The magazine of preventive health and longevity.
Sourced, fact-checked articles written by doctors and experts, to understand, prevent and act every day.
Citrulline: Proven Benefits, Dosage and Precautions (2026)
Citrulline is an amino acid the body converts into nitric oxide. Here is what current research shows about its effects on blood…
Ginkgo biloba: benefits, limits and precautions for memory (2026)
Two landmark trials involving nearly 6,000 people found that ginkgo biloba does not prevent dementia or Alzheimer's disease, though it may ease…
Psyllium Husk: Proven Benefits, Dose and Precautions (2026)
Psyllium husk is a soluble fiber that lowers LDL cholesterol, improves post meal blood sugar and eases irritable bowel syndrome symptoms in…
MSM Supplement: Benefits, Dosage and Precautions (2026)
MSM, an organic sulfur compound, shows modest but real benefits for knee osteoarthritis pain and post-exercise muscle soreness, according to clinical trials…
Potassium: Proven Benefits, Dosage and Precautions (2026)
Potassium supports muscle contraction, fluid balance and healthy blood pressure, but supplements and salt substitutes can be risky for people with kidney…
Ashwagandha: Proven Benefits, Dosage and Safety (2026)
Ashwagandha is an adaptogenic plant studied in clinical trials for its effects on stress, sleep and muscle strength. This guide covers dosage,…
Low or High Ferritin Levels: What This Blood Marker Reveals
Ferritin levels show how much iron the body has in reserve. Learn the normal ranges, what causes low or high results, and…
Magnesium and Sleep: Which Form to Choose and What Dose?
Magnesium and sleep are closely linked: some forms, like bisglycinate, may help you fall asleep faster and rest more soundly, though effectiveness…
Blood Longevity Markers: A 4-Lever Protocol to Improve Them
Blood longevity markers such as CRP, glucose and cholesterol respond to lifestyle changes within months. This 4-lever protocol ranks activity, sleep, diet…