Interaction check not available yet — this product's ingredients haven't been matched to our database.
Dietary supplement

Ultimate Flora Adult 50+ Probiotic Ingredients & Drug Interactions

by Renew Life

Ultimate Flora Adult 50+ Probiotic 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 Ultimate Flora Adult 50+ Probiotic 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

Ultimate Flora Adult 50+ Probiotic is a dietary supplement by Renew Life with 2 active ingredients.Based on those ingredients, 182 medications have a known interaction with it, the most serious rated moderate. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

Jump to a section

Check Your Meds Against Ultimate Flora Adult 50+ Probiotic by Renew Life

Ask about any prescription or over-the-counter medication and we check it for interactions with Ultimate Flora Adult 50+ Probiotic by Renew Life — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
Prefer a human? Send your question to our licensed pharmacists — free, answered by email within 24 hours.

HelloPharmacist Scorecard of Ultimate Flora Adult 50+ Probiotic by Renew Life

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

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 12 active ingredients.
  • “Adult 50+ Probiotic Culture Blend” is a proprietary blend — the label gives one combined amount (93 mg) without saying how much of each component you get.
  • “Bifido Probiotic Blend” is a proprietary blend — the label doesn't break down how much of each component you get.
  • “Lacto Probiotic Blend” is a proprietary blend — the label doesn't break down how much of each component you get.

This is a 12-ingredient probiotic blend containing live bacterial cultures. The product includes two Lactobacillus acidophilus strains plus nine other bacterial species or strains (like L. plantarum, L. rhamnosus GG, and several Bifidobacterium types).

These are the active ingredients — they're the live microorganisms meant to support your gut health. The capsule itself is made from inactive ingredients like microcrystalline cellulose (a plant fiber), hypromellose (a thickener), gellan gum, and medium chain triglycerides.

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 and immune health support.
  • We looked for evidence on: Antibiotic-associated diarrhea, Bacterial vaginosis, Clostridioides difficile infection, Constipation, Inflammatory bowel disease (IBD), Irritable bowel syndrome (IBS) — 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: Lactobacillus Acidophilus is rated "Insufficient Reliable Evidence To Rate" for Constipation, Inflammatory bowel disease (IBD), Rotaviral diarrhea, Respiratory tract infections.

The Lactobacillus acidophilus strains in this product are possibly effective for irritable bowel syndrome (IBS), Helicobacter pylori infection, antibiotic-associated diarrhea, and bacterial vaginosis, based on the clinical evidence we hold. They're rated possibly ineffective for atopic disease.

For acute respiratory distress syndrome (ARDS), the evidence is too limited to rate. For the other bacterial strains in the blend, we don't have effectiveness ratings on file.

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 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Lactobacillus acidophilus is generally well tolerated in healthy adults and children. Gastrointestinal side effects — like stomach discomfort, bloating, gas, diarrhea, or burping — can happen when you take it with other probiotics, but these are uncommon.

Because the product contains live microorganisms, there's a theoretical concern they could cause infection in certain patients; rare cases of L. acidophilus have been linked to serious infections like sepsis or endocarditis, though most occurred in people with underlying conditions. In one trial using a multi-strain blend, a couple of participants developed rash or itching, though it's unclear if L. acidophilus was responsible.

Check with your doctor before starting, especially if you have a weakened immune system or are critically ill.

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?
  • 1 of the 1 matched ingredient can interact with medications — Lactobacillus Acidophilus.
  • 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.

If you take antibiotics, check with us before you start this probiotic. Antibiotics can reduce how well the live bacteria work if you take them at the same time.

Several ingredients in this blend we haven't yet checked for interactions; use the tool below to verify your specific medications.

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.

This probiotic is mainly for people looking to support digestive health, particularly those with IBS, antibiotic-related diarrhea, or certain infections. If you're on antibiotics, separate the doses — take your antibiotic and probiotic several hours apart so the antibiotic doesn't kill the beneficial bacteria.

Talk to your pharmacist before you start, especially if you have any immune concerns.

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

Assessment coverage: 2 of 12 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Oct 24, 2022.

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 Ultimate Flora Adult 50+ Probiotic, straight from the product label.

Brand Renew Life
Net contents 60 Vegetarian Capsule(s)
Market status On market
Date entered into DSLD Oct 24, 2022
DSLD ID 275721
Product type Non-nutrient/non-botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Seniors/Mature (>50 Years), Gluten Free, Dairy 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 Ultimate Flora Adult 50+ Probiotic by Renew Life, 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
IngredientAmount% DV
Lactobacillus acidophilus NCFM0 NP--
Bifidobacterium lactis HN0190 NP--
Lactobacillus acidophilus La-140 NP--
Lactobacillus plantarum Lp-1150 NP--
Lactobacillus rhamnosus GG0 NP--
Bifidobacterium lactis BI-040 NP--
Bifidobacterium lactis Bi-070 NP--
Bifidobacterium infantis Bi-260 NP--
Lactobacillus casei Lc-110 NP--
Adult 50+ Probiotic Culture Blend93 mg--
Lactobacillus brevis Lbr-350 NP--
Bifido Probiotic Blend0 NP--
Lactobacillus paracasei Lpc-370 NP--
Lactococcus lactis Ll-230 NP--
Lacto Probiotic Blend0 NP--

Other ingredients: Microcrystalline Cellulose, Hypromellose, Gellan Gum, Medium Chain Triglycerides

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.
General Statements

For over 20 years, Renew Life has been a pioneer in gut wellness.

