Gold has occupied an unusual place in medicine for centuries.
It has appeared in traditional preparations, alchemical elixirs, pharmaceutical drugs and, more recently, engineered nanoparticles designed for imaging, drug delivery, photothermal treatment and experimental neurological medicine.
Those uses are often grouped together under the phrase “gold in medicine”, but they are not one continuous therapy. A traditional calcined gold preparation, an injectable gold salt, a gold nanoshell and a bottle of colloidal gold can differ radically in chemistry, particle size, dose, route and biological behaviour.
This guide follows the history while keeping those categories separate.
Quick Answer: Is Gold Really Used in Medicine?
Yes. Gold compounds became established disease-modifying treatments for rheumatoid arthritis during the twentieth century, although toxicity and newer therapies greatly reduced their use. The oral gold drug auranofin remains an approved medicine in some settings.
Modern researchers also engineer gold nanoparticles and nanoclusters for diagnostics, drug delivery, photothermal therapy, imaging and other applications. Some gold-based nanotechnologies have reached human clinical trials.
Historical and traditional gold preparations also exist, including Ayurvedic Swarna Bhasma and European aurum potabile. These are important parts of medical history, but their existence does not mean every historic health claim is clinically validated or that different gold preparations are interchangeable.
A Timeline of Gold in Medicine
- Ancient and traditional medicine: gold appears in several medical and ritual traditions, although historical formulations and evidence vary widely.
- Ayurvedic medicine: Swarna Bhasma develops as a highly processed calcined-gold preparation within Rasa Shastra.
- Medieval and Renaissance Europe: physicians and alchemists pursue aurum potabile, or drinkable gold, using many different recipes.
- Nineteenth century: Michael Faraday’s work on finely divided gold helps establish the science of gold colloids and their distinctive optical behaviour.
- Early twentieth century: gold compounds are explored first for tuberculosis and later become important treatments for rheumatoid arthritis.
- Modern era: gold compounds, nanoparticles, nanoshells and nanocrystals are studied in cancer, inflammatory disease, diagnostics, neurology and drug delivery.
Traditional Gold Preparations: History Before Modern Pharmacology
Historical reviews describe gold and gold compounds being used medicinally long before modern clinical pharmacology. But ancient evidence needs to be handled carefully because symbolic, religious, metallurgical and therapeutic uses often overlap in surviving sources.
It is therefore safer to say that gold acquired a long medical reputation than to treat every ancient reference to gold as evidence of a defined medicine or proven effect.
Two traditions are especially important because their preparations can still be discussed concretely: Swarna Bhasma in Ayurveda and aurum potabile in European medicine and alchemy.
Swarna Bhasma: A Traditional Gold Preparation
Swarna Bhasma, also written Suvarna Bhasma, is a traditional Ayurvedic gold preparation produced through repeated purification, grinding, heating and incineration processes.
Modern physicochemical studies show why it should not simply be described as “gold dust”. Analysed preparations can contain nanoscale and microscale gold structures, and composition can vary considerably between manufacturing methods and producers.
A 2021 characterisation study of one traditionally prepared sample reported highly crystalline gold nanoparticles in approximately the 5–20 nm range and about 95% gold by gravimetric analysis. Other studies have reported different particle-size distributions and compositions.
That variability matters. “Swarna Bhasma” describes a traditional preparation category, not one universally identical nanoparticle medicine.
Modern studies of Swarna Bhasma include physicochemical, cellular, animal and small pilot clinical work, but the evidence base is not equivalent to that required for a modern approved medicine across the many historical uses attributed to it.
Aurum Potabile: The History of Drinkable Gold
European alchemists and physicians used the term aurum potabile, or potable gold, for preparations intended to make gold drinkable or medicinally usable.
There was no single standard formula. Historical recipes could involve dissolved gold compounds, colloidal or finely divided gold, complex chemical mixtures, or preparations containing very little elemental gold.
Modern reconstructions of selected historical recipes have even shown that some old procedures could generate nanoscale gold structures. That is historically fascinating, but it does not turn every alchemical health claim into modern clinical evidence.
We cover this topic separately in Aurum Potabile: The History of Drinkable Gold.
From Alchemy to Chemistry
Alchemy contributed more to the history of science than the stereotype of failed gold-making suggests. Alchemical laboratories used processes such as heating, distillation, dissolution, precipitation, filtration and crystallisation. Over centuries, experimental practice became increasingly separated from symbolic theories of matter.
One major scientific correction was the discovery that chemical elements cannot normally be transformed into one another through ordinary chemistry. Turning lead into gold requires nuclear change, not a better acid or furnace.
That distinction is explored in Alchemy and Transmutation: Can Science Really Turn Lead Into Gold?.
Michael Faraday and the Science of Colloidal Gold
The nineteenth century brought a different kind of gold transformation: dispersing extremely small gold particles in liquid.
