Interactions on record — worth a quick check against your medications. Based on 2 of 6 ingredients. Check your meds →
Dietary supplement

Flora Symmetry Ingredients & Drug Interactions

by Vitanica

Flora Symmetry label
See full label image
Capsule Category: Non-nutrient/non-botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 9, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Flora Symmetry 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

Flora Symmetry is a dietary supplement by Vitanica with 6 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 breve. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Flora Symmetry by Vitanica

Ask about any prescription or over-the-counter medication and we check it for interactions with Flora Symmetry by Vitanica — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Flora Symmetry by Vitanica

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 30, 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 6 active ingredients.

Flora Symmetry contains 6 active probiotic ingredients: Lactobacillus acidophilus, Lactobacillus salivarius, Lactobacillus plantarum, Lactobacillus rhamnosus, Bifidobacterium breve, and an ingredient listed as HOWARU. These are live beneficial bacteria meant to support gut health.

The capsule also contains inactive ingredients (microcrystalline cellulose, hydroxypropyl methylcellulose, water, L-leucine, and silica) that help deliver the probiotics.

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: promote healthy intestinal flora and bowel function.
  • We looked for evidence on: Antibiotic-associated diarrhea, Bacterial vaginosis, Colic, Clostridioides difficile infection, 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: Lactobacillus Acidophilus is rated "Insufficient Reliable Evidence To Rate" for Constipation, Inflammatory bowel disease (IBD), Lactose intolerance, Necrotizing enterocolitis (NEC).

The evidence for these probiotics is mixed depending on what you're taking them for. L. acidophilus is possibly effective for irritable bowel syndrome, Helicobacter pylori infection, antibiotic-associated diarrhea, and bacterial vaginosis, though the evidence isn't conclusive.

For B. breve, we don't have enough reliable data yet to know whether it works for hay fever or atopic disease, and early data suggest it's possibly ineffective for age-related cognitive decline and sepsis. For the other three Lactobacillus strains in this product, effectiveness ratings aren't on file.

The evidence, ingredient by ingredient Lactobacillus Acidophilus Bifidobacterium Breve

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 L. acidophilus and B. breve are generally well tolerated in healthy adults and children. However, there are important cautions: live probiotic organisms can theoretically cause serious infections (bacteremia, sepsis, abscesses, meningitis) in people with weakened immunity or serious underlying illness — B. breve has caused bacteremia in a small number of critically ill infants and preterm infants.

Gastrointestinal side effects like bloating, flatulence, abdominal discomfort, and diarrhea are uncommon but possible when taking probiotics. Before starting, check with your doctor or pharmacist, especially if you're very ill, immunocompromised, or a parent of a preterm infant.

L. acidophilus is rated Possibly Safe in pregnancy, though lactation data aren't on file for it; for B. breve, safety data in pregnancy and lactation are limited, so talk with your healthcare provider about whether it's right for you if you're pregnant or nursing.

Side effects, ingredient by ingredient Lactobacillus Acidophilus Bifidobacterium Breve

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 Breve.
  • 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 severity): taking them at the same time as this probiotic might reduce the probiotic's effectiveness since antibiotics can kill the live organisms. Space out your doses — your doctor or pharmacist can help you figure out the right timing.

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 blend may be helpful if you're dealing with irritable bowel syndrome, antibiotic-associated diarrhea, or certain infections — though the evidence is modest. The main thing to watch for is timing: if you're on antibiotics, you'll need to space out doses with this product so the antibiotics don't kill off the beneficial organisms.

If you're very ill or have a weakened immune system, check with your doctor first. Before you start, run your medications through the interaction checker below or ask your pharmacist.

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

Assessment coverage: 2 of 6 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Feb 22, 2024.

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 Flora Symmetry, straight from the product label.

Brand Vitanica
Barcode (UPC) 708118023170
Net contents 60 Vegetarian Capsule(s)
Market status On market
Date entered into DSLD Feb 22, 2024
DSLD ID 302790
Product type Non-nutrient/non-botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Vegetarian, Adult (18 - 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 Flora Symmetry by Vitanica, 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
708118023170
IngredientAmount% DV
Lactobacillus acidophilus0 NP--
Lactobacillus salivarius0 NP--
Lactobacillus plantarum0 NP--
Lactobacillus rhamnosus0 NP--
Bifidobacterium breve0 NP--
HOWARU0 NP--

Other ingredients: Microcrystalline Cellulose, Hydroxypropyl Methylcellulose, Water, L-Leucine, Silica

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

Formulated by Dr. Tori Hudson, a naturopathic physician specializing in women's natural health.

Formulated by Dr. Tori Hudson

Formulation

Flora Symmetry contains probiotic strains specifically researched to promote restoration of healthy intestinal flora, thereby promoting healthy bowel functions.

This product contains no: preservatives, binders, artificial colorings or flavorings, lactose, wheat, gluten, soybeans, milk derivatives, eggs, peanuts, tree nuts, fish or shellfish.

Actual size

Intestinal probiotic support

Flora Symmetry is suitable for vegetarians

Suggested/Recommended/Usage/Directions

Suggested use: One (1) capsule per day, orally, to promote healthy intestinal flora. More may be taken as directed by your healthcare practitioner.

Formula

Also suitable for men.

Probiotic 10 bil/cap

Precautions

Do not administer through gastronomy tubes. Tamper resistant: please do not use if safety seal is broken or missing.

