NAD Precursors: What Science Says About NR vs NMN Supplements

This discussion summarizes a podcast episode on NAD+ and its precursors (NR and NMN), claiming NR is superior to NMN for boosting cellular NAD levels and that the main benefit for healthy people is exercise recovery.

This discussion summarizes a podcast episode on NAD+ and its precursors (NR and NMN), claiming NR is superior to NMN for boosting cellular NAD levels and that the main benefit for healthy people is exercise …

23 Weak
Design 4
Sample 3
Peer Review 5
Replication 5
Transparency 6

Urolithin A and cardiovascular health: preclinical promise meets human biomarker data

A Reddit user shares a peer-reviewed study showing urolithin A (a pomegranate metabolite) improves mitochondrial function in animal models and reduces cardiovascular disease biomarkers in healthy older adults.

A Reddit user shares a peer-reviewed study showing urolithin A (a pomegranate metabolite) improves mitochondrial function in animal models and reduces cardiovascular disease biomarkers in healthy older adults. The discussion covers mechanism, bioavailability challenges, and …

44 Early
Design 11
Sample 7
Peer Review 9
Replication 8
Transparency 9

Can Polyphenol-Rich Foods Slow Epigenetic Aging?

A secondary analysis of a small diet intervention trial found that consuming polyphenol-rich foods (green tea, turmeric, berries, etc.

A secondary analysis of a small diet intervention trial found that consuming polyphenol-rich foods (green tea, turmeric, berries, etc.) was associated with reduced epigenetic age—a molecular measure of biological aging. However, this was a pilot …

47 Early
Design 12
Sample 6
Peer Review 13
Replication 7
Transparency 9

Reversing Blood Cell Aging by Fixing Lysosomal Dysfunction

Researchers discovered that lysosomes become hyperactive and damaged in aging blood stem cells, driving decline in immune function and blood production.

Researchers discovered that lysosomes become hyperactive and damaged in aging blood stem cells, driving decline in immune function and blood production. Blocking a key enzyme (v-ATPase) with an inhibitor restored youthful function and dramatically improved …

60 Promising
Design 13
Sample 12
Peer Review 11
Replication 12
Transparency 12

Spermidine emerges as top longevity nutrient in 15-year study of 146 compounds

A 15-year study tracking 146 nutrients in 829 people found spermidine showed the strongest inverse association with mortality risk—equivalent to ~5.

A 15-year study tracking 146 nutrients in 829 people found spermidine showed the strongest inverse association with mortality risk—equivalent to ~5.7 years of age reduction. The post acknowledges important uncertainty: spermidine may simply be a …

53 Promising
Design 9
Sample 10
Peer Review 12
Replication 9
Transparency 13

Vigorous Exercise 50-150x More Powerful Than Light Activity for Longevity

A Reddit discussion summarizes findings from a Nature Biobank study showing vigorous-intensity exercise provides dramatically greater mortality and disease risk reduction per minute compared to moderate or light activity.

A Reddit discussion summarizes findings from a Nature Biobank study showing vigorous-intensity exercise provides dramatically greater mortality and disease risk reduction per minute compared to moderate or light activity. The post claims just 9 minutes …

50 Promising
Design 11
Sample 13
Peer Review 12
Replication 8
Transparency 6

How Exercise Clears Damaged Cells and Reverses Muscle Aging

A Reddit post discusses a study showing that exercise removes senescent (damaged) cells from muscle tissue, reactivates stem cells, and improves insulin sensitivity in middle-aged adults with obesity.

A Reddit post discusses a study showing that exercise removes senescent (damaged) cells from muscle tissue, reactivates stem cells, and improves insulin sensitivity in middle-aged adults with obesity. The post frames exercise as a cellular-level …

32 Early
Design 9
Sample 4
Peer Review 8
Replication 5
Transparency 6

Reversing liver scarring with reprogramming mRNA in mice

Researchers used specially designed lipid nanoparticles to deliver reprogramming genes (OSK) directly to liver cells in mice with fibrosis, successfully converting scarred cells back to a regenerative state.

