How homeopathic remedies are made
Homeopathic remedies go through a specific manufacturing process rooted in the discipline's founding theory. Understanding the steps helps explain both what a remedy is, and why the process is scientifically controversial.
Starting material
Preparation begins with a "mother tincture," a concentrated extract of the source material, which might be a plant, mineral, or occasionally an animal product. This tincture is the starting point for every subsequent dilution.
Dilution and succussion
The mother tincture is mixed with water or alcohol at a fixed ratio, commonly 1 part tincture to 99 parts diluent for what is labelled a "C" potency, or 1 to 10 for an "X" potency. After each dilution, the mixture is vigorously shaken or struck against a surface, a step called succussion. Homeopathic theory holds this step "potentises" the remedy, though this is not a recognised mechanism in conventional pharmacology or chemistry.
This cycle of dilute, then succuss, is repeated multiple times. A remedy labelled 6C has gone through six rounds of 1 to 100 dilution, and a 30C remedy has gone through thirty rounds.
What actually remains
At high dilutions, the mathematics work against the presence of any original material. Avogadro's number, which describes the number of molecules in a given amount of substance, means that dilutions beyond roughly 12C are unlikely to contain even a single molecule of the starting substance. This is one of the central points of scientific criticism of homeopathy: if nothing measurable remains, there is no accepted mechanism by which the remedy could act on the body.
From liquid to pellet
The final diluted solution is usually used to coat small sugar pellets, which are then dried and packaged. Liquid drops, ointments, and tablets are also produced using the diluted preparation.
Common questions
What is succussion?
Succussion is the vigorous shaking or striking of a diluted solution between each stage of dilution. Homeopathic theory holds that this process is essential to transferring a therapeutic effect, though this claim is not supported by mainstream science.
Do homeopathic remedies contain any of the original substance?
At common homeopathic dilutions, particularly those labelled 12C or higher, it is mathematically unlikely that a single molecule of the original substance remains in the final product.
What do the letters and numbers on a remedy label mean?
They describe the dilution scale and number of dilution steps used, such as 6C or 30C, with the letter indicating the ratio (for example, C means a 1 to 100 dilution) and the number indicating how many times that dilution step was repeated.
Are all homeopathic products equally diluted?
No. Dilution levels vary by product and by remedy, and some products sold as homeopathic have been found to contain measurable, sometimes concerning, amounts of active ingredient, so checking labels and buying from reputable sources matters.
In short
The manufacturing process for homeopathic remedies is systematic and consistent within the tradition, but it is built on a theory of "potentisation" that has no accepted basis in chemistry or pharmacology. Understanding the process is useful background for reading the evidence honestly, covered in full on what is homeopathy.