Herbalism Articles: Traditional Practice, Primary Research
I'm Ivy Ham, a certified clinical herbalist. Every article in this library combines traditional practice from Western herbalism, Ayurveda, and Traditional Chinese Medicine with primary research you can check for yourself.
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Where to Buy Raw Milk in Charlotte, NC: Local Retailer List
A verified list of Charlotte metro retailers, farmers markets, and herdshare pickups carrying raw pet milk, with addresses, links, and a plain explanation of North Carolina raw milk law.
Soap Additives: What Clays, Sugars, and Herbs Do in Soap
A working guide to soap additives: which clays, sugars, herbs, and oils earn their place in a cold process batch, how much to use, and which ones turn brown.
Tallow Soap Recipe: Cold Process Beef Tallow Bar Soap
My tested two-oil tallow soap recipe with exact weights, working temperatures, and a step-by-step cold process method for 10 to 12 hard, creamy bars.
White Button Mushrooms for Hormone Balance + Garlic Butter Recipe
White button mushrooms inhibit aromatase, the enzyme behind estrogen production, and cooking them low and slow breaks down agaritine. Here is the research and my slow-cooked garlic butter mushroom recipe.
What Is NAC Made From? Human Hair, Feathers, and Better Options
Most NAC supplements start as keratin waste from barbershop floors, duck feathers, and hog bristles, and the label will not tell you which. Here is what NAC is, where the evidence is strong, why some researchers argue against cysteine supplementation, and how to buy fermentation-derived NAC if you still want it.
Lactating Steers and Hormones in Beef: What a 20,000-Head Study Found
New research found thousands of steers producing milk at slaughter. Here is what hormone growth implants are, why grass fed labels do not rule them out, and how to source beef from farms that never use them.
Eating Slowly Raises GLP-1 Naturally: The Case for Meal Hygiene
Eating the same 675 kcal meal over 30 minutes instead of 5 raised natural GLP-1 output by about 41% in a clinical trial. Learn how meal hygiene, eating slowly, chewing thoroughly, and eating in a rest and digest state, supports fullness hormones, digestion, and weight management.
Types of Herbal Preparations: Teas, Tinctures, Salves & More
A clinical herbalist's guide to every major herbal preparation type. Learn how infusions, decoctions, tinctures, oxymels, syrups, infused oils, and salves are made, how long each lasts, and how to choose the right form for the plant and the person.
Best Raw Dog Food Brands: Whole Prey Model Rankings by Type
Frozen raw is the gold standard for dog nutrition, but not every brand gets the prey model right. Here are the best legume-free options at every price and convenience level, ranked from best to acceptable, plus the toppers and DIY recipe I use for my own dogs.
Avocado Oil Fraud: Lab Testing Finds Most Products Adulterated
New UC Davis lab testing found nearly 9 in 10 processed foods labeled with avocado oil contain undisclosed cheaper oils, including the seed oils buyers pay a premium to avoid. Here's what the study found, why olive oil has faced the same fraud for decades, and the case for cooking fats that cannot be counterfeited.
Best Spring Water Brands Compared: pH, Minerals, and Lab Data
I pulled the published water quality reports for five major spring water brands sold in glass and compared pH, mineral content, nitrate, and contaminant testing side by side. Here is what the lab data shows and how to read it.
Honey Panna Cotta Recipe with Grass-Fed Gelatin
A five-ingredient honey panna cotta and a closer look at the gelatin, cream, and honey that make it more than a dessert.
Food Folate vs Folic Acid: The MTHFR Angle
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.
Potassium Bromate and Bromated Flour: Health Concerns, the New York Ban, and How to Avoid It
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.
Clean Mineral Sunscreen Brands + Homemade Zinc Sun Balm Recipe
FDA trials show chemical UV filters absorb into your bloodstream, and only zinc oxide and titanium dioxide are recognized as safe. Here are the cleanest mineral sunscreen brands worth buying, and the non-nano zinc sun balm I make at home instead.
Is Sunscreen Giving You Skin Cancer? What a 470,000-Person Study Shows
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.
Vitamin K, Calcium, and High Blood Pressure: A Food-First Look
Blood pressure is about far more than salt. This food-first guide explores how vitamin K2, calcium, and magnesium help keep arteries flexible, why the kind of salt you use matters, and how to be sure a high reading is even accurate before acting on it.
Nickel Allergy: Links to Eczema, Gut, Thyroid, Hormones, and Hidden Sources
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.
Are New Construction Homes a Mold Risk? Materials, Testing & Prevention
Newer homes combine mold-sensitive materials like OSB and paper-faced drywall with airtight construction that traps moisture. Here is which materials feed mold, which resist it, and how to confirm a problem with proper air testing.
Best Water Filters for Fluoride, Aluminum & PFAS (2026 Guide)
Most pitcher and refrigerator filters let fluoride, aluminum, and PFAS through. Here is which reverse osmosis and gravity systems remove them, the 2026 status of Berkey, the fluoride court case, and the PFAS rule, plus how to remineralize afterward.
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Is Apeel Discontinued? 2026 Store List
Which U.S. grocery chains have said no to Apeel-coated produce, which have not, and how to shop around it. Updated September 2026.
The Ray Peat Diet Guide
Every food he mentioned in a searchable database of 150, his hormone framework in order, recipes, and links to his first-hand sources.
Adaptogenic Herbs for Stress
Only seven botanicals truly meet the scientific criteria for adaptogens. Monographs on all seven, drawing on Ayurveda, TCM, and Western herbalism.
Best Water Filters for Fluoride, Aluminum & PFAS
A 2026 comparison of reverse osmosis and gravity filters from someone who has used them all firsthand.
Natural Tick Repellent That Works
Plant-based repellents that hold up in studies, a DIY recipe, and the case against DEET and permethrin.
The Clean Coffee Buying Guide
Every brand that passes strict criteria: third-party tested, organic, mold-free, with a Swiss Water decaf option.