Historically, societies and civilizations all over the world have used silver to keep liquids fresh, including wine, milk and water; to disinfect food and eating utensils; and prevent plague and infection. Before the invention of the refrigerator, it was common practice to drop a silver coin into a container of milk as a preservative because silver was known to prevent the growth of algae, bacteria and other undesirable organisms.

The earliest recorded use of colloidal silver as a medical treatment due to its antimicrobial properties dates back to the Han Dynasty in China in 1500 B.C. However, this was abandoned with the emergence of antibiotics.

In the 1990s, the use of colloidal silver (also known as silver nanoparticles or silver hydrosol) to control infections resurfaced. It has since regained its status as a therapeutic option and a safe alternative medicine. (Related: Are antibiotics irrelevant because of colloidal silver?)

Colloidal silver is a popular product in holistic health circles and is used by natural health practitioners to treat patients safely and effectively.

Colloidal silver is created by suspending pure elemental silver in distilled water. “Colloidal” is the term used to describe the particles of silver that do not dissolve, but instead remain suspended, in the liquid. This form of silver is compatible with the human body. The submicroscopic elements within the colloidal silver are so small that it is able to penetrate cells and eliminate unwanted pathogens by damaging their ability to metabolize oxygen.

Silver ions are released from the silver particles when they come in contact with moisture, such as body fluids. Silver ions perform their work by punching holes in bacterial membranes and wreaking havoc once inside. They are considered to be the biologically active part of colloidal silver responsible for its antimicrobial properties.

The science-backed benefits of colloidal silver

Below are just a few things colloidal silver can do for you. (Related: Ten ways to use colloidal silver’s amazing healing abilities.)

Supports a healthy immune system and the body’s natural ability to heal

According to a study published in the Journal of Applied Microbiology, natural colloidal silver assists in improving the body’s immunity by increasing the white blood cells that directly affect the body’s capacity to fight disease.

Infection is a significant cause of delayed or prolonged healing, and high bacterial levels interfere with the progression of wound healing.

Colloidal silver’s antibacterial and antiviral properties have made it an attractive and practical choice for fighting off common bacteria and viruses responsible for sinus infections, pink eye (conjunctivitis), ear infections, pneumonia, shingles and a host of other ailments.

The great thing about using colloidal silver is it doesn’t contribute to antimicrobial resistance, unlike overuse of antibiotics. According to a study published in Antibiotics (Basel), as a natural antibiotic, colloidal silver does not cause bacteria to mutate like man-made antibiotics do – hence, there will never be any resistant strains against colloidal silver.

According to a study published in Drug Discovery Today, colloidal silver is thought to interfere with proteins found within viruses, preventing the viral replication.

A study published in Scientific Reports features the antibacterial activity of silver-killed bacteria. The study reported a previously unrecognized mechanism where the action of the dead bacteria (as a reservoir of silver) is re-targeted to the living bacteria. The finding could lead to an enhanced ability to control the longevity of colloidal silver-based treatments.

According to a study published in the International Wound Journal, silver-containing wound dressings are a more effective barrier against infection than other products that make similar claims. The National Center for Complementary and Integrative Health (NCCIH) also noted that colloidal silver can be used to treat a variety of wounds, including burns, skin abrasions and cuts and skin infections. It also supports the idea that colloidal silver can be an effective topical wound dressing as silver-containing dressings with the highest concentrations of silver exhibit the strongest bacterial inhibitive properties.

Supports ear health

An ear infection is an inflammation of the middle ear, usually caused by harmful viruses, bacteria (Streptococcus pneumoniae or Haemophilus influenzae) or fungi, that occurs when fluid builds up behind the ear drum.

According to the National Institute on Deafness and Other Communication Disorders (NIDCD), anyone can get an ear infection, but children get them more often than adults because they have short and narrow Eustachian tubes that connect the middle ears to the back of their throat and help drain fluid and equalize the air pressure inside the ears.

According to research, approximately 80 percent of children develop an acute ear infection during their lifetime and between 80 percent and 90 percent will experience otitis media with effusion (collection of fluid in the middle ear) before school age. Acute otitis media (AOM) is the second most common pediatric diagnosis in the emergency department following upper respiratory infections like a sore throat or a cold.

For people who want to take the drug-free (no antibiotics) approach, colloidal silver for ear infections is perhaps the world’s simplest and most effective natural cure due to the fact that it has broad-spectrum antibiotic, antiviral and anti-fungal qualities. People have been known to place 2-3 drops of colloidal silver into the infected ear using a standard eyedropper without any side effects. As a preventive measure, some add colloidal silver to both ears due to the threat of the infection spreading.

Supports eye health

Conjunctivitis (pink eye) is the inflammation or infection of the transparent membrane that lines your eyelid and eyeball, where the blood vessels become more visible and impart a pink color to the eyes. Infants are at a higher risk of contracting pink eye because of their still-developing immune system.

Using a clean dropper, you can drop 2-3 drops directly into the eyes. You can repeat this three to four times a day or until the symptoms fade away. Just ensure that the drops are applied to both the eyes to prevent the spread of the infection.

For thousands of years, colloidal silver has been known to treat infections and reduce inflammation with no known side effects. Unlike a steroid or a prescription antibiotic your body can become resistant to when you use them, colloidal silver actually boosts the immune system and strengthens it while fighting off infection.

Supports skin health and treats skin disorders

Dr. Robert O. Becker, a pioneer surgeon at Syracuse Medical University, found that colloidal silver helps the skin repair itself by triggering “amazing regrowth of tissues when applied to an infected area – dramatically enhancing the healing of damaged skin tissues.”

Becker’s studies also showed that no cases of topical treatment with colloidal silver gave rise to any undesirable side effects. Since then, colloidal silver has become favored as an antibacterial mineral solution and a more popular ingredient in high-end organic and green skincare products.

Because colloidal silver manages not to harm any surrounding tissue, there is also less scarring in general. It can prove beneficial for even the most sensitive skin types – unless you have an allergy to colloidal silver or other silver products, which is rather uncommon.

Supports upper respiratory health

Colloidal silver speeds recovery from the common cold and flu bugs with its immune-boosting benefits. Whether ingested or used in a breathing treatment, colloidal silver succeeds when antibiotics just don’t cut it. It even holds up against viral strains of pneumonia.

Supports oral health

Results of a study published in F1000Research indicate that the use of a colloidal silver gel is an effective way to inhibit the formation of biofilms by the most common bacteria implicated in oral plaque formation, and this gel stands a good potential for an effective commercial dentifrice product – powder, paste or liquid for cleaning the teeth.

The health possibilities of colloidal silver are endless. If you decide you’d like to try colloidal silver, check with your doctor or seek guidance from a healthcare professional for dosing recommendations and to make sure that it won’t interact with any prescriptions you are taking. (Related: Make an informed decision: Everything you need to know about colloidal silver.)

Learn more about why colloidal silver is such a powerful natural antibiotic at

Watch the video below to learn about making colloidal silver out of silver coins.

This video is from the Health Ranger Report channel on


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