The 6 Best Colloidal Silver Supplements

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Silver has been used for centuries to treat many ailments, especially bacterial infections. Used as early as 3000 B.C, this precious metal, and its compounds have been used by Egyptians and Greeks for its medicinal properties.

Silver is present as a natural element in whole grains, certain types of mushrooms, mammal milk, and surprisingly, tap water.

But, what is colloidal silver?

Discovered in the 1890s, true colloidal silver is constituted with tiny nanoparticles of positively charged silver ions suspended in pure water. 

Solutions of colloidal silver usually vary from light amber to a nearly black color depending on the concentration and size of silver particles. This concentration is usually expressed as Part Per Million (PPM) in supplements.

Colloidal silver supplements are conveniently available online in the form of liquids, sprays, drops, and gel. Research suggests that it may have healing properties that help to treat wounds and fight infections.

Listed are our 6 top choices of colloidal silver products. Take a look at them and find which one suits your needs the best.

Our Top Picks

1. Best Quality Sovereign Silver Bio-Active Silver Hydrosol

2. Best LiquidSilver Holistics Colloidal Silver

3. Best BudgetResearch Labs Silver Doc Silver Hydrosol

4. Best StrengthInstitut Katharos Colloidal Silver

5. Best Vegan Silver Biotics Immune Support

6. Best GelSilver Miracles Colloidal Silver Gel

Now let’s look at each of these colloidal silver supplements in detail to find out why they are considered the best among the numerous supplements.

1. Best Quality – Sovereign Silver Bio-Active Silver Hydrosol Dropper

Quality is the most important factor consumers look for in a supplement. A colloidal silver product excels in quality when it uses top-grade ingredients, nano-sized positively charged silver, effective ppm concentration that is highly bioavailable to the body, and is tested and verified by third-party testing.

About Sovereign Silver Bio-Active Silver Hydrosol

Sovereign Silver Bio-Active Silver Hydrosol is a top-ranking supplement that can lend immune support to the human body. It contains only 2 main ingredients – 99.999% pure quality silver and USP grade purified water.

The silver particles maintained at a size of 0.8 nanometers, 96% positively charged ions, with 10 ppm concentration, ensure maximum bioavailability and faster absorption into the body.

Natural Immunogenics, manufacturers of the Sovereign Silver brand emphasize on quality and hence use 100% non-GMO top-grade silver to make Bio-Active Silver Hydrosol. It is also verified by a third-party for safety and purity.

What it Contains:

Each serving size of 1 teaspoon (5 ml) contains

  • Silver – 50 mcg

This Sovereign Silver Bio-Active Silver Hydrosol bottle of 4 fl oz (120 ml) provides 24 servings. It is also available as 2 fl. oz. (60 ml) and 8 fl. oz. (240 ml) for the buyer’s convenience.

The recommended dosage is 5 ml or 6 droppers for adults and 2.5 ml or 3 droppers for people under 60 lbs, to be held under the tongue for 30 seconds, and swallowed. Based on need, it can be taken up to 7 times to enhance immunity.

Made in a GMP certified facility in the USA, Sovereign Silver Bio-Active Silver Hydrosol is packaged in amber glass bottles to preserve content stability. This product is vegan, free from gluten, and allergens, making it safe for adults and children.

The Pros:

  • 99.999% pure silver with 96% positively charged silver ions
  • Miniscule size of 0.8 nanometers particle size for maximum absorption
  • Packed in amber glass bottles to ensure the stability of contents
  • Suitable for adults and children

Summary: Sovereign Silver Bio-Active Silver Hydrosol is a high-quality non-GMO supplement with pure silver of 10 ppm and 0.8 nm size for maximum absorption. It is third-party tested and verified as safe for adults and children.

2. Best Liquid – Silver Holistics Colloidal Silver

The liquid is a common form in colloidal silver supplements. Many factors contribute to the stability and effectiveness of liquid colloidal silver.

The most important is the PPM concentration which also decides the liquid color. Also packaging in glass bottles that do not allow UV rays penetration is important to maintain the stability of the liquid.

About Silver Holistics Colloidal Silver

Silver Holistics Colloidal Silver is a premium supplement that contains the power of silver to enhance immunity in the body. Suitable for all seasons, especially during the cold season, this supplement contains pure silver ions in distilled water as the only ingredient.

The ionic silver is 98% positively charged and the concentration is at 10 ppm which guarantees safety for adults, children, and even pets. The silver ions are sized at 1 nanometer to facilitate more bioavailability and quick absorption.

