Welcome to Root Cause Rx: a functional medicine community led by Dr. Brianne \(Bri\) Marie Weiss, PharmD, Functional Medicine Practitioner, and Supplement Specialist. This space is for anyone who wants real answers, clear guidance, and education that goes far deeper than rushed appointments or generic advice.

What makes Root Cause Rx unique is its leader: a licensed Doctor of Pharmacy dually trained in functional medicine and advanced supplement formulation. This rare combination gives you science-based, safe, and practical insight into how supplements, medications, and your biochemistry work together.

Here, you’ll learn how to understand your labs, support hormones, gut, metabolism, stress, sleep, immunity, and longevity, and make confident decisions about your health. With free and paid tiers, you get the level of support you need, from foundational lessons to advanced workshops.

You deserve clarity, confidence, and a practitioner who truly understands your body. Welcome to Root Cause Rx!