About Us

Our mission is to provide comprehensive and accessible resources so that you can take control of your health. We believe you deserve to have the information you need to make well-informed health decisions.

Launched in 2018, Testing.com is the number one source for at-home and lab testing information and resources. We are a team of experts passionate about ensuring you have access to the information you need to make the right health decisions.

Dr. Erica Zelfand headshotDr. Erica Zelfand

Dr. Erica Zelfand is a licensed family physician specializing in integrative and functional medicine. She treats people of all ages and stages of life, from newborns to those approaching the end of life. Areas of focus within her primary care practice include: autoimmune diseases, endocrinology, and integrative mental health. Her person-oriented, root-cause focused, and nature-honoring approach allows her to support patients in effective, profound ways. Dr. Zelfand is also a medical editor and the author of a review of vitamin C in the treatment of opioid withdrawal. In her spare time, Dr. Zelfand loves traveling around the world, forest bathing, making people laugh, and experimenting with gluten free recipes.

Adel Karsou HeadshotAdel Karsou

Adel Karsou is a highly experienced clinical lab scientist. He is licensed by the California Public Health Department to practice clinical lab testing and certified by the American Association of Bioanalysts (AAB) and Canadian Society of Medical Laboratory Scientists (CSMLS). He also holds a specialist certification in flow cytometry from the American Society of Clinical Pathologists (ASCP) and is a member of the American Association of Blood Bankers (AABB). Karsou has a Bachelor of Science in Laboratory Medicine and a Master of Science in Molecular Biology from Ryerson University in Toronto, Canada. A published research author, committed, detail-oriented medical technology professional & R&D scientist, Karsou who brings more than 20 years of success conducting multi-faceted research, testing and analysis in high-volume, fast-paced laboratory settings.

Dr.-Verenis headshotDr. Verenis Estrada

Dr. Verenis Estrada is the owner and attending physician at Sprouting Health & Wellness. She specializes in blending naturopathic medicine with conventional care. In addition to her doctorate in naturopathic medicine, Dr. Estrada holds a master’s degree in human nutrition and functional medicine. She uses her passion for medicine and nutrition to work with the Latinx community to promote preventative healthcare. Other areas of interest include women’s health, sex education, culturally competent healthcare, minor surgery, and wound care. She enjoys using the most recent research to help guide medical decision-making for her patients and promote patient autonomy.

Matt Brown headshotMatthew Brown, MD

Dr. Matthew Brown is a naturopathic doctor and licensed physician in the state of Oregon. He has a passion for providing primary care services and helping patients find health and wellness by utilizing naturopathic principles. Dr. Brown earned his medical degree at the National University of Natural Medicine in Portland, Oregon, where he also completed a highly competitive medical residency in family practice. His clinical interests include gastroenterology, endocrinology, mental health, nutrition, exercise, and family practice.

Testing.com has the most extensive collection of at-home testing and lab testing resources.

Everyone’s health experiences are unique. That’s why we’ve surveyed thousands of individuals to identify what’s difficult about managing personal health and how testing can improve everyday lives.

We recognize that it’s difficult to make health-related decisions without having the right information, which is why we work with health care and lab experts to make sure you have the information and tools you need. We’ve provided millions of individuals and families with information for safe, reliable at-home health testing.

Our editorial team and editorial advisory board are passionate about delivering accurate, fact-checked, user-focused information that you can use to support your personal health. Testing.com adheres to strict editorial standards free from financial influence to deliver testing information that you can trust.

Testing.com is privately funded. Advertising or sponsorship does not influence editorial review.

Testing.com is privately funded by individuals and groups that are passionate about empowering you to make informed health decisions.

Contact Us

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1414 NE 42nd Street, Suite 400
Seattle, WA 98105

Phone Number:
(877) 600-3767

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