US SUPPLEMENTS CONTRIBUTOR
Dr. Sarah Mitchell, MD
Dr. Sarah Mitchell is a double board-certified integrative medicine physician specializing in nutritional biochemistry, micronutrient bioavailability, and cellular longevity.
SELECTED WRITING
Published stories (2)
Longevity & Aging
Foundational Longevity: The Science of NAD+, CoQ10, and Cellular Energy
Mitochondrial health is the linchpin of biological aging. How precursors like NMN and NR, paired with Coenzyme Q10 and PQQ, support cellular respiration and telomere integrity.
Vitamins & Minerals
The Definitive Guide to Magnesium: Forms, Dosages, and Bioavailability
Not all magnesium is created equal. From glycinate for sleep to malate for cellular energy and threonate for the blood-brain barrier, here is what clinical literature reveals about optimal supplementation.