Interactions on record — worth a quick check against your medications. Based on 2 of 5 ingredients. Check your meds →
Dietary supplement

Bifido-Complex Ingredients & Drug Interactions

by Progressive Professional from Progressive Laboratories

Bifido-Complex label
See full label image
Capsule Category: Non-nutrient/non-botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 23, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Bifido-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

Bifido-Complex is a dietary supplement by Progressive Professional from Progressive Laboratories with 5 active ingredients. Its ingredients are commonly taken for digestive health and balance, diarrhea (including antibiotic-related), vaginal yeast and bacterial infections.Based on those ingredients, 182 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Lactobacillus acidophilus, Bifidobacterium bifidum. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

Jump to a section

Check Your Meds Against Bifido-Complex by Progressive Professional from Progressive Laboratories

Ask about any prescription or over-the-counter medication and we check it for interactions with Bifido-Complex by Progressive Professional from Progressive Laboratories — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Bifido-Complex by Progressive Professional from Progressive Laboratories

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 5 active ingredients.
  • “Proprietary Blend” is a proprietary blend — the label doesn't break down how much of each component you get.

Bifido-Complex is a five-ingredient probiotic formula. It contains Lactobacillus acidophilus and Bifidobacterium bifidum—two live beneficial bacteria strains that support healthy gut flora.

The product also includes three additional probiotic ingredients: Lactobacillus casei, Bifidobacterium animalis lactis, and Lactobacillus rhamnosus. These are delivered in capsule form with a proprietary blend, along with fructooligosaccharides (a prebiotic fiber that feeds good bacteria), cellulose, and vegetable lubricant.

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: Digestive health and probiotic 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 for these probiotics varies by condition. For Lactobacillus acidophilus, the data shows it's possibly effective for irritable bowel syndrome, Helicobacter pylori infection, antibiotic-associated diarrhea, and bacterial vaginosis.

Bifidobacterium bifidum is possibly effective for irritable bowel syndrome and respiratory tract infections. For other conditions like allergic rhinitis, anxiety, and Alzheimer disease, the evidence we hold is too limited to rate.

We have no effectiveness data on file for Lactobacillus casei, Bifidobacterium animalis lactis, or Lactobacillus rhamnosus.

The evidence, ingredient by ingredient Lactobacillus Acidophilus Bifidobacterium Bifidum

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.

Lactobacillus acidophilus and Bifidobacterium bifidum are generally well tolerated in healthy adults and children. That said, the data is limited and both carry a caution: check with your doctor before use, especially if you have a weakened immune system.

Side effects are uncommon but can include mild gastrointestinal discomfort, bloating, flatulence, or diarrhea. In rare cases, these live organisms have been associated with serious infections in vulnerable patients, though most occur in those already dealing with significant illness or bacterial overgrowth elsewhere in the body.

For pregnancy: both Lactobacillus acidophilus and Bifidobacterium bifidum are rated possibly safe during pregnancy. We have no lactation data on file for either ingredient.

Side effects, ingredient by ingredient Lactobacillus Acidophilus Bifidobacterium Bifidum

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.

Separate this product from antibiotic drugs by several hours; taking them together may make the probiotics less effective. If you're on any other medications, check them with the search tool below first.

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.

Bifido-Complex is a multi-strain probiotic that may help with gut-related issues like IBS and antibiotic-associated diarrhea. If you're currently taking antibiotics, separate the doses—the antibiotics can knock out the live cultures.

Talk to your pharmacist before starting, especially if you have any immune system concerns or are on other medications.

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

Assessment coverage: 2 of 5 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Nov 22, 2023.

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 Bifido-Complex, straight from the product label.

Brand Progressive Professional from Progressive Laboratories
Barcode (UPC) 351821009179
Net contents 90 Vegetable Capsule(s)
Market status On market
Date entered into DSLD Nov 22, 2023
DSLD ID 299155
Product type Non-nutrient/non-botanical
Supplement form Capsule
Dietary claims / uses All Other
Intended target group(s) Adult (18 - 50 Years)
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 Bifido-Complex by Progressive Professional from Progressive Laboratories, 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:
1 Vegetable Capsule(s)
Maximum serving Sizes:
1 Vegetable Capsule(s)
Servings per container
90
UPC/BARCODE
351821009179
IngredientAmount% DV
Proprietary Blend0 NP--
Lactobacillus acidophilus0 NP--
Bifidobacterium bifidum0 NP--
Lactobacillus casei0 NP--
Bifidobacterium animalis lactis0 NP--
Lactobacillus rhamnosus0 NP--

Other ingredients: Fructooligosaccharides, Hydroxypropyl Methylcellulose, Vegetable Lubricant

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.
Suggested/Recommended/Usage/Directions

Directions: One vegetable capsule three times daily, or more, as directed by a health care professional.

