short course
Biofilm Disruptors
Infection Support
Biocidin Liquid is a wide-ranging botanical tincture from Biocidin Botanicals that supports a healthy microbial balance in the GI tract, helps with biofilm cleansing, and supports healthy digestion, elimination, and natural detoxification.
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Quick Facts
Key Ingredients
Proprietary Herbal Blend 30 mg
Third-party Testing
Dietary
Corn-free
Dairy-free
Gluten-free
Soy-free
Vegan
Written by
Dr. Marty Ross, MD
Updated
September 24, 2026
Dr. Ross's Expert Review
When the gut microbiome needs broad botanical support and I want tighter control to slowly increase the dose, this is a liquid tincture I use. Biocidin Liquid tincture is built on 18 botanical extracts and essential oils, including bilberry, grape seed extract, garlic, oregano oil, and milk thistle seed. Many of these plants have long traditions of use for microbial balance, and the liquid form is what makes precise, drop-by-drop dosing possible.
Who I use it with
I use it most for people working on intestinal microbial imbalances and biofilms. Biofilms are protective communities that microbes build around themselves. Supporting the body’s ability to break down those communities is often a key part of supporting healthy digestion and elimination.
What the labs show
Laboratory research shows the formula can interrupt bacterial and fungal biofilms. A small open-label trial found that 10 weeks of the liquid tincture supported healthy bacterial balance in the small intestine. Most of that evidence is laboratory work, and the human trials are small. In my practice I see benefit that coincides with the laboratory research and limited human studies.
Starting the dose
I start low and go slow. One drop a day, then a gradual increase toward 10 drops three times a day. This titration matters. Moving too fast can trigger reactions as microbes die off and release their contents. Many people do better pairing botanicals with binders and detox support.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Dr. Ross has a financial relationship with the Femologist store, where this product is sold.
How I Use It in My Practice
In my practice I start most people at a single drop once a day, then raise the dose gradually over several weeks toward 10 drops three times a day. The liquid makes this easy. The drops can be taken directly or mixed with water or juice. For children I use 1 drop per 10 pounds of body weight per day, divided into two doses. I move the dose up slowly and watch for die-off reactions. When someone reacts strongly, I hold the dose steady or step back down before climbing again. Not for use during pregnancy. Anyone nursing, taking medication, or managing a medical condition should review it with their physician first.
This reflects Dr. Ross's clinical experience and is educational, not medical advice. Work with your treating physician before starting, stopping, or changing any supplement or medication.
The Research, in Dr. Ross's Words
The research base for Biocidin Liquid is a mix of laboratory and small human work. In laboratory studies published in Frontiers in Antibiotics, the formula dismantled and inhibited the growth of bacterial and fungal biofilms, including E. coli, Staphylococcus aureus, Pseudomonas aeruginosa, Klebsiella pneumoniae, and Candida albicans. The same line of work points to inhibition of quorum sensing, the signaling system microbes rely on to build biofilms and coordinate activity. That is a plausible mechanism for what I see clinically.
There is one human study worth noting. An open-label trial found that 10 weeks of the liquid tincture supported healthy bacterial balance in the small intestine in people with SIBO, along with a measure of facial redness. That is encouraging, and it is one open-label study, not a large controlled trial.
A review on microbiome-focused detoxification argues for including botanicals like this one in broader detox strategies. Reviews are useful for framing, but they are not treatment evidence.
Taken together, the biofilm and quorum sensing findings are the strongest signals suggesting benefit. The human trial is small and uncontrolled. My use of this formula rests on that limited science plus years of clinical observation. The scientific evidence is still developing for this formulation.
References
From:
Biocidin Botanicals
Botanical intelligence in a single drop. When dealing with gastrointestinal and systemic imbalances, Biocidin® cuts through the complexity. It clears away irritants, unwanted microbes, and biofilms, while selectively enhancing beneficial organisms. Our signature blend, Biocidin® combines 18 botanical extracts and essential oils. The result is a potent, broad-spectrum formula that targets the entire GI tract and helps maintain the delicate balance of microorganisms in the microbiome. Its far-reaching effects include support for biofilm cleansing, immunomodulation, healthy digestion and elimination, and detoxification.
Directions of Use
Begin with 1 drop and gradually increase up to 5 drops 3 times per day or as directed by your healthcare professional. Store in a cool, dry place.
Does not contain
animal-products
artificial-colors
artificial-flavors
corn
dairy
gluten
soy
Not recommended for use during pregnancy. Consult your physician before using any supplement, especially if you are nursing, have a medical condition, or are taking medication. Discontinue use should adverse reactions occur. Keep out of reach of children. Store in a cool, dry place.
Excerpted from Biocidin Botanicals's product information. These statements have not been evaluated by the Food and Drug Administration.
Supplement Facts
Serving Size: 1 Drop (0.044 mL)
Servings Per Container: 680
| Amount Per Serving | Amount | |
|---|---|---|
Proprietary Herbal Blend Vegetable glycerin, Bilberry fruit extract, Grape seed extract, Shiitake mushroom extract, Golden Seal root, Noni fruit extract, Garlic bulb, White Willow bark, Milk Thistle seed, Raspberry fruit, Echinacea Purpurea plant extract, Echinacea Angustifolia root, Black Walnut hull, Black Walnut leaf, Lavender oil, Oregano oil, Galbanum oil, Tea Tree oil, Fumitory aerial parts extract, Gentian Lutea root | 30 mg | |
†Daily Value not established.
‡Organic | ||
Common Questions about Biocidin Liquid
Answers are general educational information, not medical advice for your situation.
Biocidin Liquid
By Biocidin Botanicals
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