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.
We don’t sell supplements. We help you make decisions and get the best price.
Lowest prices
Finding the lowest prices at the stores now. This takes a few seconds.
Study, Trial or Testing Result Summary
Members Only25 human studies · 6 improved
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
- Across 56 trials of 5807 people with burns, silver dressings may shorten healing time versus some comparators, but it is uncertain whether silver changes infection risk.Antiseptics for burns.
- In 29 trials of 5718 surgery patients, silver dressings showed no clear difference in surgical wound infection compared with basic dressings, and the evidence was very low certainty.Dressings for the prevention of surgical site infection.
- In 21 trials of 5504 people with closed surgical wounds, silver dressings reduced the risk of surgical site infection by 22% compared with standard dressings.Antimicrobial dressings for the prevention of surgical-site infection: systematic review and meta-analysis.
- In 22 trials of over 2310 people with diabetic foot ulcers, antimicrobial dressings (including silver) may help more wounds heal than non-antimicrobial dressings, but evidence on infection and other outcomes was uncertain.Topical antimicrobial agents for treating foot ulcers in people with diabetes.
- In seven trials of 650 people with diabetic foot ulcers, silver dressings improved healing rate, shortened healing time and improved infection resolution, but did not significantly reduce ulcer area.Effectiveness of silver dressings in the treatment of diabetic foot ulcers: a systematic review and meta-analysis.
- In a review of 12 studies of hospitalized adults, silver alloy-coated catheters were among the interventions that significantly reduced catheter-related urinary tract infections.Effective interventions to prevent catheter-associated urinary tract infections: a systematic review.
- In 1605 patients receiving brain fluid shunts, infection occurred in 5.9% with silver-impregnated shunts versus 6.0% with standard shunts, so silver did not lower infection.Read the study on PubMed (32238262) →
- In 649 women after cesarean delivery, a silver nylon wound dressing worn over up to 6 weeks did not reduce pain or meds use compared with a gauze dressing.Effect of Using Silver Nylon Dressings on Postoperative Pain after Cesarean Delivery.
- In 570 adults with infected skin wounds, silver sulfadiazine cream used for about a week was the comparison treatment and was less effective clinically than the new peceleganan spray (78.7% vs 90.4%), though it cleared bacteria more often (46.0% vs 24.0%).Peceleganan Spray for the Treatment of Skin Wound Infections: A Randomized Clinical Trial.
- In 315 patients after chest surgery, silver dressings worn for about 5 days did not change wound healing or infection rates compared with a dry sterile dressing.A prospective, randomized controlled trial comparing 3 dressing types following sternotomy.
- In 303 women with urinary retention after pelvic floor surgery, urinary infections within 30 days were similar with silver-coated catheters (34.9%) and standard catheters (36.4%).Silver-Coated Foley Catheters to Reduce UTIs: A Randomized Clinical Trial.
- In 180 ventilated patients, noble metal-alloy breathing tubes lowered the rate of ventilator-associated pneumonia from 43% to 28% compared with standard tubes.Efficacy of Noble Metal–alloy Endotracheal Tubes in Ventilator-associated Pneumonia Prevention: a Randomized Clinical Tr…
- In an interim analysis of 127 children after stem cell transplant, silver bath wipes and standard soap wipes gave very low and equal rates of resistant germ colonization and bloodstream infection over 60 days.Effectiveness of Bath Wipes After Hematopoietic Cell Transplantation: A Randomized Trial.
- In 126 adults with ureteral stents for about 3 weeks, silver sulfadiazine coating did not significantly reduce bacteriuria or improve symptom scores compared with uncoated stents.A randomized controlled trial comparing antimicrobial (silver sulfadiazine)-coated ureteral stents with non-coated stent…
- In 117 children having heart surgery through a breastbone incision, silver-impregnated dressings did not prevent wound infections better than standard dressings, and no infections occurred in either group.Silver-Impregnated Dressings for Sternotomy Incisions to Prevent Surgical Site Infections in Children.
- In 112 patients after hemorrhoid surgery, silver-ion dressings shortened wound healing to full skin coverage to a median of 22 days versus 29 days with petrolatum gauze.Efficacy of silver-ion dressings in accelerating wound healing after hemorrhoidectomy: a dual-center randomized trial.
- In 106 patients with deep second-degree burn wound infections, a nanosilver dressing healed wounds faster and lowered inflammatory IL-1β levels more than sulfadiazine silver cream, though this retracted trial is of uncertain reliability.Nanosilver Dressing in Treating Deep II Degree Burn Wound Infection in Patients with Clinical Studies.
