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Dietary supplement

Florajen Bifidoblend Ingredients & Drug Interactions

by American Lifeline

Florajen Bifidoblend label
See full label image
Capsule Category: Non-nutrient/non-botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 30, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Florajen Bifidoblend 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

Florajen Bifidoblend is a dietary supplement by American Lifeline with 2 active ingredients. Its ingredients are commonly taken for digestive health and regularity, irritable bowel syndrome (ibs), diarrhea (including antibiotic-related).Based on those ingredients, 182 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Bifidobacterium longum, Bifidobacterium bifidum. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Florajen Bifidoblend by American Lifeline

Ask about any prescription or over-the-counter medication and we check it for interactions with Florajen Bifidoblend by American Lifeline — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Florajen Bifidoblend by American Lifeline

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 11, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 2 of its 2 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains 2 active ingredients: Bifidobacterium longum and Bifidobacterium bifidum, both live probiotic bacteria designed to support gut health. The capsule also holds rice dextrin and gelatin as inactive ingredients to hold and deliver the bacteria.

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: High potency probiotic for digestive health.
  • We looked for evidence on: Antibiotic-associated diarrhea, Clostridioides difficile infection, Constipation, Diarrhea, Irritable bowel syndrome (IBS), Lactose intolerance — and 4 related terms.
  • The strongest evidence on file: Bifidobacterium Bifidum is rated "Possibly Effective" for Irritable bowel syndrome (IBS) (Natural Medicines).
  • Also on file: Bifidobacterium Bifidum is rated "Insufficient Reliable Evidence To Rate" for Antibiotic-associated diarrhea, Constipation, Radiation-induced diarrhea, Ulcerative colitis, and more.
  • Also on file: Bifidobacterium Longum is rated "Insufficient Reliable Evidence To Rate" for Antibiotic-associated diarrhea.

Bifidobacterium bifidum is possibly effective for irritable bowel syndrome (IBS) and respiratory tract infections. Bifidobacterium longum has been studied for age-related cognitive decline, hay fever, antibiotic-associated diarrhea, anxiety, asthma, and athletic performance, but the evidence for those uses is insufficient to rate it.

The bottom line: there's some promise for gut and respiratory health with the bifidum, but we don't have solid evidence yet for most other conditions.

The evidence, ingredient by ingredient Bifidobacterium Longum 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.

Both bacteria are generally well tolerated in healthy people. However, if you're seriously ill or have a weakened immune system, talk to your doctor first — the data are limited and caution is advised.

Rare side effects with these probiotics include abdominal discomfort, bloating, flatulence, constipation, and in very rare cases, a dry cough. There have been extremely rare reports of bacterial bloodstream infection (bacteremia) in critically ill or preterm infants, though this is not a typical concern for otherwise healthy adults.

Data on use while breastfeeding are limited, so check with your doctor or pharmacist first if you're nursing.

Side effects, ingredient by ingredient Bifidobacterium Longum 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 — Bifidobacterium Bifidum, Bifidobacterium Longum.
  • 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 (Moderate severity) — antibiotics can kill the live bacteria and make the probiotics less effective. Ask your pharmacist or doctor about timing.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with some supporting evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

Florajen Bifidoblend is a two-strain probiotic that may help with IBS and respiratory infections. It's generally well tolerated, but if you're on antibiotics, space them apart.

If you're seriously ill, immune-compromised, or breastfeeding, talk to your pharmacist or doctor before starting.

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 May 24, 2013.

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 Florajen Bifidoblend, straight from the product label.

Brand American Lifeline
Barcode (UPC) 739423550488
Net contents 60 Capsule(s)
Market status On market
Date entered into DSLD May 24, 2013
DSLD ID 20968
Product type Non-nutrient/non-botanical
Supplement form Capsule
Dietary claims / uses Nutrient, 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 Florajen Bifidoblend by American Lifeline, 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 Capsule(s)
Maximum serving Sizes:
1 Capsule(s)
Servings per container
60
UPC/BARCODE
739423550488
IngredientAmount% DV
Bifidobacterium longum1000000000 Unit(s)--
Bifidobacterium bifidum9000000000 Unit(s)--

Other ingredients: Rice Dextrin, Gelatin Capsules

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

Usage: Take 1 capsule daily unless a higher dosage is recommended by your healthcare professional, preferably on an empty stomach.