Storage

Keep refrigerated or store in a cool, dry place below 70 degrees F.

FDA Statement of Identity

Dietary Supplement

FDA Disclaimer Statement

This statement has not been evaluated by the FDA. 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

Flora Symmetry by Vitanica label

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

Flora Symmetry 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 Flora Symmetry by Vitanica

These are the 6 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.

Lactobacillus acidophilus

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...

Lactobacillus acidophilus monograph & interactions

Lactobacillus salivarius

0 NP per serving

Lactobacillus plantarum

0 NP per serving

Lactobacillus rhamnosus

0 NP per serving

Bifidobacterium breve

Interacts with
182 drugs
0 NP per serving

Bifidobacterium breve is a 'friendly' gut bacterium taken as a probiotic, most often to support digestion and balance the gut microbiome. Some studies...

Bifidobacterium breve monograph & interactions

HOWARU

0 NP per serving Form: Bifidobacterium animalis lactis

Other (inactive) ingredients: Microcrystalline Cellulose, Hydroxypropyl Methylcellulose, Water, L-Leucine, Silica. These complete the product’s ingredient list but are not active constituents.

Interaction report

Flora Symmetry by Vitanica Drug Interactions

Want to check YOUR meds against Flora Symmetry?

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 breve 182

Individual Drug Interactions

The ingredients in Flora Symmetry interact with 182 drugs. Click any drug to see the details.

2 of the 6 ingredients in Flora Symmetry interact with drugs. Each result below shows which ingredient is responsible. Lactobacillus acidophilus Bifidobacterium breve

Each ingredient & the kinds of drugs it affects

For each ingredient in Flora Symmetry 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 breve1 drug type · 182 drugs

Antibiotic Drugs

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

Likelihood Probable Evidence D
Bifidobacterium breve full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Flora Symmetry, from the product label.

Vitanica

See all Vitanica products
Name
Vitanica
Street Address
12401 SW Leveton Dr.
City
Tualatin
State
OR
ZipCode
97062
Web Address
www.vitanica.com
Pharmacist Counseling Corner

Flora Symmetry by Vitanica: Common Questions

Does Flora Symmetry by Vitanica interact with any medications?
Yes. Based on its ingredients, Flora Symmetry 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?
Flora Symmetry contains 6 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 antibiotics?
Probably not as well if you take them together, since the antibiotic can kill off the beneficial bacteria in the product. You'll want to talk with your pharmacist about timing — many people separate doses by a few hours or take the probiotic after finishing the antibiotic course.
What is this supposed to help with?
The Lactobacillus acidophilus in here is possibly effective for irritable bowel syndrome, antibiotic-associated diarrhea, certain infections like Helicobacter pylori and bacterial vaginosis. The other strains and Bifidobacterium breve don't have strong evidence backing them for most conditions yet.
Can I take this while pregnant?
The Lactobacillus acidophilus is rated Possibly Safe in pregnancy, but safety data are limited for the other ingredients, including Bifidobacterium breve. Talk with your doctor or midwife before starting — they can give you personalized guidance based on your situation.
Are there any side effects I should know about?
Most people tolerate it well, but some experience bloating, flatulence, abdominal discomfort, or diarrhea — these are uncommon. In rare cases, especially in very ill or immunocompromised people, live probiotics can cause serious infections, so check with your doctor first if you have a weakened immune system.
Is this safe if I'm very ill or have a weak immune system?
Probiotics carry a small but real risk of infection in people who are critically ill or immunocompromised. Talk with your doctor before taking this product if that applies to you.
Why can't you check all the ingredients for drug interactions?
We don't hold monograph data for Lactobacillus salivarius, Lactobacillus plantarum, Lactobacillus rhamnosus, or the ingredient listed as HOWARU, so we can't tell you whether they interact with medications. Use the search tool on this page for your specific drugs, and ask your pharmacist.

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.

Flora Symmetry label
Go deeper

The Full Monographs Behind Flora Symmetry’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 Breve

Interacts with 182 drugs

Bifidobacterium breve is a 'friendly' gut bacterium taken as a probiotic, most often to support digestion and balance the gut microbiome. Some studies suggest possible benefits for certain d...

Read the full Bifidobacterium Breve monograph →
Sources

Sources & How We Checked

Flora Symmetry'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 24 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 Breve 9 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. 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.
  4. Ohishi A, Takahashi S, Ito Y, et al. Bifidobacterium septicemia associated with postoperative probiotic therapy in a neonate with omphalocele. J Pediatr. 2010;156(4):679-81. PubMed
  5. Sakurai Y, Watanabe T, Miura Y, et al. Clinical and bacteriologic characteristics of six cases of Bifidobacterium breve bacteremia due to probiotic administration in the neonatal intensive care unit. Pediatr Infect Dis J 2022;41(1):62-65. PubMed
  6. 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
  7. Wakabayashi Y, Nakayama S, Yamamoto A, et al. First case of necrotizing fasciitis and bacteremia caused by Bifidobacteriumbreve. Anaerobe 2022;76:102613.
  8. Takeda Y, Ota K, Kondo A, et al. A case of necrotizing fasciitis caused by Bifidobacterium breve. IDCases 2022;31:e01667. PubMed
  9. Suwantarat N, Romagnoli M, Wakefield T, Carroll KC. Ventriculoperitoneal shunt infection caused by Bifidobacterium breve. Anaerobe 2014;28:1-3. PubMed

See these in context on the Bifidobacterium Breve 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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