- In 99 patients with reopened surgical wounds, a hypericum and neem oil dressing over 28 days showed similar overall wound infection signs to silver dressings but reduced pain more.Hypericum and neem oil for dehisced post-surgical wounds: a randomised, controlled, single-blinded phase III study.
- In 89 children with partial-thickness burns, two silver dressings healed burns equally well by day 10, though one needed fewer dressing changes.A Randomized Controlled Study of Silver-Based Burns Dressing in a Pediatric Emergency Department.
- In 82 children with tracheotomies, standard Mepilex dressings were no worse than silver-impregnated Mepilex Ag for preventing stoma wound complications over the first 7 days.Comparing Outcomes Between Standard Mepilex and Mepilex Silver for Tracheotomy Dressings.
- In 46 adults with partial-thickness burns, healing time and infection rates did not differ between silver sulfadiazine and polyhexanide gel, though polyhexanide gel caused less pain.Randomized Controlled Trial of Polyhexanide/Betaine Gel Versus Silver Sulfadiazine for Partial-Thickness Burn Treatment.
- In 31 people with full-thickness burns, silver sulfadiazine dressings as the control treatment led to slower wound healing and debridement than maggot therapy.Larval therapy vs conventional silver dressings for full-thickness burns: a randomized controlled trial.
- In a large ICU trial of central venous catheters, silver-platinum-carbon catheters had higher catheter colonization than rifampicin-minocycline catheters, while bloodstream infection was rare with both.A prospective, randomized trial of rifampicin-minocycline-coated and silver-platinum-carbon-impregnated central venous c…
- In 194 people with type 2 diabetes after heart bypass surgery, silver dressings did not significantly reduce wound infections within 30 days compared with standard dressings (11 vs 15 infections).Nanocrystalline-Coated Silver Dressings for Patients with Type 2 Diabetes after Surgical Coronary Revascularization.
- This paper describes the statistical and data management methods for a trial of the Erlanger silver venous catheter and reports no efficacy result in the abstract.Clinical study of the Erlanger silver catheter--data management and biometry.
Review Totals and Summary
Members Only455 reviews · 91% positive
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
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
- 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.
- 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.
- Sometimes adds drop doses of Argentyn silver to the NeilMed rinse bottle for sinus infections.
- Sometimes recommends adding drop doses of argentum silver to the NeilMed rinse for sinus infections.
- 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.
- Mentions that Silver Biotics has been a long-time resident of his own medicine cabinet.
- Appreciates Tru47 as a partner and offers a code for their custom silver for health and healing, implying a recommendation.
- 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.
- 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.
- 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
- Lists colloidal silver as a natural remedy that has stood the test of time.
- 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.
- Dr. Berg suggests trying colloidal silver as a natural a med.
- 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.
- Recommends colloidal silver to handle deeper sources of infection that can deplete zinc and raise cortisol.
- States that Colloidal Silver is an awesome remedy for pink eye.
- Suggests colloidal silver as something one could do for autoimmune conditions.
- Lists Colloidal silver as a natural antiviral nutrient.
Peter Attia · Silver · stopped
- 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
- 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.
- 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.
- Recommends colloidal silver as a great thing to nebulize for COVID.
- Used Silver Sol, a colloidal silver, as a great antimicrobial in a patient with sinus issues, finding it very effective.
- Combined doxycycline with silver, specifically nanoparticle silver like Argentyn 23, because it turbocharges the effects of meds and has had fairly good success orally.
- Mentions that they will be doing deep dives into colloidal silver as part of their ongoing discussions.
Ben Greenfield · Silver · uses
- 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.
- Is experimenting with nano liquid silver fulvic acid, noting it is a powerful antioxidant and anti-inflammatory.
- Uses silver spray in his mouth when he wakes up, swishing it around for 10 minutes.
- 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.
- 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.
- Used Silver Antibacterial Lotion during the World's Toughest Mudder race.
- Finds colloidal silver helpful for dental care.
- Ben mentions nebulizing colloidal silver every day for immune system support.
Siim Land · Silver · recommends
- Strongly believes colloidal silver helps with cystic acne and rosacea by eating up bacteria.
Andrew Huberman · Silver · warns
- 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
| purified Silver | 110 mcg | † |
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
Show entire label
More immune health products
Members OnlyThe highest ranked for the same goal
Read more
Our articles on this subject
- How to Improve Gut Health Naturally: Fiber, Foods and the Probiotic Strains With Human TrialsArticle · Sep 15, 2026
- How to Build a Longevity Supplement Stack: An Evidence-First ReviewArticle · Sep 7, 2026
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.
Privacy policyConsumer health dataTermsDo Not Sell or Share My Personal InformationCookie settings


