short course
Biofilm Disruptors
Infection Support
Broad-spectrum botanical formula of 18 herbal extracts and essential oils by Biocidin Botanicals. Supports microbial balance in the GI tract, healthy biofilm cleansing, digestion, and the body's natural detoxification processes.
10% off all supplements
Use code at checkout
MARTYROSS10
Opens Femologist.com in a new tab
TreatLyme and Dr. Marty Ross, MD, are affiliated with Femologist. We may earn a commission on purchases made through this link or code.
Quick Facts
Key Ingredients
Proprietary Herbal Blend 400 mg
Third-party Testing
Dietary
Written by
Dr. Marty Ross, MD
Updated
September 24, 2026
Dr. Ross's Expert Review
Biocidin is one of the herbal formulas I reach for when the intestinal microbiome needs support for healthy microbial balance. It is a wide-ranging botanical blend of 18 botanical extracts and essential oils from Biocidin Botanicals, including garlic, oregano oil, goldenseal, black walnut, milk thistle, and gentian. The maker describes it as targeting the entire GI tract to maintain microbial balance, and that matches what I see in practice.
I also use it for biofilm support. Germs build protective coverings to block out the immune system and antimicrobials from doing their work. Laboratory research on this exact formula in the liquid form showed activity against bacterial and fungal biofilms, and one open-label study found the liquid tincture supported healthy bacterial balance in the small intestines over 10 weeks. That is encouraging, but the clinical work here is early, and most of the evidence is lab based.
Watch for die-off reactions: more fatigue, headaches, or aching. If that happens, the dose was increased too quickly. In my practice, we drop back to the last tolerable dose and hold there. Do not use it during pregnancy, and if you are nursing, taking medication, or working with a physician on a treatment plan, bring it into that conversation before starting.
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, Biocidin is a staple of intestinal microbial support. I usually start people at one capsule once a day working to one capsule three times a day over a week or two as tolerated. It can be taken on an empty stomach or a small meal, either works. If someone experiences die-off symptoms, we increased the dose too fast. I hold at the last tolerable dose for a week before trying again. Most people stay on it for a few months as part of a full protocol. It is not a stand-alone answer; the sleep, diet, and microbiome foundation comes 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
Looking across these papers, the science on Biocidin is promising but early. Two laboratory papers report the same core finding: this exact formula dismantles bacterial and fungal biofilms, including E. coli, Staphylococcus aureus, Pseudomonas, Klebsiella, and Candida albicans, and it appears to work partly by blocking quorum sensing, the chemical signaling germs use to build and defend their nests. That matters because biofilms are one of the reasons intestinal microbial imbalances are hard to budge. These are laboratory findings. There are no human trials to confirm this happens in people.
The human evidence is thinner but points the same direction. One open-label study followed 10 weeks of the liquid tincture and found support for healthy bacterial balance in the small intestine in people with SIBO-type concerns. Open-label work cannot separate expectation from effect, and it studied the liquid, not the capsules.
So where does that leave us? The lab work is consistent across papers. The clinical work is limited, small in sample, and short in duration. Theory and observation suggest this formula helps maintain microbial balance and supports the body’s biofilm cleansing processes.
References
From:
Biocidin Botanicals
Biocidin® capsules contain our Biocidin® Botanical Blend, made with 99% organic ingredients. It’s a combination of 18 botanical extracts and essential oils that targets the entire GI tract and helps maintain microbial balance. Its far-reaching effects include support for biofilm cleansing, immunomodulation, healthy digestion and elimination, and detoxification.
Directions of Use
Take one capsule per day and gradually increase to one capsule two times per day or as directed by your healthcare professional. May be taken on an empty stomach or with a small meal as desired.
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 Capsule
Servings Per Container: 90
| 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 | 400 mg | |
†Daily Value not established. | ||
Common Questions about Biocidin
Answers are general educational information, not medical advice for your situation.
Biocidin
By Biocidin Botanicals
From $63.97 · Save 10% with code MARTYROSS10
Lumbrokinase
Enzyme-based biofilm disruptor often paired with botanicals in biofilm protocols.
Boluoke
Lumbrokinase-based biofilm disruptor; an enzyme alternative in the same category.
BioDisrupt
Combination biofilm disruptor in the same category from Researched Nutritionals.
Guide
Biofilm Gated Communities
Biofilm guide that explains the germ nests this botanical formula is aimed at.
Guide
Parasites in Lyme & Tick-borne Diseases
Intestinal parasite guide; part of the same gut microbial balance work.
Guide
Small Intestine Bacterial Overgrowth (SIBO) in Lyme Disease
SIBO guide; the open-label Biocidin research addressed small intestine bacteria.