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Dietary supplement

Bio-Bifidus Complex Ingredients & Drug Interactions

by AB American Biologics

Bio-Bifidus Complex label
See full label image
Powder Category: Non-nutrient/non-botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Bio-Bifidus Complex against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Moderate

Bio-Bifidus Complex is a dietary supplement by AB American Biologics with 2 active ingredients. Its ingredients are commonly taken for digestive health and regularity, diarrhea (including antibiotic-related), irritable bowel syndrome (ibs) symptoms.Based on those ingredients, 182 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are B. bifidum, L. acidophilus (DDS-1 strain). Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Bio-Bifidus Complex by AB American Biologics

Ask about any prescription or over-the-counter medication and we check it for interactions with Bio-Bifidus Complex by AB American Biologics — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Bio-Bifidus Complex by AB American Biologics

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Jul 12, 2026

What’s inside

Low disclosure
Ingredient Transparency · database check
Low

Most active ingredients don't disclose an individual amount — you can't tell how much of each you're getting.

Why this rating?
  • The label discloses an exact amount for 0 of its 2 active ingredients.

Bio-Bifidus Complex contains 2 active ingredients: Bifidobacterium bifidum and Lactobacillus acidophilus (DDS-1 strain). These are live probiotic bacteria — the kind naturally found in a healthy gut — meant to support digestive and immune function.

The powder also includes maltodextrin and herbal stabilizers as inactive ingredients to keep the organisms viable.

Does it work?

Moderate evidence
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Moderate

Some clinical evidence supports this product's ingredients for its stated purpose, but it isn't conclusive.

Why this rating?
  • The label markets this product for: rebuild and maintain healthy intestinal flora balance.
  • We looked for evidence on: Antibiotic-associated diarrhea, Bacterial vaginosis, Clostridioides difficile infection, Colic, Constipation, Inflammatory bowel disease (IBD) — and 4 related terms.
  • The strongest evidence on file: Lactobacillus Acidophilus is rated "Possibly Effective" for Antibiotic-associated diarrhea (Natural Medicines).
  • Also on file: Lactobacillus Acidophilus is rated "Possibly Effective" for Bacterial vaginosis, Irritable bowel syndrome (IBS).
  • Also on file: Bifidobacterium Bifidum is rated "Possibly Effective" for Irritable bowel syndrome (IBS).

The evidence is strongest for irritable bowel syndrome (IBS), where both B. bifidum and L. acidophilus are rated possibly effective based on available research. L. acidophilus also shows possibly effective evidence for Helicobacter pylori infection, antibiotic-associated diarrhea, and bacterial vaginosis.

For other conditions like hay fever, anxiety, and Alzheimer's disease, the evidence is too limited to rate. L. acidophilus is rated possibly ineffective for atopic disease (allergies and eczema).

The evidence, ingredient by ingredient Bifidobacterium Bifidum Lactobacillus Acidophilus

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 2 of the 2 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 2 of 2.
  • General safety write-ups exist for 2 of 2.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Both strains are generally well tolerated in healthy people. However, the facts note that those with weakened immune systems should be cautious, and evidence remains limited overall — it's worth checking with your doctor before starting, especially if you're immunocompromised.

Bloating and flatulence can occur with probiotic use in general, though they haven't been specifically reported from B. bifidum alone. Rare serious infections (sepsis, abscess, endocarditis) have been documented in the medical literature with Lactobacillus species, but these are extremely uncommon and typically occur in critically ill patients.

For pregnancy, both strains are rated possibly safe; there is no data on file about use during breastfeeding — talk with your pharmacist or doctor for personalized guidance.

Side effects, ingredient by ingredient Bifidobacterium Bifidum Lactobacillus Acidophilus

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 2 of the 2 matched ingredients can interact with medications — Lactobacillus Acidophilus, Bifidobacterium Bifidum.
  • The most serious interaction on file is rated Moderate.
  • For scale: 182 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Antibiotic drugs (Moderate interaction) — separate your antibiotic dose from this product by several hours to keep the antibiotics from killing off the live probiotic organisms. No other drug interactions are documented for these ingredients in our data.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFormula with limited ingredient disclosure with some supporting evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

If you have IBS or are recovering from antibiotic use, this product may be worth trying. If you're on antibiotics right now, separate the dose from this supplement by several hours.