Storage

Storage: Refrigerate for maximum freshness and potency. Can be stored at room temperature for up to two weeks while traveling and still maintain effectiveness.

Precautions

Do not use if safety seal is broken.

FDA Disclaimer Statement

Statements on this package have not been evaluated by the Food and Drug Administration. This product is not medicinal and is not intended to diagnose, treat, cure or prevent any disease.

FDA Statement of Identity

High Potency Probiotic Dietary Supplement

Formula

B. bifidum & B. longum 10 Billion Live Cultures Per Capsule

Formulation

Does not contain yeast, sugar, soy, eggs, corn, wheat, gluten, coloring or preservatives. Gluten-free and Dairy-free

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

See for yourself

Florajen Bifidoblend by American Lifeline label

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

Florajen Bifidoblend 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 Florajen Bifidoblend by American Lifeline

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

Serving size1 Capsule(s) Dosage formCapsule Servings per container60 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.

Bifidobacterium longum

Interacts with
182 drugs
1000000000 Unit(s) per serving

Bifidobacterium longum is a 'friendly' bacterium found naturally in the human gut and used as a probiotic. It is generally well tolerated and is most...

Bifidobacterium longum monograph & interactions

Bifidobacterium bifidum

Interacts with
182 drugs
9000000000 Unit(s) 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....

Bifidobacterium bifidum monograph & interactions

Other (inactive) ingredients: Rice Dextrin, Gelatin Capsules. These complete the product’s ingredient list but are not active constituents.

Interaction report

Florajen Bifidoblend by American Lifeline Drug Interactions

Want to check YOUR meds against Florajen Bifidoblend?

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

Bifidobacterium longum 182
Bifidobacterium bifidum 182

Individual Drug Interactions

The ingredients in Florajen Bifidoblend interact with 182 drugs. Click any drug to see the details.

2 of the 2 ingredients in Florajen Bifidoblend interact with drugs. Each result below shows which ingredient is responsible. Bifidobacterium longum Bifidobacterium bifidum

Each ingredient & the kinds of drugs it affects

For each ingredient in Florajen Bifidoblend 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.

Bifidobacterium longum1 drug type · 182 drugs

Antibiotic Drugs

Theoretically, taking Bifidobacterium longum with antibiotic drugs might decrease the effectiveness of B. longum.
Since B. longum 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. longum preparations by at least 2 hours.

Likelihood Probable Evidence D
Bifidobacterium longum 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 Florajen Bifidoblend, from the product label.

American Lifeline

See all American Lifeline products
Name
American Lifeline, Inc.
Street Address
138 First Street
City
Baraboo
State
Wisconsin
ZipCode
53913
Pharmacist Counseling Corner

Florajen Bifidoblend by American Lifeline: Common Questions

Does Florajen Bifidoblend by American Lifeline interact with any medications?
Yes. Based on its ingredients, Florajen Bifidoblend 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?
Florajen Bifidoblend 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 antibiotics?
Not at the same time. Antibiotics kill the live bacteria in this product and make it less effective. Ask your pharmacist how long to wait between doses — it depends on which antibiotic you're taking.
Is this safe if I have a weakened immune system?
You should check with your doctor first. This product is generally well tolerated in healthy people, but those with weakened immune systems need caution because the data are limited.
What are the side effects?
Most people tolerate it well. Rarely, people report bloating, flatulence, abdominal discomfort, or constipation. A dry cough has been reported by one person in a trial.
Does this actually work for IBS?
Bifidobacterium bifidum is possibly effective for IBS. The other ingredient, B. longum, hasn't been studied enough for us to say whether it helps with IBS or most other conditions.
Is it safe to take while breastfeeding?
The data aren't well studied. Talk to your doctor or pharmacist first — they can weigh your situation and give you personalized advice.
Does this have fillers?
It contains rice dextrin and gelatin capsules as inactive ingredients to hold and deliver the probiotics.

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

Not sure if Florajen Bifidoblend 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.

Florajen Bifidoblend label
Go deeper

The Full Monographs Behind Florajen Bifidoblend’s Ingredients

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

Herb & supplement monograph

Bifidobacterium Longum

Interacts with 182 drugs

Bifidobacterium longum is a 'friendly' bacterium found naturally in the human gut and used as a probiotic. It is generally well tolerated and is most studied for digestive issues, though evi...

