Interior
Medicine
A healthier home resource for non-toxic products, founded and written by a physician.
Interior Medicine, founded by Dr. Meg Christensen, is a research-based resource for healthier homes, spanning education, clinical consultation, and product evaluations grounded in consistent methodology, not opinion alone. It's a rigorous, reasonable take on a conversation that's often polarizing. Read more about Interior Medicine's philosophy.
What “Non-Toxic” Actually Means: A Free Course
A free 10-part course for thinking calmly, critically, and productively about how your home affects your health. In a fractured health-information environment, it teaches you to tell hazard from risk, read certifications, and separate real chemical concern from fear. Start the course.
Check a Product
Want a second opinion on how non-toxic a product really is? The Product Checker walks you through what to look for, the materials, certifications, and disclosure gaps that matter most, so you can evaluate anything yourself using the same methodology behind every Interior Medicine review. Check a product.
Non-Toxic Home Product Reviews
These are physician-conducted reviews driven by a product's potential impact on your health, grounded in material analysis, verified certifications, and medical and environmental health research. See the product reviews library.
Material Health Guides & Resources
Interior Medicine's guides break down the chemicals found in materials, from fabrics to coatings to adhesives, and their potential impact on your health, alongside articles and tools for navigating them. These guides form the foundation of the layer-by-layer analysis behind every product review. Explore the resources.
Not into comparing every health-related detail for every product?
See the one thing I use from each category in my own home here.