Free Resources

Folate and folic acid are not the same thing. Here is a food-first look at vitamin B9 from liver, greens, and legumes, the MTHFR conversation, and what the research actually shows.

New York has moved to ban potassium bromate, a synthetic dough conditioner that much of the world abandoned decades ago. Here is what the additive is, how it is made, why it raises health concerns, and what the new ban means for shoppers and bakers.

Chemical sunscreen brands have come under fire recently because of the inclusion of toxic chemicals that soak into your skin and are linked to an increased risk of cancers. Learn the top sunscreen brands I recommend that are cleaner, and how to make your own super clean sunscreen at home using my recipe!

A viral headline claims sunscreen "causes" skin cancer. Here's what the 470,000-person study actually found, what it can't tell us yet, and the sun-exposure research that rarely makes the news.

Nickel allergy is the most common contact allergy, and for sensitized people it can reach far beyond the skin into the gut, the microbiome, and possibly the thyroid. This guide covers the links to eczema, IBS and IBD, inflammation, hormones, and cancer, where nickel hides from cheap jewelry and 18/10 cookware to braces and high-nickel foods, what Ray Peat taught about nickel and pans, and practical ways to lower your exposure.

A new trial reported that all ten women with postpartum depression reached remission in a single day on inhaled 5-MeO-DMT. Here is what the study showed, where its design falls short, why the current SSRI standard leaves so much to be desired, and why this research direction is worth watching.

Newer homes grow mold more easily than old ones, and the reason is hiding in the walls. Here is which building materials feed mold, which resist it, and how to protect your family and pets.

Most pitcher filters don't touch fluoride, aluminum, or PFAS. Here's an honest 2026 comparison of the top reverse osmosis and gravity filters from a clinical herbalist who has used them — including my personal APEC setup, why remineralization matters, and where Berkey actually makes sense.

These five Ray Peat inspired dinners are built around pro-metabolic principles, with balanced protein, easy-to-digest carbs, quality saturated fats, and gentle fiber in every meal.

Not all coffee is created equal. This guide breaks down why mold, heavy metals, and pesticides in coffee matter for your health, and profiles every brand that meets our strict criteria: third-party lab testing, certified organic, free of mycotoxins and contaminants, and a chemical-free Swiss Water Process decaf option.

A complete, organized list of foods approved on the Ray Peat diet, including fruits, dairy, proteins, fats, and functional foods, plus grey area foods and a detailed FAQ.

Store-bought rotisserie chickens are loaded with processed sodium, carrageenan, natural flavors, and other additives you probably don't want in your food. Here's how to make a cleaner version at home with your Instant Pot using just a few simple, whole ingredients.

Inductions and C-sections have become routine in the US, but are parents getting the full picture? Here's what the research actually says about the risks, the hormonal blueprint of natural birth, and the midwifery model of care.