Briefs

Plain-language summaries of GLP-1 trials, nutrition studies, and supplement claims. Newest first.

2 briefs, newest first

Cover Image for Vitamin B12: What the Tests Actually Measure
Latest
  • Micronutrients
  • Supplements
  • Methodology

Vitamin B12: What the Tests Actually Measure

Serum B12, MMA, homocysteine — what each test reflects, where reference ranges mislead, and what recent repletion trials show about getting someone topped up.

Analysis Desk
Analysis Desk

Earlier briefs