American Biotech Labs ASAP 22 Plus Silver Solution Review

American Biotech Labs ASAP 22 Plus Silver Solution is a liquid dietary supplement sold on Amazon in a 16 fluid ounce bottle, listed as a single item. The product name on the listing reads American Biotech Labs - ASAP 22 Plus Silver Solution - Immune System Support, 22 ppm Silver Solution Dietary Supplement - (16 oz). The listing states that it provides 22 ppm silver to support immune function. It is described as a dietary supplement that contains no artificial colors or flavors. The item is unflavored, and the listing says it is free of artificial flavors and sweeteners. The bottle is intended for daily use, according to the bullet points. The brand is named as American Biotech Labs, which the listing describes as a leading supplement company. The product is listed in the Health and Household category under Vitamins, Minerals and Supplements, Antioxidants, Colloidal Minerals and Colloidal Silver. The item details list the dosage form as liquid, the container type as bottle, the age range as adult, and the special ingredient as silver. The recommended use is immune system support. The manufacturer is listed as American Biotech Labs with model number 215-1.0 and UPC 831060002242. The listing shows the product is sold and shipped by American Biotech Labs, is marked as a small business brand, and is noted as non-returnable due to food safety reasons, except for damaged or defective items. The page shows a one-time purchase price of $39.95, or $2.50 per ounce, and a Subscribe and Save price of $35.95 with an option for 15 percent savings at $33.96. The unit count is 16 ounces and the number of items is one. The page also lists an 8 ounce size at $27.71 among the size options, while the 16 ounce bottle is the one selected. The page shows the product as in stock with free delivery shown for November 13 to 19.

Product Focus: Immune HealthAlso covers:Skin
Tier ⓘ
Tier 4 · Rank 11
Tier 4 · Emerging. A promising mechanism or animal data, with thin human evidence so far. Rank 11 within Tier 4 for Immune Health; 62 of 83 overall. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
49 /100
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
91% of 455
Biohacker Mentions
4 of 10
Cost per month
$75

Study, Trial or Testing Result Summary

Members Only25 human studies · 6 improved
25 human studies6 improved16 no effect24,740 people studied

No study here tested silver taken by mouth for immune support, and none tested a daily dose like this product's. All the studies used silver on the outside of the body or on medical devices to prevent infection. A 2026 review of 21 trials in 5504 people with closed surgical wounds found silver dressings lowered wound infection risk by 22% compared with standard dressings [1]. An older 2016 review of 29 trials in 5718 surgery patients found no clear benefit, and that evidence was very low certainty [2]. In people with diabetic foot ulcers, silver dressings improved healing and helped clear infection [3]. Breathing tubes coated with a metal alloy lowered lung infection in ventilated patients from 43% to 28% [4]. However, silver-coated brain fluid shunts did not lower infection [5], and silver-coated urinary catheters did not lower urinary infections [6]. These findings concern silver touching wounds or devices and do not show that drinking a silver solution supports the immune system. Animal and cell studies are never counted.

See all 25 studies →Hide the studies

Review Totals and Summary

Members Only455 reviews · 91% positive
455 reviews · Amazon 437 · EBay 18
91% positive3% neutral6% negative

Review text I could access came mostly from the Amazon listing and eBay seller feedback. It is a limited sample, so treat the themes below as indicative. Reviewers say they believe the product works for immune support. They mention it most for colds and flus, and some describe it as effective against both viral and bacterial illness. Several say they keep it on hand and take it at the first sign of symptoms. Amazon's own summary of reviews says customers find it effective and note no adverse reactions. Immune support was the most frequently mentioned topic, and the mentions were all positive. Many long-time buyers say they have followed American Biotech Labs for years. They trust the brand and its patented process, and they compare it favorably with other silver products. Some reviewers go further than the label. They call it an antifungal, antiviral and "a med," and say it outperforms meds. Those are personal beliefs, not verified results, and they go beyond what regulators accept. Reviewers also report starting with very small amounts, such as an eighth of a teaspoon, to see how they tolerate it. People like the lack of taste and the ease of use. Price comes up as a practical point. One listing shows about $35 for the 8 oz size, and buyers generally see it as fair for something used in small doses. On eBay, the feedback is mostly about the seller. Shipping is fast, packaging is secure and items match their listings. Some listings are old stock, including sealed bottles past their expiry date, which may worry cautious buyers. I did not find substantial complaints about taste, side effects or the bottle. The negative feedback I did find was thin, and reviews that criticize efficacy may be filtered out or buried. Reviews are enthusiastic but anecdotal. They don't address safety concerns such as argyria, which health authorities raise about long-term silver use.