Based in Florida, Silver Holistics is a family-owned business and manufactures its Colloidal Silver in its facility in the USA.

What it Contains:

Each serving size of 1 teaspoon (5 ml) has

1 teaspoon = 6 droppers

  • Silver – Adults 1 tsp (50 mcg)

– Children 4 years and above ½ tsp (25 mcg)

Available as 16 oz (473 ml) bottles, Silver Holistics Colloidal Silver is designed to cater to 94 servings.

The suggested dosage is 1 tsp kept under the tongue for 30 seconds and swallowed, to build up immunity. This supplement can be safely used up to 7 times a day by adults and children.

Silver Holistics Colloidal Silver is made using non-GMO ingredients and is packaged in blue-tinted glass bottles to prevent changes to the solution from UV rays and in-turn its efficiency. This supplement is free from gluten and any salt, proteins, additives, or contaminants. A 100% money-back guarantee adds to complete customer satisfaction.

The Pros:

  • 10 ppm, 1 nm size, ionic silver packed in blue glass bottles
  • Suitable for adults, children, and pets
  • No additives, gluten, salts, or proteins
  • 100% money-back guarantee

Summary: Silver Holistics Colloidal Silver is packed with 1 nm-sized, silver ions of 10 ppm strength for maximum efficiency. Packaged in tinted glass bottles that offer protection from UV rays, it is free from additives and salts too.

3. Best Budget – Research Labs Silver Doc Silver Hydrosol

Budget is a huge factor for consumers when considering colloidal silver supplements. While a buyer looks for the best supplement to purchase at a pocket-friendly cost, manufacturers focus on the ingredient quality, the processes involved, etc. to fix the ideal cost.

About Research Labs Silver Doc Silver Hydrosol

Silver Doc Silver Hydrosol is a well-known supplement filled with the goodness of pure silver. This special mineral with 99.999% purity in clear distilled water provides the necessary boost to keep the body’s immunity in top form.

The micro-sized silver ions are 0.8 nanometers which ensure 99% bioavailability for maximized absorption and effectiveness. 

Limited to 20 ppm silver concentration, this supplement is within the reference dose set by the US EPA (Environmental Protection Agency) and hence safe for both humans and animals.

What it Contains:

Each serving size of 1 teaspoon (5 ml) offers

  • Silver – 100 mcg

This Silver Doc Silver Hydrosol bottle of 16 fl oz (473 ml) provides 94.5 servings. Research Labs offers 2 bottles of this premium product for the price of one owing to lower manufacturing costs and to encourage more buyers.

The recommended dosage is 1 tsp, 1-2 times a day for maintenance, and 1-2 tsp every 4-6 hrs a day for building immunity. Children can take half a teaspoon in the same manner. This supplement is safe for pets too.

Silver Doc Silver Hydrosol is made in the USA, using a proprietary lean six sigma manufacturing process that helps cut costs and benefit the customer. Every batch is tested for efficiency and contains no additives, which guarantees safety in consumption.

The Pros:

  • Highest bioavailability of 99% 
  • Micro 0.8nm sized silver particles for maximum absorption
  • An effective concentration of 20 ppm
  • Proprietary lean six sigma manufacturing process to cut costs

Summary: Silver Doc Silver Hydrosol is a natural supplement with 20 ppm concentration, a 0.8 nm size, and 99% bioavailability, its proprietary manufacturing process cuts costs to provide an affordable and cost-effective supplement.

4. Best Strength – Institut Katharos Colloidal Silver

Strength in a colloidal silver supplement refers to the PPM concentration. PPM concentration, along with silver grade and purity determines the effectiveness of silver and if accompanied by nano-sized silver, results in maximized absorption by the body.

About Institut Katharos Colloidal Silver

Institut Katharos Colloidal Silver is a top-ranking supplement that has been formulated with pure silver with optimal concentration to enhance the skin and body defense in a natural manner.

The 40 ppm silver concentration is powerful and contains 96% silver ions that are less than 1 nanometer and 4% that varies between 1-5 nanometers suspended in ultrapure water, that ensure perfect absorption.

Manufactured and packaged by a small, dedicated team of Institut Katharos in Aix-en-Provence, France, EU, this supplement has been certified by 3 independent laboratories for purity, quality, and effectiveness.

