A high but not low dose of nattokinase is associated with reducing artery plaque size by 36% in older adults. 

An ultrasound of the carotid artery with arrows pointing to plaques (image: avicennacardiology.com). 

Cardiovascular

Model: 8 adults with peripheral artery disease 
Dosage: 1,000 mg of NR daily for four weeks

New Study Suggests NR Modestly Improves Cognition in Age-Related Vascular Disease

Taking NR was associated with improved blood flow to a specific brain region following cognitive stimulation, as well as trends toward enhanced cognition in patients with age-related vascular disease.

(The study’s principal investigator, Andriy Yabluchanskiy | LinkedIn)

Taking NR is associated with improved blood perfusion to a brain region involved in memory and daily task organization, as well as a trend toward enhanced cognition.

Brain &amp; Neurons

Ranked fourth on the Rejuvenation Olympics leaderboard, 30-year-old Siim Land lists the supplements he takes to stay young. 


Aging &amp; Longevity

Older adults with LDL cholesterol levels above 130 mg/dL live longer than older adults with LDL cholesterol levels below 130 mg/dL. 

The participants of the study were from Sardinia, Italy (image: businessinsider.com). 

Metabolism

Model: 10-month-old and 22-month-old naturally aged mice / Rats with Partial Discectomy (PDE)-induced Temporomandibular Joint Osteoarthritis (TMJOA).
Dosage: 0.25% αKG and  0.75% αKG
&nbsp;

Longevity Compound Thwarts Age-Related Joint Degeneration: New Study Reveals

Researchers found that alpha-ketoglutarate (αKG) can treat osteoarthritis by preserving cartilage and reducing joint inflammation. 

Search Result: atherosclerosis

New Study Reveals: High-Dose Supplement Shrinks Arterial Plaque by 36%

New Study Suggests NR Modestly Improves Cognition in Human Subjects

Fourth Slowest Ager in World Siim Land’s 2025 Longevity Supplement Protocol

New Study Shows People with Higher Cholesterol Live Longer than People with Lower Cholesterol

Longevity Compound Thwarts Age-Related Joint Degeneration: New Study Reveals