Nutrition and Diet Library
Every article, presentation, spotlight, and news item we've tagged to Nutrition and Diet.
Showing 1–24 of 49
Fasting-Mimicking Diet Reverses Metabolic Disease Through Cellular Repair
Fasting-mimicking diets trigger autophagy and cellular regeneration through a precise five-day protocol, with clinical evidence demonstrating reversal of insulin resistance and reduced medication dependency in metabolic disease. The mechanism operates as a repair system distinct from emergency symptom management—the body's inherent capacity to reorganize damaged tissue during the refeeding phase.
Dietary restriction in aging and longevity
Dietary restriction demonstrates geroprotective effects across species through multiple molecular pathways, though human data remains inconsistent and mechanistic understanding incomplete. This class of intervention represents a critical reference point for evaluating longevity strategies, particularly in identifying which downstream mechanisms drive aging resistance versus which reflect caloric reduction alone.
Pesticide burden and nutrient density: organic food trade-offs
Pesticide residues, antibiotic exposure through conventionally raised animal products, and differences in nutrient density between organic and conventional foods represent measurable variables that affect physiological function over time. The cumulative burden of these exposures intersects with detoxification capacity and metabolic health, making food sourcing decisions a legitimate consideration in longevity-oriented practice.
Mimio Health trial shows fasting‑mimetic delivers benefits without dieting
Mimio Health's fasting-mimetic therapy produced biomarker changes consistent with fasting physiology—including improved metabolic markers and enhanced fat metabolism—without dietary modification. The intervention was well tolerated and represents a pharmacological approach to accessing metabolic benefits traditionally associated with caloric restriction.
Fasting mimetic shows metabolic effects in trial
A randomized controlled trial of a fasting mimetic formulation in overweight older adults with elevated HbA1c showed reductions in LDL particle number, oxidized LDL, and fasting glucose over eight weeks. The compound—a blend of spermidine, nicotinamide, palmitoylethanolamide, and oleoylethanolamide—reproduced several cardiometabolic signatures associated with fasting without dietary restriction, though durability beyond the study period remains undemonstrated.
The Timing of Meals Matters for Biological Aging
Meal timing correlates with biological aging rates across multiple organs, with optimal outcomes occurring when the first meal is consumed before 8 a.m. and the last meal between 3 p.m. and 7 p.m., while extended feeding windows and late first meals accelerate aging markers in the heart and liver. This relationship varies substantially by age, sex, and metabolic health status, suggesting meal timing functions as a modifiable variable in aging trajectories.
Exoproteome of calorie-restricted humans identifies complement deactivation as an immunometabolic checkpoint reducing inflammaging
Caloric restriction reduces circulating C3a, a complement protein that drives inflammaging in aged tissues. This identifies a specific immunometabolic pathway through which moderate energy restriction extends healthspan in humans.
Correction to “An Ad Libitum‐Fed Diet That Matches the Beneficial Lifespan Effects of Caloric Restriction but Acts via Opposite Effects on the Energy‐Splicing Axis”
A correction to a study examining how ad libitum feeding can extend lifespan through mechanisms opposite to caloric restriction, particularly involving energy-splicing pathways. This finding challenges the assumption that caloric restriction is the only dietary approach to lifespan extension and suggests multiple metabolic routes can achieve similar longevity outcomes.
The Timing of Meals Matters for Biological Aging
Meal timing significantly influences biological aging rates, with earlier first meals (before 8 a.m.) and last meals between 3 p.m. and 7 p.m. associated with slower aging in heart, liver, and whole-body measures. The relationship is nonlinear and depends on age, sex, caloric intake, and organ-specific responses.
Fasting and Caloric Restriction Activate an ADIOL‐NHR‐91‐Kynurenine Pathway Signaling Axis to Promote Healthspan
Fasting and caloric restriction activate ADIOL, a steroid hormone that signals through estrogen receptor β to reduce kynurenic acid in the nervous system and improve healthspan independent of lifespan extension. This mechanism appears evolutionarily conserved and remains effective even when ADIOL is supplemented late in life.
Protein intake and its interaction with dietary patterns on clinical outcomes among older adults
Protein intake's effects on clinical outcomes in older adults depend significantly on overall dietary pattern, not protein amount alone. This interaction demonstrates that isolated nutrient optimization without attention to dietary context produces limited or inconsistent health benefits.
Time-Restricted Eating Extends Male Lifespan Without Systemic Changes
An 8-hour time-restricted feeding window extended median lifespan in male mice by 12%, independent of measurable changes in systemic metabolic or inflammatory markers. The effect appears sex-dependent and decoupled from the caloric restriction that typically accompanies feeding time windows in females.
