patterns, nutrient interventions, and lifestyle practices demonstrably associated with both longer life and longer healthspan.

I offer a nutritional plan built around your specific markers โ€” inflammation, protein needs, muscle mass, and metabolic health โ€” rather than generic longevity advice.

Healthspan is the goal not just lifespan.

The nutritional science of ageing increasingly focuses on staying healthy and functional for as long as possible โ€” not just living longer, but spending fewer of those extra years in decline. Keeping you independent, cognitively sharp, and able to do what you love, right up until much later in life. And these interventions aren't reserved for the genetically lucky. They're nutritional, lifestyle-based, and available to everyone.

The pillars of longevity nutrition

What the science of healthy ageing actually supports

Anti-inflammatory dietary patterns

Chronic inflammation, often called 'inflammageing is one of the biggest drivers of accelerated ageing throughout the body. Mediterranean and plant-forward diets are consistently linked to longer, healthier lives in large studies, largely by lowering inflammation, supporting healthy blood vessels, and feeding a diverse gut microbiome.

Protein adequacy โ€” the paradox of ageing

As we age, protein needs go up just as appetite tends to go down โ€” a gap that drives sarcopenia (muscle loss), one of the strongest predictors of decline and mortality in older adults. The most effective strategy: protein-first eating, with enough protein at each meal to actually trigger muscle building, spread evenly across the day rather than loaded into dinner.

Mitochondrial nutrition

Mitochondrial function naturally declines with age, driving reduced cellular energy and increased oxidative stress. Antioxidant-rich foods, adequate B vitamins for cellular energy metabolism, and regular movement support mitochondrial health at the foundational, food-first level โ€” the starting point before considering anything more targeted.

Gut microbiome diversity

As we age, the gut microbiome tends to lose diversity and shift toward more inflammatory species โ€” fueling inflammageing directly. Dietary fibre diversity is the single most powerful lever here: aim for 30+ different plant foods weekly, since each contributes a different fibre type that feeds different beneficial bacteria. Fermented foods help too, and being thoughtful about antibiotic use protects the diversity you've built.

Blood sugar optimisation

Blood sugar swings speed up cellular ageing through a process called glycation, where excess glucose damages proteins and DNA over time. This isn't just a diabetes issue โ€” it applies to anyone whose blood sugar spikes after meals. Low-glycaemic eating, protein-first meals, and a short walk after eating all help smooth out these swings and slow this aspect of ageing.

Key nutrients for healthy ageing

The micronutrient priorities that shift with age

Several nutrients become more critical and harder to obtain in the later decades โ€” absorption declines, requirements increase, and deficiency consequences become more pronounced. Vitamin D deserves particular attention: deficiency is near-universal in older Canadians without supplementation, affecting immune function, bone density, and cognitive health, which is why year-round supplementation is the realistic standard. B12 absorption also declines with age regardless of dietary intake, since gastric acid and intrinsic factor production both decrease โ€” status should be assessed in all adults over 60. Omega-3s and magnesium are also commonly insufficient and worth discussing individually, particularly given how many medications affect magnesium absorption.

Ayurvedic perspective

Rasayana โ€” Ayurveda's science of rejuvenation

Healthy ageing in Ayurveda is the domain of Rasayana the most refined branch of Ayurvedic medicine, devoted entirely to the science of rejuvenation and longevity. Rasayana is not just supplementation it is a comprehensive approach to maintaining Ojas, sustaining Agni, and nourishing all seven Dhatu progressively through the Vata stage of life.

The Vata stage of life โ€” and what it requires

Post-reproductive years represent the Vata stage in Ayurveda characterised by the lightness, dryness, and mobility of Vata increasing naturally. Without active Ojas-building and Asthi-nourishing nutrition, the Vata qualities of this life stage accelerate decline. The Ayurvedic dietary response: warm, moist, oiled, and easily digestible foods; regular mealtimes; adequate healthy fat; and Ojas-building Rasayana foods throughout this stage.

Rasayana through food โ€” the daily practice

Rasayana is not a supplement protocol it is a way of eating across a lifetime. Warm, freshly cooked, easily digestible foods. Adequate healthy fat to nourish the Dhatu sequence. Ghee as a Rasayana vehicle. Sesame seeds for Asthi Dhatu. Pomegranate and turmeric as classical anti-inflammatory, Ojas-building foods. Regular mealtimes as the foundation that allows Agni to process nourishment into genuine vitality. The daily practice of Rasayana eating is more powerful than any single supplement.

My integrative approach

What working together looks like

Longevity nutritional assessment

Body composition (BIA โ€” fat mass, muscle mass, BMR), key nutrient markers (Vitamin D, B12, omega-3, magnesium, iron), metabolic picture, and current dietary pattern โ€” building the baseline.

Anti-inflammageing dietary foundation

Mediterranean-style eating, protein adequacy for muscle preservation, dietary fibre diversity for microbiome health, and blood sugar optimisation โ€” the four most impactful longevity dietary pillars.

Targeted longevity supplements

Supplements like Vitamin D, iron, B12, omega-3, magnesium etc โ€” assessed against current medications (many common older adult medications impair nutrient absorption or increase requirements).

Mitochondrial and Rasayana support

Building vitality from the ground up โ€” combining food-first mitochondrial support with the time-tested wisdom of Rasayana, Ayurveda's science of rejuvenation. This isn't about chasing the latest supplement trend โ€” it's a sustainable, whole-body approach to ageing well, nourishing your cells and your constitution together so you have the energy and resilience to keep doing what you love.

Looking for nutritional strategies to support healthy ageing and longevity?

Book a free 15-minute call.

The entire contents of this website are based upon the opinions of Manjiri Nadkarni (Manjiri Nadkarni Consulting) and is meant for educational purposes only and does not constitute medical/ psychological advice . Please note that Manjiri Nadkarni is not a dietitian, physician or other licensed healthcare professional in Canada. She is a Doctor of Ayurvedic Medicine - MD (Ayurveda) (licensed and regulated in India but not Canada), Registered Holistic Nutritionist as well as Oncology Nutrition Consultant. 

The content on this website is not intended to diagnose or treat any diseases. The information on this website is NOT intended as medical or psychological nor is it intended to replace the care of a qualified health care professional. Always consult with your primary care physician or licensed healthcare provider for all diagnosis and treatment of any diseases or conditions, for medications or medical advice as well as before changing your health care regimen.

Manjiri Nadkarni

BAMS ยท MD Ayurveda-India ยท India Trained Ayurvedic Medicine Doctor (Not a licensed medical doctor in Canada)

Registered Holistic Nutritionist (RHN)

Natural Nutrition Clinical Practitioner (NNCP)

Certified Oncology Nutrition Consultant (ONC)

Advanced Integrative Metabolic Consultant (in progress)

Social Media

Copyright 2026. Manjiri Nadkarni . All Rights Reserved.