Biohacker Summary

Members Only4 of 10 recommend it
4 of 10 biohackers on our panel recommend it

Silver is the only ingredient the panel discussed, and seven of the ten spoke about it, with views leaning toward use or recommendation. Four of them recommend or use it as a germ fighter, mainly for sinus problems, inflamed eyelids, deeper infections and cystic acne or rosacea; they use it as drops added to a sinus rinse, as eye drops, as a mouth spray swished for 10 minutes, and as a nasal or nebulized liquid, and one paired it with a prescription med to boost its effect. Silver fabric for blocking electromagnetic fields and for sleeping spaces also came up with two of them. One person stopped using silver in water to protect sprouts because easier options exist, one noted that silver treatment for burns is no longer used with modern care, and one warned against swallowing colloidal silver because excessive use can stain the skin silver-purple-brown.

See all 7 biohackers →Hide the biohackers
  • Dave Asprey · Silver · uses
    • 7 Jul 2026 · uses · YouTube ↗
      Uses the Sauna Space Silver Lining, which is a grounded Faraday cage made of 35% silver organic cotton material, to create a quiet, stress-free environment.
    • 4 Sep 2025 · stopped · YouTube ↗
      Used to use colloidal silver in water to prevent sprouts from spoiling, but no longer does so due to the availability of more convenient and effective solutions.
    • 21 Sep 2024 · recommends · YouTube ↗
      Sometimes adds drop doses of Argentyn silver to the NeilMed rinse bottle for sinus infections.
    • 10 Sep 2024 · recommends · YouTube ↗
      Sometimes recommends adding drop doses of argentum silver to the NeilMed rinse for sinus infections.
    • 21 Jul 2023 · warns · YouTube ↗
      Dave Asprey discusses the long history of silver sulfadiazine being used in burn wards for decades to prevent infection, which is a major cause of death for burn victims.
    • 20 Jul 2023 · uses · Podcast ↗
      Mentions that Silver Biotics has been a long-time resident of his own medicine cabinet.
    • 2 Sep 2022 · recommends · Podcast ↗
      Appreciates Tru47 as a partner and offers a code for their custom silver for health and healing, implying a recommendation.
    • 26 Mar 2020 · uses · YouTube ↗
      Says that colloidal silver is a broad-spectrum antimicrobial and he mists himself with it before getting on an airplane because he doesn't like to get sick.
    • 19 Mar 2020 · recommends · YouTube ↗
      Recommends adding silver to humidifier water to reduce the odds of mold growth, noting it's a good choice because it avoids the bleaching or staining issues of iodine or hydrogen peroxide.
    • 19 Mar 2020 · uses · YouTube ↗
      States that Argentyn 23 or colloidal silver always travels with them and they recommend taking it one to two times a day, not just when sick, for resilience.
  • Dr. Eric Berg · Silver · neutral
    • 18 Nov 2025 · neutral · Podcast ↗
      Lists colloidal silver as a natural remedy that has stood the test of time.
    • 16 Nov 2025 · neutral · YouTube ↗
      Dr. Eric Berg, with a disclaimer about content restrictions, relays that colloidal silver was extensively used as a topical antibacterial for cleaning wounds and as a natural a med before the advent of modern meds.
    • 14 Nov 2023 · recommends · Podcast ↗
      Dr. Berg suggests trying colloidal silver as a natural a med.
    • 15 Aug 2021 · recommends · Podcast ↗
      Recommends colloidal silver as the best natural remedy for inflamed eyelids, noting its potent natural anti-pathogenic properties and ability to penetrate the eyelid without known side effects.
    • 26 Sep 2020 · recommends · YouTube ↗
      Recommends colloidal silver to handle deeper sources of infection that can deplete zinc and raise cortisol.
    • 2 Jul 2020 · recommends · Podcast ↗
      States that Colloidal Silver is an awesome remedy for pink eye.
    • 30 Jun 2020 · recommends · Podcast ↗
      Suggests colloidal silver as something one could do for autoimmune conditions.
    • 26 Feb 2020 · recommends · Podcast ↗
      Lists Colloidal silver as a natural antiviral nutrient.
  • Peter Attia · Silver · stopped
    • 6 Apr 2025 · stopped · YouTube ↗
      Mentions that in the old days, they used to treat burn victims with silver sulfadine, but this is no longer the case with modern treatments.
  • Dr. Mark Hyman · Silver · recommends
    • 19 Jan 2024 · recommends · YouTube ↗
      Suggests colloidal silver may be helpful, citing an 85% effectiveness in reducing infection in healthcare professionals, and mentions Designs for Health's Health Liquid Silver.
    • 8 Aug 2021 · uses · YouTube ↗
      Used silver sol, a silver antimicrobial, with great success in a patient to kill bugs and deal with latent infections in the nose, helping with nasal microbiome disruption.
    • 18 Nov 2020 · recommends · YouTube ↗
      Recommends colloidal silver as a great thing to nebulize for COVID.
    • 29 Jun 2020 · uses · YouTube ↗
      Used Silver Sol, a colloidal silver, as a great antimicrobial in a patient with sinus issues, finding it very effective.
    • 22 May 2020 · uses · YouTube ↗
      Combined doxycycline with silver, specifically nanoparticle silver like Argentyn 23, because it turbocharges the effects of meds and has had fairly good success orally.
    • 13 Apr 2020 · neutral · YouTube ↗
      Mentions that they will be doing deep dives into colloidal silver as part of their ongoing discussions.
  • Ben Greenfield · Silver · uses
    • 13 Jan 2024 · uses · YouTube ↗
      Uses Blue Eyes methylene blue silver eye drops, putting two or three drops in his eyes in the morning, and notes they were originally created for acute eye infections, showing positive results.
    • 4 Jan 2024 · uses · YouTube ↗
      Is experimenting with nano liquid silver fulvic acid, noting it is a powerful antioxidant and anti-inflammatory.
    • 10 Aug 2023 · uses · YouTube ↗
      Uses silver spray in his mouth when he wakes up, swishing it around for 10 minutes.
    • 15 Jan 2023 · uses · YouTube ↗
      John Lieurance primes IVs with silver, noting its anti-inflammatory and antimicrobial properties, and its ability to greatly enhance the photodynamic aspect of methylene blue.
    • 3 Feb 2018 · uses · YouTube ↗
      Uses a 100% silver shielding fabric from a German manufacturer, which can be grounded to block EMF, and has created a travel sleeping bag from it.
    • 17 Nov 2015 · uses · Podcast ↗
      Used Silver Antibacterial Lotion during the World's Toughest Mudder race.
    • Date not recorded · uses · Website ↗
      Finds colloidal silver helpful for dental care.
    • Date not recorded · uses · Website ↗
      Ben mentions nebulizing colloidal silver every day for immune system support.
  • Siim Land · Silver · recommends
    • 12 Mar 2022 · recommends · YouTube ↗
      Strongly believes colloidal silver helps with cystic acne and rosacea by eating up bacteria.
  • Andrew Huberman · Silver · warns
    • 27 Dec 2021 · warns · YouTube ↗
      Warns against ingesting colloid silver, mentioning that people put it in their eyes and can stain their skin a silver-purple-brown color if done excessively.