Questions or comments? 1-800-830-1800 or www.renewlife.com

At Renew Life, we are 100% devoted to your well-being. That's why we use more clinically studied strains than the leading brand.

And a recyclable bottle Our guarantee We stand by our products. Visit renewlife.com/customer-service for our 60-day satisfaction guarantee. L. rhamnosus GG strain, PubMed Clinical Trials

Formulation

We don't compromise on quality. You trust us with your health and we take that seriously, which is why Renew Life Adult 50+ probiotic guarantees: Potency through expiration Promotes regularity & digestive balance

A gluten, dairy and soy-free formula

Potency, quality and purity guaranteed through expiration.

Made In The USA of Global Ingredients

Digestive and immune health support Smaller, easier-to-swallow capsules

A Non-GMO Project Verified formula

Formula

A formula containing world-class strains backed by science A blend of 12 different strains to support digestive and immune health Delayed-release capsules that help the probiotics reach your gut alive Provides bifidobacteria, which decrease as you age 30 billion live cultures 12 probiotic strains

We've improved Renew Life probiotics with world-class strains to help your natural rhythms thrive. Inside, you can find: The #1 most-studied probiotic strain L. rhamnosus GG strain, PubMed Clinical Trials

FDA Statement of Identity

Probiotic supplement

Seals/Symbols

Non GMO Project Verified nongmoproject.org

Suggested/Recommended/Usage/Directions

Directions: for best results, take one (1) capsule daily, with or without food.

Storage

Store at 77 degrees F (25 degrees C) or below. Best if refrigerated.

Precautions

Keep out of reach of children.

Consult your physician prior to using this or any product if you are pregnant, nursing, taking any medication or have a medical condition.

Brand IP Statement(s)

Copyright 2019 Patents: www.renewlife.com/patents

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.

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

See for yourself

Ultimate Flora Adult 50+ Probiotic by Renew Life label

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

Ultimate Flora Adult 50+ Probiotic 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 Ultimate Flora Adult 50+ Probiotic by Renew Life

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.

Adult 50+ Probiotic Culture Blend

93 mg per serving
  • › Bifido Probiotic Blend
  • › Lacto Probiotic Blend

Other (inactive) ingredients: Microcrystalline Cellulose, Hypromellose, Gellan Gum, Medium Chain Triglycerides. These complete the product’s ingredient list but are not active constituents.

Interaction report

Ultimate Flora Adult 50+ Probiotic by Renew Life Drug Interactions

Want to check YOUR meds against Ultimate Flora Adult 50+ Probiotic?

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

Individual Drug Interactions

The ingredients in Ultimate Flora Adult 50+ Probiotic interact with 182 drugs. Click any drug to see the details.

0 of the 2 ingredients in Ultimate Flora Adult 50+ Probiotic interact with drugs. Each result below shows which ingredient is responsible.

Each ingredient & the kinds of drugs it affects

For each ingredient in Ultimate Flora Adult 50+ Probiotic with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

The maker

Brand information

Manufacturer and brand details for Ultimate Flora Adult 50+ Probiotic, from the product label.

Renew Life

Name
Renew Life Formulas, Inc.
City
Palm Harbor
State
FL
ZipCode
34683
Phone Number
1-800-830-1800
Web Address
www.renewlife.com
Pharmacist Counseling Corner

Ultimate Flora Adult 50+ Probiotic by Renew Life: Common Questions

Does Ultimate Flora Adult 50+ Probiotic by Renew Life interact with any medications?
Yes. Based on its ingredients, Ultimate Flora Adult 50+ Probiotic 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?
Ultimate Flora Adult 50+ Probiotic 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.
Will this probiotic work if I'm on an antibiotic?
Not if you take them together. Antibiotics can kill the live bacteria in the probiotic, leaving fewer active organisms to work. Separate your doses — take your antibiotic at one time of day and the probiotic several hours later. Ask your pharmacist for the best timing for your specific antibiotic.
What are these bacteria supposed to do?
The Lactobacillus and Bifidobacterium strains in this blend are meant to support your gut health. The evidence shows they're possibly effective for irritable bowel syndrome, antibiotic-related diarrhea, Helicobacter pylori, and bacterial vaginosis.
Can this cause side effects?
Most people tolerate it well, but some experience mild gastrointestinal discomfort, bloating, gas, or diarrhea — these are uncommon. In rare cases, Lactobacillus has caused serious infections in people with weakened immune systems, though this is very unusual. Check with your doctor before starting if you're immunocompromised or critically ill.
Is this safe for me if I'm pregnant or breastfeeding?
We don't have safety data on file for these ingredients during pregnancy or breastfeeding. Talk with your doctor or pharmacist to decide whether it's right for you in those situations.
What's in the capsule besides the probiotics?
The capsule contains microcrystalline cellulose, hypromellose, gellan gum, and medium chain triglycerides — these are inactive ingredients used to hold the probiotics and help the capsule stay stable.

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

Not sure if Ultimate Flora Adult 50+ Probiotic is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

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.

Ultimate Flora Adult 50+ Probiotic label
Sources

Sources & How We Checked

Ultimate Flora Adult 50+ Probiotic'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 15 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 →

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

Keep exploring
Supplement interaction checker › Check any supplement or product against your medications Drug–drug interactions › Check two or more of your medications against each other Browse medications A–Z › Every drug we've checked against herbs & supplements NDC & pricing lookup › Find a drug’s NDCs, packaging and costs Ask a pharmacist › Free, personal answer from our licensed team