Explainers
Plain-language deep dives for public audiences
Why Afternoon Fatigue Strikes After Lunch—and How Nutrition Can Help
Post-lunch afternoon fatigue is a common metabolic phenomenon driven by blood sugar fluctuations and circadian rhythms. Registered dietitians outline three…
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A 10-Second Daily Finger Exercise May Support Cognitive Function, New Research Suggests
Emerging research suggests a simple 10-second daily finger exercise may support cognitive function and brain health in older adults through…
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All-trans vs Cis MK-7: The Isomer Problem Most Supplement Labels Hide
Two MK-7 molecules can share a label claim while only one works: the all-trans isomer…
MK-7 vs MK-4: Why Half-Life Decides the Dose
Two menaquinones, one decisive number: MK-4 vanishes from blood in hours while MK-7 circulates for…
Why Exactly 100% NRV: Vitamin A’s Narrow Safety Margin Explained
For most vitamins, the gap between daily reference and safety ceiling is vast. For vitamin…
Why High-Dose Oral B12 Is the Evidence-Based Dose
500 µg of B12 is 20,000% of the reference value — a number that looks…
K2 vs K1: Why Menaquinones Reach Bone and Blood Vessels
One vitamin, two destinations: K1 serves the liver's clotting factory, while K2 circulates long enough…