The team

A small, fully-independent group of researchers, dietitians, and software reviewers.

EM

Dr. Elena Marquez

Lead nutrition scientist

Twelve years in clinical nutrition research, formerly at the Karolinska metabolic lab. Designs the benchmark protocol.

JK

Jin Kobayashi

Head of testing

Eight years reviewing health and fitness software. Runs the day-to-day evaluation lab and writes most of the comparative reviews.

SO

Sara Owusu, RD

Clinical advisor

Registered dietitian, MS in human nutrition. Translates raw benchmark results into practical guidance for clinical use cases.

DR

Daniel Reinhart

Sports science contributor

Former Olympic team consultant. Leads our athlete-focused rankings and macro-accuracy deep-dives.