Michael Faraday’s experiments with finely divided gold helped establish the scientific study of gold colloids. He investigated the striking ruby colours produced by finely dispersed gold and how optical behaviour changed with particle state.
Today, that colour is understood through nanoscale optical phenomena including localized surface plasmon resonance.
This is an important bridge in the history of gold science, but it should not be confused with a clinical claim. Demonstrating that a liquid contains nanoscale gold is a question of physical chemistry. Demonstrating a health effect requires separate biological and clinical evidence.
For the basics, see What Is Colloidal Gold?.
The Tuberculosis Detour
Gold’s path into twentieth-century medicine included an important false start.
Laboratory observations encouraged interest in gold compounds against tuberculosis. In the 1920s, gold sodium thiosulfate and related approaches were used clinically, but enthusiasm declined after controlled studies failed to show convincing benefit and toxicity became apparent.
This episode matters because rheumatoid arthritis was at one time incorrectly thought to be connected with tuberculosis. That historical theory helped redirect gold therapy toward inflammatory arthritis.
The eventual clinical success of gold salts in rheumatoid arthritis therefore emerged from a pathway that began with a mistaken disease hypothesis.
Chrysotherapy: Gold Salts in Rheumatoid Arthritis
The best-established historical medical use of gold is chrysotherapy, the administration of pharmaceutical gold compounds for rheumatoid arthritis.
Injectable compounds such as gold sodium thiomalate became disease-modifying antirheumatic drugs. Later, oral auranofin offered another gold-based option.
Controlled trials showed that injectable gold could improve rheumatoid-arthritis outcomes, but adverse effects were substantial. Toxicity involving skin, kidneys, blood and other systems contributed to treatment discontinuation, and newer disease-modifying drugs eventually displaced chrysotherapy from routine practice.
This history proves that specifically formulated gold compounds can have real pharmacological activity. It does not prove that all forms of gold produce the same effect.
Our disease-specific review is Colloidal Gold and Rheumatoid Arthritis: What Does the Research Say?.
Why Gold Drugs Work Differently From Metallic Gold
A pharmaceutical gold compound is defined by more than the presence of the element Au.
Its oxidation state, ligand chemistry, solubility, metabolism, dose and administration route determine how it interacts with proteins and tissues.
This is why the history of chrysotherapy cannot simply be transferred to metallic nanoparticles or oral colloidal gold. Gold(I) drugs such as auranofin have their own pharmacology. Engineered nanoparticles have their own biodistribution. Metallic bulk gold behaves differently again.
“Contains gold” is therefore not a pharmacological mechanism.
Modern Gold Compounds and Drug Research
Interest in medicinal gold did not disappear when chrysotherapy declined.
Researchers continue to investigate gold(I) and gold(III) compounds for potential effects on cellular targets relevant to cancer, inflammatory disease, infection and other conditions. Auranofin in particular has been widely studied for possible repurposing because its molecular effects extend beyond rheumatoid arthritis.
Most proposed new uses remain research questions rather than approved indications. The broader lesson is that gold chemistry can be pharmacologically rich when compounds are deliberately designed and tested.
Gold Nanoparticles and Nanomedicine
Modern nanomedicine uses gold for reasons very different from medieval medicine.
Gold nanoparticles can be engineered in different sizes, shapes and surface coatings. Their optical properties, large relative surface area and ability to carry attached molecules make them useful research platforms.
Applications under investigation include:
- diagnostic assays and biosensors;
- medical imaging;
- drug and gene delivery;
- photothermal therapy;
- radiosensitisation;
- targeted cancer systems;
- inflammatory-disease research; and
- neurological delivery and investigational nanocrystal medicines.
The field has moved beyond the laboratory in selected areas, but clinical translation remains limited compared with the enormous preclinical literature.
Our evidence map is the Gold Nanoparticles Research Library.
Gold Nanotechnology Has Reached Human Trials
Some engineered gold systems have been tested in people.
Gold-silica nanoshell photothermal systems, for example, have entered clinical studies in localized prostate cancer. Investigational gold nanocrystal medicines have also been studied in neurological conditions such as multiple sclerosis and Parkinson’s disease.
These examples show that gold nanotechnology has genuine clinical potential.
They also show why precision matters. A nanoshell engineered to absorb near-infrared light and destroy a tumour is not equivalent to a simple gold colloid. An investigational catalytic nanocrystal formulation is not automatically equivalent to a consumer supplement.
See Gold Nanoparticles and Cancer: What Human Trials Actually Show and Gold Nanocrystals in MS and Parkinson’s: What Clinical Research Shows.
What About Consumer Colloidal Gold?
Consumer colloidal gold sits in a different evidence category from pharmaceutical gold salts and engineered clinical nanotechnologies.
A 2026 study directly characterised commercially available oral colloidal-gold dietary supplements, confirming metallic gold nanoparticles in the products tested and finding differences in preliminary biological behaviour between formulations.