If your immune system is compromised or you're critically ill, check with your doctor first. Always let your pharmacist know about any new supplements.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 2 of 2 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Jun 24, 2019.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Bio-Bifidus Complex, straight from the product label.

Brand AB American Biologics
Barcode (UPC) 690290510145
Net contents 14 oz.; 400 Gram(s)
Market status On market
Date entered into DSLD Jun 24, 2019
DSLD ID 203328
Product type Non-nutrient/non-botanical
Supplement form Powder
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Dairy Free, Sugar Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Bio-Bifidus Complex by AB American Biologics, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
0.25 tsp
Maximum serving Sizes:
3 tsp
Servings per container
400
UPC/BARCODE
690290510145
IngredientAmount% DV
B. bifidum0 NP--
L. acidophilus (DDS-1 strain)0 NP--

Other ingredients: Maltodextrin, Herbal Stabilizers

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Formulation

Free of: Gluten, yeast, wheat, corn, soy, dairy, sugar, artificial coloring or flavoring Free of MSG

General

Label Rev. 05/16

FDA Statement of Identity

Dietary Supplement

Formula

A dairy-free blend of B. bifidum and L. acidophilus

Bifidobacterium bifidum and Lactobacillus acidophilus are found in normal healthy intestinal flora and help rebuild and/or maintain a desirable balance between the various intestinal microorganisms.

Suggested/Recommended/Usage/Directions

Recommended use: As an adult dietary supplement take 1/4 teaspoon to 1 tablespoon or as directed by a healthcare practitioner.

FDA Disclaimer Statement

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.

Precautions

Pregnant or nursing mothers should consult a physician before using any dietary supplements.

Keep out of the reach of children.

Storage

Store in a cool dry place. Refrigeration recommended after opening.

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Bio-Bifidus Complex by AB American Biologics label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Bio-Bifidus Complex label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Bio-Bifidus Complex by AB American Biologics

These are the 2 active ingredients this product is made of. Select any to open its full monograph.

Serving size0.25 tsp Dosage formPowder Servings per container400 Amounts shown are per serving.

Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.

B. bifidum

Interacts with
182 drugs
0 NP per serving

Bifidobacterium bifidum is a 'friendly' bacteria (probiotic) that naturally lives in the human gut and is taken to support digestion and gut balance....

B. bifidum monograph & interactions

L. acidophilus (DDS-1 strain)

Interacts with
182 drugs
0 NP per serving

Lactobacillus acidophilus is a 'friendly' bacterium used as a probiotic to support gut and vaginal health. It is generally well tolerated in healthy p...

L. acidophilus (DDS-1 strain) monograph & interactions

Other (inactive) ingredients: Maltodextrin, Herbal Stabilizers. These complete the product’s ingredient list but are not active constituents.

Interaction report

Bio-Bifidus Complex by AB American Biologics Drug Interactions

Want to check YOUR meds against Bio-Bifidus Complex?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

 Go to the checker
182Drugs
182 Moderate

Ingredients driving the most interactions

B. bifidum 182
L. acidophilus (DDS-1 strain) 182

Individual Drug Interactions

The ingredients in Bio-Bifidus Complex interact with 182 drugs. Click any drug to see the details.

2 of the 2 ingredients in Bio-Bifidus Complex interact with drugs. Each result below shows which ingredient is responsible. B. bifidum L. acidophilus (DDS-1 strain)

Each ingredient & the kinds of drugs it affects

For each ingredient in Bio-Bifidus Complex with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.

B. bifidum1 drug type · 182 drugs

Antibiotic Drugs

Theoretically, taking Bifidobacterium. bifidum with antibiotic drugs might decrease the effectiveness of B. bifidum.
Since B. bifidum preparations usually contain live and active organisms, simultaneously taking antibiotics might kill a significant number of the organisms. Tell patients to separate administration of antibiotics and B. bifidum preparations by at least 2 hours.

Likelihood Probable Evidence D
B. bifidum full monograph & interactions

L. acidophilus (DDS-1 strain)1 drug type · 182 drugs

Antibiotic Drugs

Theoretically, taking Lactobacillus acidophilus with antibiotic drugs might decrease the effectiveness of L. acidophilus.
L. acidophilus preparations usually contain live and active organisms. Therefore, simultaneously taking antibiotics might kill a significant number of the organisms. Tell patients to separate administration of antibiotics and L. acidophilus preparations by at least two hours.