What it Contains:

  • Aqua, Colloidal Silver 40 ppm

Institut Katharos Colloidal Silver is available in beautiful amber glass bottles of 10 fl. oz (300 ml) that provide 30 servings and can be used 2-3 times a day. It is also available 17 fl. oz and 34 fl. oz that give 50 and 100 servings respectively.

The outer recycled cardboard packaging keeps the bottle intact. A free spray bottle and a measuring cup are included for accurate measure and convenience. Institut Katharos provides an all-natural supplement that has no fillers or contaminants to ensure complete safety in consumption.

The Pros:

  • Powerful 40 ppm silver concentration with 96% ionic silver
  • Can be used as liquids or sprays
  • Beautiful amber glass bottles to maintain silver stability
  • Made in EU and certified by 3 independent labs

Summary: Institut Katharos Colloidal Silver is a natural supplement made in Europe. Designed to be used as liquid or sprays, this 40 ppm strong supplement is certified by 3 independent labs for quality and efficiency.

5. Best Vegan – Silver Biotics Immune Support

Vegan products are popular in the supplement industry. It refers to the fact that a product does not use any animal or animal-based products that vegans or vegetarians refrain from consuming nanosilver.

About Silver Biotics Immune Support

Silver Biotics Immune Support is a popular supplement that can help build and maintain the body’s immunity. With just 2 ingredients that can be consumed by everyone, it has 10 ppm concentration of pure silver in deionized water.

American Biotech Labs uses a novel and patented SilverSol Technology to manufacture its Silver Biotics Immune Support using only nano-sized silver that the body can assimilate and use easily.

Recommended by many doctors, this supplement is made with 100% non-GMO ingredients entirely in the USA, is probiotic-friendly, has no animal-based ingredients, and has been clinically tested for product efficiency.

What it Contains:

Each serving size of 1 teaspoon (5 ml) consists of

  • Purified Silver (10 ppm) – 50 mcg

The Silver Biotics Immune Support is packaged as 32 fl. Oz (946 ml) and can provide 188 servings. The recommended dosage for adults is 1 teaspoon or 5 ml that can be taken up to 3 times daily. Children may safely use ¼ to ½ teaspoon just once a day.

Silver Biotics Immune Support is made with pure, natural ingredients that are 100% vegetarian and suitable for vegans too. This supplement is free from gluten, sugars and contains no additives, preservatives, or artificial ingredients. It is backed by a 60-day money-back guarantee that provides value for money.

The Pros:

  • 10 ppm nanosilver for effective absorption
  • Patented SilverSol Technology to guarantee quality
  • 100% vegan-friendly
  • No gluten, sugar, artificial ingredients, additives, or preservatives

Summary: Silver Biotics Immune Support is made with the patented SilverSol Technology using 10ppm nanosilver concentration. This supplement is vegan-friendly, free from additives, gluten, sugar, and is suitable for everyone.

6. Best Gel – Silver Miracles Colloidal Silver Gel

A gel is a popular and go-to form of silver when it comes to topical applications. The best quality colloidal silver gel is usually a clear, non-sticky, easily absorbent form that has an ideal PPM concentration to relieve dryness and heal skin-related conditions.

About Silver Miracles Colloidal Silver Gel

Silver Miracles Colloidal Silver Gel is an all-natural supplement loaded with pure silver that can be used as a topical application to relieve skin dryness or to hasten the healing process in burns and other skin conditions.

Formulated with 99.99% pure silver in a 75 ppm concentration, Silver Miracles Colloidal Silver Gel is non-sticky, oil-free, and absorbs into the skin completely.

Manufactured in the USA using the highest standards of quality, this top quality supplement uses globally-sourced ingredients, is 100% allergen-free, and extremely safe for use both on humans and animals.

What it Contains:

  • Water (Type 1 Ultrapure)
  • Sodium Carbomer
  • Urea
  • Argentum Metallicum (Colloidal Silver)

This container of Silver Miracles Colloidal Silver Gel is of 4 fl. Oz (118 ml) and intended for external use only. It is unscented and has no colors. The gel is clear and may turn light amber with time, but this does not affect its efficiency.

Silver Miracles uses pure silver to retain quality and does not use any artificial dyes, oils, or harsh chemicals that may harm the skin. Colloidal Silver Gel may be the best gel to protect and revitalize the skin both outside and inside.

The Pros:

  • Formulated with 99.99% pure silver as 75 ppm concentration
  • Unscented and uncolored
  • Made in the USA using globally-sourced ingredients
  • Free from allergens, oils, and chemicals

Summary: Silver Miracles Colloidal Silver Gel is the best gel supplement that comes loaded with 75 ppm silver to protect, heal, and revitalize the skin. It is unscented, free from harmful chemicals, and is fit for use by humans and pets.