That is valuable because it studies the commercial product category itself rather than assuming equivalence with engineered nanomedicine.
But it does not establish the broad therapeutic claims sometimes borrowed from pharmaceutical or nanoparticle research. Product-specific effects still depend on composition, particle characteristics, dose and actual clinical outcomes.
Gold in Medicine: Five Categories That Should Not Be Confused
| Gold category | What it means | Evidence context |
|---|---|---|
| Traditional preparations | Swarna Bhasma and other historically processed gold materials | Traditional use plus variable modern characterisation and emerging research |
| Historical gold elixirs | Aurum potabile and related preparations | Medical/alchemical history; composition varied greatly |
| Pharmaceutical gold compounds | Gold salts and drugs such as auranofin | Established pharmacology with clinical history |
| Engineered gold nanomedicine | Nanoshells, nanoparticles, nanoclusters and nanocrystals designed for specific functions | Large research literature with selected human trials |
| Consumer colloidal gold | Commercial dispersions of fine metallic gold particles | Product-category research is emerging; broad clinical benefits remain unproven |
Why This Distinction Matters
The history of gold is scientifically interesting precisely because the element can appear in so many different chemical and physical forms.
But that diversity also creates one of the biggest sources of misinformation in gold wellness content.
A study of an injectable gold salt does not automatically support a nanoparticle drink. A cancer nanoshell trial does not establish that oral colloidal gold treats cancer. A single-atom catalyst does not prove an ORMUS powder is atomically dispersed gold.
The correct way to use the research is to ask:
- What form of gold was studied?
- What was its size and surface chemistry?
- What dose was used?
- How was it administered?
- Was the evidence laboratory, animal or human?
- Was the actual consumer product tested?
Those questions turn an impressive story into a useful evidence framework.
Key Takeaways
- Gold has a long medicinal history, but historical traditions used very different preparations.
- Swarna Bhasma is a distinct Ayurvedic preparation that modern analyses have shown can contain nanoscale gold structures.
- Aurum potabile describes diverse historical drinkable-gold preparations, not one standard formula.
- Pharmaceutical gold compounds became established treatments for rheumatoid arthritis, but toxicity limited their use.
- Modern engineered gold nanoparticles and nanocrystals are being studied across diagnostics, oncology, drug delivery, inflammation and neurology.
- Some engineered gold technologies have reached human clinical trials.
- These results cannot automatically be transferred to ordinary consumer colloidal gold.
- The strongest evidence always belongs to the specific gold form, formulation, dose, route and outcome that were actually studied.
Frequently Asked Questions
Has gold really been used as medicine?
Yes. Pharmaceutical gold compounds were established treatments for rheumatoid arthritis, and gold has a much longer history in traditional and alchemical medicine.
What is chrysotherapy?
Chrysotherapy is medical treatment using gold compounds, especially the pharmaceutical gold salts historically used as disease-modifying treatments for rheumatoid arthritis.
What is Swarna Bhasma?
Swarna Bhasma is a traditional Ayurvedic calcined-gold preparation produced through repeated processing steps. Modern analyses of some preparations have found nanoscale gold structures, although composition varies between products and methods.
What is aurum potabile?
Aurum potabile means drinkable or potable gold. Historical recipes varied greatly and could produce dissolved gold compounds, finely divided gold or complex mixtures.
Are gold nanoparticles used in modern medicine?
Engineered gold nanoparticles and related nanostructures are widely studied in diagnostics, imaging, drug delivery, cancer treatment and other areas. Selected technologies have reached human clinical trials.
Does research on gold salts prove colloidal gold works the same way?
No. Gold salts, metallic particles and engineered nanostructures have different chemistry, biodistribution and pharmacology.
Is colloidal gold the modern equivalent of ancient drinkable gold?
Not exactly. There is an interesting historical connection in the idea of dispersing gold into a consumable liquid, but historical aurum potabile recipes were highly variable and are not chemically identical to modern colloidal gold.
Has commercial colloidal gold itself been studied?
Yes. A 2026 study characterised several commercial oral colloidal-gold supplements and confirmed metallic gold nanoparticles in the tested products. It was not a clinical trial proving broad health benefits.
References
- Kean WF, Kean IRL. Clinical pharmacology of gold. Inflammopharmacology. 2008. PubMed PMID 18523733.
- Chrysotherapy: a synoptic review. PubMed PMID 14991077.
- Gold compounds as therapeutic agents for human diseases. Metallomics. 2011. PubMed PMID 21755088.
- Nanostructured gold in ancient Ayurvedic calcined drug 'swarnabhasma'. PubMed PMID 34690042.
- Clinical translation of gold nanoparticles. PubMed PMID 36045273.
- Applications and safety of gold nanoparticles as therapeutic devices in clinical trials. PubMed PMID 37842655.
- Physicochemical characterization and preliminary biological assessment of commercially available colloidal gold dietary supplements. 2026. PubMed PMID 42450145.