Researchers used specially designed lipid nanoparticles to deliver reprogramming genes (OSK) directly to liver cells in mice with fibrosis, successfully converting scarred cells back to a regenerative state. This proof-of-concept study suggests mRNA-based cellular rejuvenation …

41 Early
Design 6
Sample 8
Peer Review 13
Replication 5
Transparency 9

How Aging Drives Alzheimer's Disease: A Molecular Roadmap

This review explains how aging accelerates Alzheimer's disease by disrupting multiple biological systems—from amyloid clearance to immune function to circadian rhythms.

This review explains how aging accelerates Alzheimer's disease by disrupting multiple biological systems—from amyloid clearance to immune function to circadian rhythms. The authors propose that targeting aging mechanisms themselves, rather than individual AD symptoms, could …

37 Early
Design 4
Sample 2
Peer Review 14
Replication 7
Transparency 10

New Drug Candidate 28i Shows Promise for Slowing Aging in Animal Models

Researchers engineered a new compound called 28i that inhibits an enzyme (MDH2) linked to aging, extending lifespan in worms and reducing aging markers in mouse cells and tissues.

Researchers engineered a new compound called 28i that inhibits an enzyme (MDH2) linked to aging, extending lifespan in worms and reducing aging markers in mouse cells and tissues. Unlike its parent drug, 28i avoids dangerous …

39 Early
Design 6
Sample 5
Peer Review 14
Replication 5
Transparency 9

A Protein That Blocks Exercise Benefits: Why Some People Don't Respond to Training

Researchers discovered that IGFBP7, a protein linked to cellular aging, may act as a 'brake' on how much fitness people gain from exercise training.

Researchers discovered that IGFBP7, a protein linked to cellular aging, may act as a 'brake' on how much fitness people gain from exercise training. In studies, lowering this protein in mice dramatically improved their exercise …

25 Early
Design 7
Sample 5
Peer Review 3
Replication 4
Transparency 6

How to Reverse Age-Related Immune System Decline

This review examines why the thymus (a gland that produces immune cells) shrinks with age and stops making T cells effectively, leaving older adults vulnerable to infections and cancer.

This review examines why the thymus (a gland that produces immune cells) shrinks with age and stops making T cells effectively, leaving older adults vulnerable to infections and cancer. The authors survey promising rejuvenation strategies—from …

40 Early
Design 4
Sample 2
Peer Review 17
Replication 7
Transparency 10

How healthy diets add years to your life—even if your genes say otherwise

A study of over 100,000 UK adults found that five well-known healthy eating patterns—from Mediterranean to plant-based diets—were each associated with 1.

A study of over 100,000 UK adults found that five well-known healthy eating patterns—from Mediterranean to plant-based diets—were each associated with 1.5–3 extra years of life by age 45, with benefits holding true regardless of …

65 Promising
Design 11
Sample 15
Peer Review 18
Replication 10
Transparency 11

Longevity and Innovation: Cardiac Resynchronization Therapy in a 100-Year-Old Patient With Severe Heart Failure-A 4-Year Follow-Up.

Cardiac resynchronization therapy (CRT) has been shown to improve outcomes in patients with severe left ventricular systolic dysfunction (LVSD) and electrical dyssynchrony.

Cardiac resynchronization therapy (CRT) has been shown to improve outcomes in patients with severe left ventricular systolic dysfunction (LVSD) and electrical dyssynchrony. This case report presents a 100-year-old male with a history of atrial fibrillation …

38 Early
Design 5
Sample 7
Peer Review 10
Replication 6
Transparency 10

Natural Products Targeting the PI3K/Akt/mTOR-Mediated Autophagy Pathway in Cancer Therapy: Recent Advances and Clinical Perspectives.

Dysregulation of the phosphoinositide 3-kinase/protein kinase B/mammalian target of the rapamycin (PI3K/Akt/mTOR) pathway and its complex interplay with autophagy is a crucial mechanism driving proliferation, survival, and therapeutic resistance in cancer.

Dysregulation of the phosphoinositide 3-kinase/protein kinase B/mammalian target of the rapamycin (PI3K/Akt/mTOR) pathway and its complex interplay with autophagy is a crucial mechanism driving proliferation, survival, and therapeutic resistance in cancer. Natural products offer a …

38 Early
Design 5
Sample 7
Peer Review 10
Replication 6
Transparency 10