★ Hand-tested · Reader-funded · No affiliate kickbacks How we test · About
OB

Othniel Brennan-Lee, MD, FAAFP

Medical Reviewer

Practicing physician since 2013

About Dr. Brennan-Lee

Dr. Othniel Brennan-Lee is the medical reviewer at BestCalorieApps. She is a Johns Hopkins-trained family physician with an additional board certification in preventive medicine. She maintains active clinical practice in primary care alongside her editorial work for BestCalorieApps. Her role is narrowly defined: she signs off on any page that contains a clinical claim, a chronic-disease framing, or wording that could be read as medical advice.

She joined the publication in February 2026 specifically because BestCalorieApps was committing — in writing, on the methodology page — to never publish a clinical claim that hadn’t been physician-reviewed. That commitment requires a real physician with real time on the calendar, and Dr. Brennan-Lee accepted the role on that basis.

What she reviews

Every page that touches: GLP-1 nutrition framing, eating-disorder language, chronic-disease coverage (diabetes, PCOS, kidney disease, hypertension), medical disclaimers, the wording of “consult your doctor”-class advice, and any direct or indirect health claim made about a calorie tracking app. She does not test apps. She does not write reviews. She does not rank apps. She is a gate, and that is the only role.

Conflicts of interest

Dr. Brennan-Lee has no financial relationships with any of the calorie tracking apps covered on BestCalorieApps. She holds no affiliate accounts. She has no equity in any of the parent companies. Her clinical practice does not prescribe weight-loss apps to patients as part of any commercial arrangement. She has never received speaker fees, consulting fees, or grant funding from any company whose product is reviewed on this site.

Recent work

Articles & rankings

App reviews

Head-to-heads