Likelihood Probable Evidence D
L. acidophilus (DDS-1 strain) full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Bio-Bifidus Complex, from the product label.

AB American Biologics

See all AB American Biologics products
Name
AMERICAN BIOLOGICS
Street Address
1180 Walnut Ave.
City
Chula Vista
State
CA
Phone Number
619-429-8200
Pharmacist Counseling Corner

Bio-Bifidus Complex by AB American Biologics: Common Questions

Does Bio-Bifidus Complex by AB American Biologics interact with any medications?
Yes. Based on its ingredients, Bio-Bifidus Complex has a known interaction with 182 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Bio-Bifidus Complex contains 2 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I take this with my antibiotics?
Not at the same time. Antibiotics can kill the live organisms in this product, making it less effective. Space them out — take your antibiotic at one time of day and this powder several hours before or after. Your pharmacist can help you pick the best timing.
Will this help my IBS?
Both strains in this product are rated possibly effective for IBS, which means some research supports their use but the evidence isn't conclusive. Everyone's gut is different, so results vary.
Are there any side effects?
Bloating and flatulence can happen with probiotics in general, though you might not experience them. One rare case reported vomiting and fever in a child taking both strains together, but it's unclear if the probiotics caused it. Serious infections are extremely rare and happen mainly in very ill patients.
Is this safe if I'm pregnant?
Both strains are rated possibly safe in pregnancy, but the evidence is limited. Talk with your doctor or pharmacist about whether this is right for you during pregnancy.
What does this product actually do?
It contains live beneficial bacteria meant to support your digestive and immune health. They're the kind naturally present in a healthy gut. The evidence is strongest for IBS and some types of diarrhea.
Is this a powder I mix with water?
Yes, Bio-Bifidus Complex comes as a powder. The maltodextrin and herbal stabilizers help keep the live organisms stable until you use it.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

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Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Bio-Bifidus Complex label
Go deeper

The Full Monographs Behind Bio-Bifidus Complex’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Bifidobacterium Bifidum

Interacts with 182 drugs

Bifidobacterium bifidum is a 'friendly' bacteria (probiotic) that naturally lives in the human gut and is taken to support digestion and gut balance. Some evidence suggests probiotics may he...

Read the full Bifidobacterium Bifidum monograph → Herb & supplement monograph

Lactobacillus Acidophilus

Interacts with 182 drugs

Lactobacillus acidophilus is a 'friendly' bacterium used as a probiotic to support gut and vaginal health. It is generally well tolerated in healthy people, and there is reasonable evidence...

Read the full Lactobacillus Acidophilus monograph →
Sources

Sources & How We Checked

Bio-Bifidus Complex's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 22 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Bifidobacterium Bifidum 7 references
  1. Pierce A. The American Pharmaceutical Association Practical Guide to Natural Medicines. New York: The Stonesong Press, 1999:19.
  2. Xiao JZ, Takahashi S, Odamaki T, et al. Antibiotic susceptibility of bifidobacterial strains distributed in the Japanese market. Biosci Biotechnol Biochem. 2010;74(2):336-42. PubMed
  3. Rerksuppaphol S, Rerksuppaphol L. Randomized controlled trial of probiotics to reduce common cold in schoolchildren. Pediatr Int. 2012;54(5):682-7. PubMed
  4. Karamali M, Dadkhah F, Sadrkhanlou M, et al. Effects of probiotic supplementation on glycaemic control and lipid profiles in gestational diabetes: a randomized, double-blind, placebo-controlled trial. Diabetes Metab 2016;42(4):234-41. PubMed
  5. Badehnoosh B, Karamali M, Zarrati M, et al. The effects of probiotic supplementation on biomarkers of inflammation, oxidative stress and pregnancy outcomes in gestational diabetes. J Matern Fetal Neonatal Med. 2018 May;31(9):1128-1136.
  6. Pruccoli G, Silvestro E, Pace Napoleone C, Aidala E, Garazzino S, Scolfaro C. Are probiotics safe? Bifidobacterium bacteremia in a child with severe heart failure. Infez Med. 2019;27(2):175-178.
  7. Esaiassen E, Hjerde E, Cavanagh JP, Simonsen GS, Klingenberg C; Norwegian Study Group on Invasive Bifidobacterial Infections. Bifidobacterium bacteremia: Clinical characteristics and a genomic approach to assess pathogenicity. J Clin Microbiol. 2017;55(7) PubMed