RAL Summary

Members OnlyTier 4 for Immune Health

The tier rests on studies of silver wound dressings, coated tubes and medical devices, not on silver taken by mouth for immune health, so no study here tested this product's use. So it is graded Tier 4, lower than the rules alone gave.

  • Emerging: not enough evidence to rank higher yet.

Where the evidence disagrees: 16 of the 25 human studies found no effect.

More Details

Members OnlyBody systems · Combine with · Possible side effects

Body systems: Immune system, Skin

Combine with: If the goal is tooth health, use products designed for it instead of colloidal silver. Useful options include calcium (citrate or microcrystalline hydroxyapatite) with magnesium, vitamin D3 with vitamin K2 (MK-7) to direct calcium to teeth and bones, and vitamin C for gum and collagen support. Topically, fluoride or nano-hydroxyapatite toothpaste, xylitol gum or mints to reduce cavity-causing bacteria, and oral probiotics such as Streptococcus salivarius K12 can help. CoQ10 may support gum tissue. If the silver is used for general immune support, pair it with vitamin C, zinc, and vitamin D3. Separate silver from other minerals and medications by a few hours, and talk to a healthcare professional before using it long term.

Possible side effects: No major side effects reported in the studies given. The review summary notes health authorities raise argyria as a concern with long-term silver use.

Supplement Facts

purified Silver 110 mcg
Supplement Facts
Serving Size 5 mL
Servings Per Container 48
Amount Per Serving% Daily Value
purified Silver110 mcg†
† Daily Value not established.

Other ingredients: Deionized Water.

Directions: Suggested use: Adults: 1 teaspoon up to three times daily. Children: 1/4 to 1/2 teaspoon once daily.

Barcode (UPC) 831060002204 · Label source: NIH label database · Report a label change

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Graded November 5, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.