Colloidal Silver Antifungal

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The Environmental Protection Agency (EPA) estimates that most people are already exposed to silver every day in their environment.

It’s present in very tiny amounts in drinking water, the food supply and even the air you breathe.

Silver is unstable in suspension form and can bind to proteins. Silver compounds form hemisilver sulfides with sulfhydryl groups that leads to inactivation of enzymes. Silver also has the ability to bind amino, carboxyl, phosphate and imidazole groups (1). Studies have shown that silver accumulates in rat liver and binds with various tissues and basal membranes. It also affects the activities of lactate dehydrogenase and glutathione peroxidase and the peroxidation of membrane lipids (4).



Colloidal silver is an ingredient in some acne treatments and cosmetics. It’s also sometimes used in an eye drop formula to prevent conjunctivitis in newborns.

However, the environmental and health risks of silver nanoparticles are not well understood, and ingesting colloidal silver is considered unsafe.

Pregnant women should not use colloidal silver as it can cause developmental abnormalities in the fetus (1).

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As long as colloidal silver is used topically and in small amounts, it doesn’t pose a great risk of argyria.

It’s thought that to develop argyria, you would have had to ingest silver compounds over a long period of time. However, the exact amounts and time frame that would put you at risk aren’t known (16).

The U.S. Food and Drug Administration has warned companies marketing products, including colloidal silver, with false claims of preventing or treating the coronavirus disease COVID-19 (15).

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colloidal silver trader joe's

colloidal silver trader joe's



Colloidal silver is also claimed to promote healing of skin wounds. According to a 2007 study, silver-containing wound dressings are a more effective barrier against infection than other products that make similar claims.

Argyria is a condition that turns the skin a blue-gray color due to a buildup of silver metal particles in the body and skin. Silver deposits can also occur in the intestines, liver, kidneys and other organs (16).

Colloidal silver is a suspension of tiny silver particles in a liquid. Silver compounds are used externally to stop or prevent infections but recently, many people have started taking colloidal silver as an alternative medicine. It is being promoted as a cure for cancer, diabetes, and AIDS although there is no proof it works in humans. Our body does not need silver to function normally. Silver actually denatures proteins and can make many enzymes lose their effects.

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There have been some benefits from applying silver-containing ointments to the skin. Health claims of topical silver include:

Colloidal silver is claimed to have antibacterial, antiviral and antifungal properties. However, there is currently no evidence that colloidal silver has any of these health benefits.

Colloidal silver consists of silver particles suspended in a liquid. It is often produced by home-made generators. The use of silver medicinals to treat disorders such as epilepsy, gonorrhea, and colds was not uncommon until the mid-20th century. However, silver was replaced by safer therapies in the recent decades. It is not an essential mineral and does not serve any physiological function in the body. It denatures proteins by binding to their reactive groups and can inactivate some enzymes by forming hemisilver sulfides with sulfhydryl groups of the enzymes (1).

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jock itch colloidal silver

jock itch colloidal silver



Nursing and pregnant women who try colloidal silver as an alternative to some cold and flu drugs should keep in mind that no trial has ever proven colloidal silver to be safe for a developing baby. When things aren’t proven safe, they can’t be recommended for use.

You are most at risk of developing argyria if you’re taking a silver-containing food supplement or work in a job that exposes you to large amounts of silver.

A small study did not find any benefits of a colloidal silver nasal spray in improving recalcitrant chronic rhinosinusitis (14). Whereas silver compounds are still used in external preparations as antiseptics, there has been a growing interest in using the colloidal form, orally, as an alternative medicine. In vitro studies indicate antitumor effects (8), but no human data support the use of oral colloidal silver. Despite lack of evidence, it is being promoted as a cure for AIDS, cancer, and diabetes.Long term use can cause silver deposition in the skin and mucous membranes leading to an irreversible condition called argyria, characterized by bluish-gray to gray-black pigmentation (7). Other adverse effects include seizures (6). Pregnant women should not consume colloidal silver as it can cause developmental abnormalities in the fetus (1).

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Topical colloidal silver products claim to be antimicrobial, germ-fighting agents. At least one clinical study indicates that this claim may be questionable. Other studies show some promise when silver nanoparticles are incorporated into bandages and dressings for wounds.

Additionally, no studies have investigated the effects of ingesting colloidal silver on fungal infections in humans.

Long-term oral use of silver can make the skin turn bluish-gray or gray-black in color. It can also cause seizures and kidney damage. Pregnant women should not consume colloidal silver as it has harmful effects on the fetus.