See these in context on the Bifidobacterium Bifidum monograph →

Lactobacillus Acidophilus 15 references
  1. Pierce A. The American Pharmaceutical Association Practical Guide to Natural Medicines. New York: The Stonesong Press, 1999:19.
  2. Begtrup LM, de Muckadell OB, Kjeldsen J, Christensen RD, Jarbøl DE. Long-term treatment with probiotics in primary care patients with irritable bowel syndrome--a randomised, double-blind, placebo controlled trial. Scand J Gastroenterol 2013;48(10):1127-35 PubMed
  3. Chatterjee S, Kar P, Das T, Ray S, Gangulyt S, Rajendiran C, Mitra M. Randomised placebo-controlled double blind multicentric trial on efficacy and safety of Lactobacillus acidophilus LA-5 and Bifidobacterium BB-12 for prevention of antibiotic-associated
  4. Shavakhi A, Tabesh E, Yaghoutkar A, Hashemi H, Tabesh F, Khodadoostan M,Minakari M, Shavakhi S, Gholamrezaei A. The effects of multistrain probiotic compound on bismuth-containing quadruple therapy for Helicobacter pylori infection: a randomized placebo-c
  5. Karamali M, Dadkhah F, Sadrkhanlou M, et al. Effects of probiotic supplementation on glycaemic control and lipid profiles in gestational diabetes: a randomized, double-blind, placebo-controlled trial. Diabetes Metab 2016;42(4):234-41. PubMed
  6. Badehnoosh B, Karamali M, Zarrati M, et al. The effects of probiotic supplementation on biomarkers of inflammation, oxidative stress and pregnancy outcomes in gestational diabetes. J Matern Fetal Neonatal Med. 2018 May;31(9):1128-1136.
  7. Kumar S, Kumar R, Rohilla L, Jacob N, Yadav J, Sachdeva N. A high potency multi-strain probiotic improves glycemic control in children with new-onset type 1 diabetes mellitus: A randomized, double-blind, and placebo-controlled pilot study. Pediatr Diabete
  8. Shahriari A, Karimi E, Shahriari M, Aslani N, Khooshideh M, Arab A. The effect of probiotic supplementation on the risk of gestational diabetes mellitus among high-risk pregnant women: A parallel double-blind, randomized, placebo-controlled clinical trial PubMed
  9. Xiao SD, Zhang DZ, Lu H, et al. Multicenter, randomized, controlled trial of heat-killed Lactobacillus acidophilus LB in patients with chronic diarrhea. Adv Ther. 2003;20(5):253-60.
  10. Rossi F, Amadoro C, Gasperi M, Colavita G. Lactobacilli infection case reports in the last three years and safety implications. Nutrients. 2022;14(6):1178. PubMed
  11. Ozer M, Goksu SY, Shahverdiani A, Mustafa M. Lactobacillus acidophilus-induced endocarditis and associated splenic abscess. Case Rep Infect Dis 2020;2020:1382709.
  12. Sadrin S, Sennoune S, Gout B, et al. A 2-strain mixture of Lactobacillus acidophilus in the treatment of irritable bowel syndrome: A placebo-controlled randomized clinical trial. Dig Liver Dis 2020;52(5):534-540. PubMed
  13. Stoffer JN, Slingsby TJ, Giuliari GP. Lactobacillus acidophilus endophthalmitis after intravitreal bevacizumab injection requiring intraocular lens explantation. Can J Ophthalmol 2022;57(1):e21-e22. PubMed
  14. Cukovic-Cavka S, Likic R, Francetic I, Rustemovic N, Opacic M, Vucelic B. Lactobacillus acidophilus as a cause of liver abscess in a NOD2/CARD15-positive patient with Crohn's disease. Digestion 2006;73(2-3):107-10.
  15. Hui J, Ren Y, Wang Y, Han Q. Lactobacillus acidophilus endophthalmitis postcataract operation: A case report with a literature review. Ocul Immunol Inflamm 2023.

See these in context on the Lactobacillus Acidophilus monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

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