Read the full Bifidobacterium Longum 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

Florajen Bifidoblend'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 28 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 Longum 21 references
  1. Ha GY, Yang CH, Kim H, Chong Y. Case of sepsis caused by Bifidobacterium longum. J Clin Microbiol 1999;37:1227-8.
  2. Pierce A. The American Pharmaceutical Association Practical Guide to Natural Medicines. New York: The Stonesong Press, 1999:19.
  3. 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
  4. Rautava S, Kainonen E, Salminen S, Isolauri E. Maternal probiotic supplementation during pregnancy and breast-feeding reduces the risk of eczema in the infant. J Allergy Clin Immunol. 2012;130(6):1355-60. PubMed
  5. 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.
  6. Pellonperä O, Vahlberg T, Mokkala K, et al. Weight gain and body composition during pregnancy: a randomised pilot trial with probiotics and/or fish oil. Br J Nutr. 2020 Nov 4:1-11. PubMed
  7. Pellonperä O, Mokkala K, Houttu N, et al. Efficacy of fish oil and/or probiotic intervention on the incidence of gestational diabetes mellitus in an at-risk group of overweight and obese women: A randomized, placebo-controlled, double-blind clinical trial PubMed
  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. 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
  10. Enomoto T, Sowa M, Nishimori K, et al. Effects of bifidobacterial supplementation to pregnant women and infants in the prevention of allergy development in infants and on fecal microbiota. Allergol Int 2014;63(4):575-85. PubMed
  11. US Food and Drug Administration (FDA). Dear Healthcare Provider Letter: Warning Regarding Use of Probiotics in Preterm Infants. September 2023. Available at: https://www.fda.gov/media/172606/download?attachment. Accessed November 1, 2023.
  12. Pillai A, Tan J, Paquette V, Panczuk J. Does probiotic bacteremia in premature infants impact clinically relevant outcomes? A case report and updated review of literature. Clin Nutr ESPEN. 2020;39:255-259. PubMed
  13. Sabaté JM, Iglicki F. Effect of Bifidobacterium longum 35624 on disease severity and quality of life in patients with irritable bowel syndrome. World J Gastroenterol 2022;28(7):732-744.
  14. Malaguarnera M, Greco F, Barone G, Gargante MP, Malaguarnera M, Toscano MA. Bifidobacterium longum with fructo-oligosaccharide (FOS) treatment in minimal hepatic encephalopathy: a randomized, double-blind, placebo-controlled study. Dig Dis Sci 2007;52(11) PubMed
  15. Zbinden A, Zbinden R, Berger C, Arlettaz R. Case series of Bifidobacterium longum bacteremia in three preterm infants on probiotic therapy. Neonatology 2015;107(1):56-9.
  16. Tamaki H, Nakase H, Inoue S, et al. Efficacy of probiotic treatment with Bifidobacterium longum 536 for induction of remission in active ulcerative colitis: A randomized, double-blinded, placebo-controlled multicenter trial. Dig Endosc 2016;28(1):67-74.
  17. Bertelli C, Pillonel T, Torregrossa A, et al. Bifidobacterium longum bacteremia in preterm infants receiving probiotics. Clin Infect Dis 2015;60(6):924-7. PubMed
  18. Esaiassen E, Cavanagh P, Hjerde E, Simonsen GS, Støen R, Klingenberg C. Bifidobacterium longum subspecies infantis bacteremia in 3 extremely preterm infants receiving probiotics. Emerg Infect Dis 2016;22(9):1664-6.
  19. Tena D, Losa C, Medina MJ, Sáez-Nieto JA. Peritonitis caused by Bifidobacterium longum: case report and literature review. Anaerobe 2014;27:27-30. PubMed
  20. Sangkanjanavanich S, Pradubpongsa P, Mitthamsiri W, Sangasapaviliya A, Boonpiyathad T. Bifidobacterium infantis 35624 efficacy in patients with uncontrolled asthma: A randomized placebo-controlled trial. Ann Allergy Asthma Immunol 2022;129(6):790-792. PubMed
  21. Wilson HL, Ong CW. Bifidobacterium longum vertebrodiscitis in a patient with cirrhosis and prostate cancer. Anaerobe 2017;47:47-50. PubMed

See these in context on the Bifidobacterium Longum 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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