Aging Can't Be Stopped, But Could a Daily Pill Slow It Down?

The headline finding is clear and statistically significant: daily multivitamin supplementation modestly slowed the rate of biological aging.

Why Bioavailability in Your Supplements Is So Important: The Xendurance Difference

Bioavailability refers to the proportion of an ingested substance that survives digestion, crosses the intestinal barrier, avoids immediate liver metabolism (first-pass effect), and reaches target ...

The Flipped Food Pyramid: Why Protein is Now King in the 2026 Dietary Guidelines

The 2026 Dietary Guidelines represent more than a cosmetic change—they signal a return to nutrient-dense, satiating foods that support real health outcomes. By placing protein at the top of the inv...

HIIT's Profound Impact on Cardiovascular Health

ts ability to boost cardiorespiratory fitness, improve vascular function, lower key risk factors, and—most impressively—induce measurable regression of coronary atherosclerotic plaque sets it apart...