Additional Cover
Fasting activates mitochondrial and endothelial repair mechanisms that reverse markers of vascular aging, with implications for extending healthspan through metabolic intervention. The research demonstrates that structured fasting protocols can restore cellular energy production and vascular function independent of weight loss.
Sex Differences in Cognitive Aging: Caloric Restriction and Butyrate
Lifelong caloric restriction combined with sodium butyrate—a short-chain fatty acid—produces sex-specific effects on cognition and metabolism in aging rats, with females showing greater cognitive preservation and males demonstrating enhanced metabolic flexibility. These findings suggest that interventions affecting energy availability and gut-derived metabolites may influence aging trajectories differently across biological sexes.
L-Nutra named Innovator Partner for the Longevity Show 2026
L-Nutra's fasting-mimicking technology platform, validated across 47 clinical trials and 18 university research centers, repositions precision nutrition as essential healthcare infrastructure rather than lifestyle optimization. The company's approach uses targeted nutrient formulations to trigger cellular repair mechanisms—autophagy and metabolic signaling—without the physiological stress of extended fasting, addressing metabolic dysfunction and age-related chronic disease at a systems level.
Short‐Term Dietary Intervention Alters Physiological Profiles Relevant to Ageing
A 4-week dietary intervention in adults aged 65–75 reduced KDM-derived biological age estimates, with the greatest effects seen in high-carbohydrate and semi-vegetarian groups. This rapid shift in composite biomarkers suggests diet produces measurable physiological changes relevant to aging trajectories, though longer-term data are needed to establish impact on disease risk.
Childhood Sugar Restriction Slows Brain Aging
Children exposed to sugar rationing during critical developmental windows showed measurably slower brain aging trajectories and reduced incidence of neurodegenerative and psychiatric disease in later life. This natural experiment provides evidence that early nutritional constraints on refined sugar may influence long-term cognitive resilience through mechanisms affecting brain structure and function.
[Editorial] The importance of safeguarding hydration for healthy ageing
Adequate hydration is a critical but often overlooked factor in healthy aging. Dehydration impairs multiple physiological systems and accelerates age-related decline, making hydration status a measurable and modifiable component of longevity strategy.
Kidney protection: why protein restriction may not be necessary
Protein restriction as a protective strategy for kidney function was developed in an era of different therapeutic options and disease management approaches. Contemporary evidence increasingly questions whether blanket protein limitation remains justified for most patients with kidney disease, particularly when other interventions address underlying pathology more directly.
Lactose‐Derived Carbohydrates Induce Sexually Dimorphic Nutritional Programming Effects on Lifespan in Drosophila melanogaster
Early-life consumption of galactose and glucose (lactose components) extends lifespan in female flies exposed to obesogenic diets in adulthood through reprogramming of lipid metabolism, while reducing lifespan in males. This nutritional programming effect demonstrates that early dietary composition establishes metabolic resilience patterns that persist throughout life and respond differentially by sex.
New Study Calculates Lifespan Gains From Five Popular Diets
A study of 103,649 UK Biobank participants found that adherence to five evidence-based dietary patterns was associated with 1.5 to 3 years of additional life expectancy, with the Diabetes Risk Reduction Diet showing the strongest association (24% lower mortality in top vs. bottom quintile). Dietary fiber and low glycemic index emerged as the most protective components, while sugar-sweetened beverages showed the strongest detrimental effect.
Short lifespan under dietary cholesterol depletion is associated with gut dysfunction in Drosophila melanogaster females
Dietary cholesterol depletion shortens lifespan in female fruit flies through mechanisms linked to intestinal barrier dysfunction and altered microbial composition. The finding suggests cholesterol's structural and signaling roles in gut integrity are essential for longevity, independent of cardiovascular effects typically associated with cholesterol restriction.
NLRP3 Inhibition Targets Inflammation Driving Cardiovascular Aging
BioAge Labs has initiated Phase 2 testing of BGE-102, an oral NLRP3 inhibitor designed to reduce cardiovascular risk through suppression of inflammatory pathways. Phase 1 data demonstrated substantial reductions in high-sensitivity C-reactive protein with once-daily dosing, positioning the compound as a candidate for managing systemic inflammation linked to cardiovascular disease progression.
Thinking in trade-offs: a necessary antidote to diet tribalism
All dietary approaches involve trade-offs rather than universal superiority. Sustainable adherence to a diet that aligns with individual biology and values matters more than the diet's theoretical optimality.