Homeopathic medicine is made through a process called potentization, which combines repeated dilution of a source substance with vigorous shaking at each step. The basic method is straightforward in concept: you start with a raw material (a plant, mineral, or animal product), dissolve or extract it into a liquid, then dilute and shake it many times over. The details of each stage, from preparing the starting material to creating the final pellet or liquid dose, follow specific protocols that have been standardized since the 1800s.
Step 1: Preparing the Source Material
Every homeopathic preparation begins with a raw starting substance. This could be a plant like arnica or echinacea, a mineral like sulfur or calcium carbonate, or an animal-derived product like bee venom. For plant-based remedies, the first step is typically creating a “mother tincture,” which involves soaking the plant material in a mixture of alcohol and water for a set period (often several weeks) to extract its chemical components. The plant is then strained out, and the resulting liquid becomes the base for all further dilution steps.
For minerals and other insoluble substances, the starting process is different. These materials are ground repeatedly with lactose (milk sugar) in a mortar and pestle, a process called trituration, until they become fine enough to dissolve in liquid. After sufficient grinding, the powder can be suspended in an alcohol-water solution and treated like any other mother tincture from that point forward.
In professional manufacturing, the identity and purity of starting materials must be verified. The Homeopathic Pharmacopoeia of the United States (HPUS) provides macroscopic, microscopic, chemical, and spectroscopic identity tests for raw materials. Each component must be tested to confirm it is what the label says it is and that it is free of contaminants like foreign materials or dangerous compounds.
Step 2: Choosing a Dilution Scale
Homeopathic remedies are diluted according to one of three standardized scales, and which one you use determines the ratio at each step:
- X (or D) scale: Each step dilutes the substance by a factor of 10. One part of the solution is mixed with 9 parts of the diluting liquid (usually purified water or an alcohol-water mixture). A “6X” remedy has gone through this process six times.
- C scale: Each step dilutes by a factor of 100. One part of the solution is mixed with 99 parts of the diluting liquid. This is the scale Samuel Hahnemann, the founder of homeopathy, originally developed. A “30C” remedy has been diluted 30 times at this ratio.
- LM (or Q) scale: Each step dilutes by a factor of 50,000. Hahnemann developed this scale late in his life, and it is used less commonly than the C or X scales.
The numbers compound quickly. A 2C dilution, for example, works out to one part of the original substance in 10,000 parts of solution. A 6C dilution means one part in a trillion.
Step 3: Dilution and Succussion
This is the core of the process and the step that distinguishes homeopathic preparation from simple dilution. Each round involves two actions: diluting the solution to the correct ratio, then vigorously shaking it. That shaking step is called succussion.
In traditional preparation, succussion means striking the vial firmly against a hard but elastic surface (Hahnemann used a leather-bound book). Modern manufacturers use mechanical devices that deliver a precise number of strokes. Production protocols typically call for either 10 or 100 strokes per dilution step. The shaking is not gentle swirling; it is forceful, rapid agitation designed to introduce energy into the liquid. Homeopathic theory holds that succussion is what activates the remedy’s therapeutic properties at each dilution stage, not just the dilution itself.
You repeat the dilute-and-shake cycle as many times as the target potency requires. Making a 30C remedy, for instance, means performing 30 separate rounds of dilution (1:100 each time) with vigorous shaking after each one. Each round starts with a clean glass vial to avoid carryover from the previous step.
What Happens at High Dilutions
One important fact about this process: beyond a certain point, none of the original substance remains in the solution. The threshold where dilution eliminates the last molecule of the starting material is 12C (or 24X). This is a function of Avogadro’s constant, a basic principle of chemistry that sets a limit on how far you can dilute something before it is statistically impossible for even a single molecule of the original substance to still be present.
To put this in practical terms, a 30X dilution is far past this threshold. To encounter even one molecule of the original substance in a 30X preparation, you would need to drink roughly 30,000 liters of the solution. Most homeopathic remedies sold in stores are diluted well beyond this limit, at potencies like 30C or 200C. This is the central point of scientific criticism of homeopathy: mainstream chemistry and pharmacology have no accepted mechanism by which a solution containing zero molecules of an active substance could produce a biological effect.
Homeopathic practitioners explain this by proposing that water retains an “imprint” or “memory” of the dissolved substance, and that higher dilutions are actually more potent, not weaker. This concept has not been validated by reproducible scientific evidence.
Step 4: Creating the Final Dose Form
Once the liquid has been diluted and succussed to the desired potency, it needs to be turned into a form people can actually take. Homeopathic remedies come in several forms: liquid drops, tablets, creams, and most commonly, small sugar pellets.
The pellets are made from inert granules of sucrose (table sugar) or lactose (milk sugar). These blank pellets are placed in a rotating drum called a turbine and sprayed or soaked with the potentized liquid at a ratio of about 1 percent liquid to the mass of the pellets. The pellets absorb the liquid and are then dried. The result is the small, round, sweet-tasting globules you find in the tubes sold at pharmacies and health food stores.
For liquid remedies, the potentized solution is simply dispensed into dropper bottles, often preserved in alcohol. Creams and ointments involve mixing the potentized liquid into a base like petroleum jelly or a plant-oil blend.
DIY Preparation vs. Commercial Manufacturing
The basic steps above are simple enough that people have prepared homeopathic remedies at home for over two centuries. All you technically need is the source material, clean glass vials, purified water or an alcohol-water solution, and a way to measure your dilution ratios accurately.
Commercial manufacturing, however, operates under a very different set of expectations. In the United States, homeopathic products are legally classified as drugs under the Federal Food, Drug, and Cosmetic Act. They are subject to the same statutory requirements as conventional drugs, including labeling rules and Current Good Manufacturing Practice (CGMP) regulations. The FDA has documented serious violations at some homeopathic manufacturing facilities, including contamination with foreign materials and objectionable microorganisms, which it identifies as a significant safety risk.
Products sold commercially must list only active ingredients and dilutions found in the HPUS. Manufacturers are expected to verify the identity of every ingredient, ensure the absence of harmful contaminants, and maintain production controls that prevent cross-contamination between batches. The FDA treats products with significant quality problems, particularly those made in facilities that deviate from CGMP standards, as enforcement priorities.
Why the Process Matters to Practitioners
Within homeopathic practice, the preparation method is not considered optional or ceremonial. Practitioners draw a sharp distinction between a substance that has simply been diluted and one that has been properly potentized through the full dilute-and-shake cycle. A gently stirred solution and a vigorously succussed one are, in their framework, fundamentally different products even if they are chemically identical.
Research has examined whether succussion produces measurable physical changes in solutions. One study published in Scientific Reports analyzed patterns left by evaporated droplets from preparations that had been succussed with 100 strokes, 10 strokes, or no succussion at all (just gentle mixing). The researchers found distinguishable patterns between the groups, though interpreting what those patterns mean for therapeutic effect remains an open question.
From a scientific standpoint, no homeopathic preparation has been shown to work better than a placebo in large, well-controlled clinical trials. The process described above produces a remedy that is, in most cases, chemically indistinguishable from plain water or sugar. Whether you view that as a feature or a flaw depends entirely on which framework you are working within.