Precautions

Pregnant and/or lactating women should consult their health physician prior to use.

Tamper evident band around cap and seal on bottle. Do not use if either seal is broken or missing.

Keep out of reach of children.

Sold only for dispensing by a licensed health care professional.

Formulation

This product is acid resistant and heat tolerant to allow delivery of the live organisms into the intestinal tract. The microorganisms in this product are specially selected strains which are proven to be acid and bile resistant.

Progressive Laboratories manufactured this product in it's 3rd party GMP-inspected facility. (Good Manufacturing Practices)

Acid resistant delayed released

Seals/Symbols

Certified GMP Compliant GMP Good Manufacturing Practices 21 CFR 111

FDA Statement of Identity

Dietary Supplement

Formula

Three billion live organisms per capsule

Storage

Keep bottle tightly closed and refrigerated.

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

See for yourself

Bifido-Complex by Progressive Professional from Progressive Laboratories label

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

Bifido-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 Bifido-Complex by Progressive Professional from Progressive Laboratories

These are the 5 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Vegetable Capsule(s) Dosage formCapsule Servings per container90 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.

Proprietary Blend

0 NP per serving

Other (inactive) ingredients: Fructooligosaccharides, Hydroxypropyl Methylcellulose, Vegetable Lubricant. These complete the product’s ingredient list but are not active constituents.

Interaction report

Bifido-Complex by Progressive Professional from Progressive Laboratories Drug Interactions

Want to check YOUR meds against Bifido-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

Lactobacillus acidophilus 182
Bifidobacterium bifidum 182

Individual Drug Interactions

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

2 of the 5 ingredients in Bifido-Complex interact with drugs. Each result below shows which ingredient is responsible. Lactobacillus acidophilus Bifidobacterium bifidum

Each ingredient & the kinds of drugs it affects

For each ingredient in Bifido-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.

Lactobacillus acidophilus1 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
Lactobacillus acidophilus full monograph & interactions

Bifidobacterium 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
Bifidobacterium bifidum full monograph & interactions
The maker

Brand information

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

Progressive Professional from Progressive Laboratories

See all Progressive Professional from Progressive Laboratories products
Name
Progressive Laboratories, Inc.
City
Irving
State
Texas
ZipCode
75038
Phone Number
1-800-527-9512
Pharmacist Counseling Corner

Bifido-Complex by Progressive Professional from Progressive Laboratories: Common Questions

Does Bifido-Complex by Progressive Professional from Progressive Laboratories interact with any medications?
Yes. Based on its ingredients, Bifido-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?
Bifido-Complex contains 5 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 kill the live organisms in probiotics, so they won't work as well together. Space them out by a few hours and ask your pharmacist for a specific schedule that works with your antibiotic.
Will this help my IBS?
The two main ingredients here—Lactobacillus acidophilus and Bifidobacterium bifidum—are both possibly effective for IBS based on the evidence we hold. Results vary from person to person, so it may take a few weeks to notice a difference.
What's a prebiotic—is that the same as a probiotic?
Not quite. This product contains probiotics (live bacteria) and fructooligosaccharides, which is a prebiotic—a type of fiber that feeds the good bacteria so they can thrive. They work together.
Are there any side effects I should expect?
Uncommon, but some people report mild bloating, gas, or abdominal discomfort when they first start taking probiotics. These usually settle down. If you develop fever, severe pain, or signs of infection, stop and contact your doctor.
Is it safe to take while pregnant?
The two ingredients we have data on—Lactobacillus acidophilus and Bifidobacterium bifidum—are both rated possibly safe in pregnancy. Talk with your doctor to make sure it's right for your individual situation.
How many different bacteria strains are in this?
Five: Lactobacillus acidophilus, Bifidobacterium bifidum, Lactobacillus casei, Bifidobacterium animalis lactis, and Lactobacillus rhamnosus.

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

Not sure if Bifido-Complex is safe with your meds?

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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.

Bifido-Complex label
Go deeper

The Full Monographs Behind Bifido-Complex’s Ingredients

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

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 → 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 →
Sources

Sources & How We Checked

Bifido-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.

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 →

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 →

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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