Dosage for Colloidal Silver Supplements

The dosage for colloidal silver depends on the formulation and the condition for which it is being used.

Different brands may have dosage variations depending on whether they are liquids, droppers, sprays, or gels.

When it concerns gels, the suggested use is to apply the gel 3-4 times a day or whenever required based on the condition.

Sprays or droppers are normally advised for 2-3 times a day, depending on the concentration of silver.

Liquids are usually recommended to be taken as follows, though it can vary with certain brands.

  •  1 teaspoon or 5 ml for adults to be held under the tongue for 30 seconds and swallowed
  • ½ teaspoon or 2.5 ml for children or individuals under 60 lbs to be held under the tongue for 30 seconds and swallowed

Liquid supplements are recommended to be taken 1 or 2 times a day for maintenance, 3, 5, or up to 7 times for building immunity in general.

One can follow the exact instructions of the manufacturer or it would be best to consult a practitioner who can suggest the dosage and suitability of a colloidal silver supplement.

Summary: Dosage for colloidal silver supplements can vary depending on silver concentration and the condition for which it is being used. Users can follow product label instructions or see a doctor’s advice for a suitable dosage.

Risks and Side Effects of Using Colloidal Silver

Silver, as a natural element, does not pose great health hazards and is considered beneficial for its antimicrobial properties. It is widely used in medical care devices and for topical applications.

Silver toxicity is quite low in the human body, but excessive inhalation or oral use of colloidal silver can pose certain risks (1).

One of the known side-effects of using too much colloidal silver is an irreversible condition called Argyria. Silver deposits in mucous membranes, skin, etc. cause a bluish-grey color that is not dangerous, but permanent and cosmetically undesirable.

Colloidal silver may interact and reduce the efficiency of certain medications and antibiotics (2).

Before using any colloidal silver supplements, everyone, especially people with medical conditions, pregnant, or nursing women should consult a practitioner to avoid any adverse outcomes and prevent irreversible damage.

Summary: Colloidal Silver is not proven as dangerous to health but can have certain undesirable outcomes such as Argyria. A practitioner’s advice is recommended to prevent interactions with medication and other side-effects.

Frequently Asked Questions (FAQs)

How Long do Colloidal Silver Supplements Take to Work?

Collider silver supplements are available for internal and external use. The efficiency of a supplement also depends on the concentration, size, and quality of silver.

Topical applications work faster and results can be seen from day one of use. Internal supplements can take up to a week to start working. Your practitioner can also guide you regarding the suitable dosage required to see the necessary results.

Are Colloidal Silver Supplements With Higher Concentrations More Effective?

Colloidal silver supplements have silver concentrations that are measured in PPM, but higher PPMs are not a measure of effectiveness.

The purity and particle size of silver matters more. The smaller the particles (nano sizes) the more bioavailable they are and better absorbed. Also, the particles must be positively charged or at least be neutral.

Positively charged silver particles have exhibited maximum germ-fighting properties in scientific studies. Hence, supplements with a silver purity of 99.999% using USP grade purified water, with nanosized particles that are positively charged are more effective.

How Should Colloidal Silver Supplements be Stored?

Colloidal silver can react with light and the content efficiency can be compromised.

Hence, colloidal silver supplements can be stored in a place that is ideally away from direct sunlight and without exposure to electromagnetic waves caused by household appliances or gadgets. These supplements should not be frozen or refrigerated either.

Are Colloidal Silver Supplements Safe for Pregnant Women and Children?

Though silver as a natural element is present in certain food sources and mammalian milk, the safety of colloidal silver for pregnant or nursing women and children is not established.

It is advisable to check with a practitioner regarding any form of a colloidal silver supplement before use.

The Final Note

Silver as a metal and as a natural element is popular and has been used since ancient Egyptian and Greek civilizations for storing water, as jewelry, and in medicine.

Colloidal silver is nanoparticles of positively charged pure silver suspended in purified water. Believed to have healing properties, colloidal silver solutions vary from clear to amber to almost black color. and are expressed as PPM to indicate concentration.

Excessive ingestion of colloidal silver can lead to undesirable side effects. Available as liquids, drops, sprays, and gel, a doctor’s advice is recommended to select the best form of colloidal silver supplements and to avoid any adverse effects.

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