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.
Pick a topic below to get started.
Plant Milk and Gut Health: What Is in the Carton
Most plant milks contain gums, emulsifiers, and added seed oils chosen for shelf life rather than nutrition. A look at what carrageenan, gellan gum, stevia extract, and enzyme-processed oat milk do in the gut, plus a ranked comparison of every common milk including raw dairy.
Ray Peat on Progesterone and Heart Health: What He Argued and What Trials Show
Ray Peat wrote that progesterone, not estrogen, is the coronary protection factor of women. This guide walks through his argument, the hormone trials that changed the medical consensus, and where the evidence is still unsettled.
Herbs and Supplements for Memory: What the Trials Show
A clinical herbalist reviews the human trials behind the herbs and supplements sold for memory, names the manufacturer-funded ones, and covers the two habits with stronger data than any of them.
Endocrine Disruptors: Where They Hide and How to Cut Exposure
The chemicals with documented hormone activity, the products that carry them, and what I changed at home.
Ray Peat Gelatin Gummies Recipe (+ Pomegranate Variation)
These Ray Peat-inspired fruit juice gummies are a simple, protein-rich treat made with gelatin and fresh juice, offering a deliciously nourishing snack that's easy to customize.
What Is Leaky Gut? Intestinal Permeability Explained by an Herbalist
Gliadin, stress, alcohol, and NSAIDs each raise intestinal permeability in controlled human studies. Here is what the research shows, how permeability is tested, and which supports have trial evidence.
Federal Fluoride Ruling Vacated: Where the EPA Case Stands in 2026
A federal judge found fluoridation poses an unreasonable risk to children's IQ. An appeals court vacated that ruling in May 2026. Here is where the case stands and what the research behind it says.
Lab Tests Find Cadmium in Boxed Mac & Cheese Brands: Full Results
Independent lab testing found cadmium in three boxed mac and cheese brands and lead in one. The published results and the organization behind the testing.
Natural Deodorant Recipe: A Primally Pure Dupe, Kitchen-Tested
My kitchen-tested deodorant recipe, built from the same eight ingredients as Primally Pure's unscented stick. Exact weights, essential oils optional, and the safety context to decide for yourself.
Low Testosterone: What the Research Says About Herbs, Thyroid and Lifestyle
Evidence review of fifteen commonly recommended approaches to low testosterone, from shilajit and tongkat ali to thyroid function and interval training, with study designs and their limitations.
Saffron and Mood: What the Clinical Trials Measured
Saffron has been tested against placebo, fluoxetine, and imipramine in small six to twelve week trials. I walk through who was enrolled, what was scored, and what the results can and cannot support.
Herbs for Bee Stings and Bug Bites: Plantain, Yarrow, and First Aid
The plants I keep on hand for stings and bites in Montana, how I use them, what the research supports, and the situations where no herb belongs in the plan.
Can Low Thyroid Cause High Cholesterol? What to Check First
High cholesterol can be a symptom of something deeper, especially low thyroid function. Learn the thyroid-cholesterol connection, how the definition of "high" cholesterol has shifted over the decades, the real trade-offs of with statins, + natural strategies to support healthy levels.
Gut Repair Protocol
A protocol that is supportive for reducing increased gut permeability (AKA “leaky gut”). I’ve educated about this protocol for years with clients as a jumping-off point and many have found it super helpful.
Rosemary-Infused Salt Spray for Hair Recipe
Create beautiful, natural beachy waves + texture using this Rosemary Salt Spray. This recipe combines the aromatic and growth-supporting benefits of rosemary with the texturizing power of pink Himalayan salt.
Herbal Medicine Books: 4 Titles a Clinical Herbalist Keeps
Six herbal medicine books that take you from your first herb to safe, well-made preparations, chosen and ordered by a certified clinical herbalist. Includes a free option and how to build the library used.
Herbal Remedies and Drug-Free Solutions for Dog Separation Anxiety and General Anxiety
Learn how I support my dogs’ anxiety levels with medicinal herbs and positive reinforcement training techniques.
Elderberry Syrup Recipe and Herbal Monograph: Uses, Safety, Look-Alikes
Learn how to make elderberry syrup at home to support immune health. This recipe, rich in antioxidants, is a tasty and effective way to combat cold and flu symptoms for the whole family.
Itchy Dog Paws: Why They Happen and 8 Natural Ways to Help
Learn ways to support your dogs paw microbiome to prevent and support itchiness and irritation. Plus, learn the causes of itchy paws so that you can prevent future discomfort.
Raw Milk Benefits vs Pasteurized Milk: Nutrition Facts, Risks, and What the Numbers Show
Is raw milk good for you? A clinical herbalist compares raw milk benefits, nutrition facts, and health risks against pasteurized milk using outbreak records, individual death case files, and the cohort studies on childhood asthma and allergy.
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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.