vitamin D

Performance

Strength Is the New Cardio: What Military Performance Science Teaches the Rest of Us

Two new military-medicine reviews converge on a practical playbook: lift to sustain performance, and use vitamin D plus smarter programming to keep injuries from derailing it.

Metabolic Health

Vitamin D, Mangosteen, and a New Blood Test: The Quiet Race to Catch Type 2 Diabetes Early

Three new human studies — a decade-long cohort, a systematic review, and a biomarker case-control trial — sketch an emerging toolkit for spotting dysglycemia before it hardens into disease.