BreathiZen Reviews: Company Publishes Graded Research Summary and Label Notice for Its Oral Spray

BreathiZen, Summary grades 10 published sources on mullein, ginger and lemon by evidence type and confirms the current label as the formula of record

LAKELAND, Florida, November 4, 2026 – BreathiZen today published a graded research summary of its oral herbal spray, confirming the current Supplement Facts panel and detailing the three botanicals: mullein leaf, ginger root, and organic lemon. The summary sorts 10 published studies and regulatory reviews into four evidence categories and finds that ginger has the largest clinical record of the three, while published support for mullein rests mainly on traditional-use assessments and laboratory work.

The label notice responds to web pages and advertisements that have described the BreathiZen formula with ingredients that do not appear on the current panel. The company said these listings have been a recurring source of confusion in BreathiZen reviews and in questions sent to its support team, and that the panel printed on the bottle is the only authoritative record of what a serving contains.

Official Website: forbreathizen.com

“The questions we get usually come down to two things: what is actually in the bottle, and what the research on those ingredients really says,” said Kevin Shaw, Media Relations Manager at BreathiZen. “This summary answers both in one place, with each study labeled by type, so readers can see which findings come from people, which come from a laboratory and which say nothing about a product like ours.”

Key Findings of the Research Summary

The summary reports four main findings:

• Ginger root is the most studied of the three botanicals, with a 2020 systematic review covering 109 randomized controlled trials.

• Mullein has a long record of traditional use and a European regulatory assessment, but human clinical trials are lacking.

• Lemon extract is a common food ingredient, and the BreathiZen panel does not list a measured vitamin C amount.

• None of the 10 references is a clinical trial of mullein leaf extract, and none studies the combination of ingredients in the BreathiZen spray.

What BreathiZen Spray Is

BreathiZen is a liquid dietary supplement for adults that is sprayed into the mouth. It is not an inhaler, a nasal spray or a chest rub, and the liquid is not meant to be breathed in. Each 2-fluid-ounce (60 mL) bottle provides 100 servings. The label directs users to shake the bottle and spray four pumps, about 0.60 mL, into the mouth or onto the tongue once a day. The company suggests taking it in the morning, before the first meal.

Because BreathiZen is sold as a dietary supplement, it falls under a different federal framework from medicines. The U.S. Food and Drug Administration does not approve dietary supplements before they go on sale, and supplement labels may not claim to diagnose, treat, cure or prevent any disease. The BreathiZen label carries the standard FDA statement to that effect.

How to Read the BreathiZen Label

The Supplement Facts panel lists a single “Proprietary Blend” of 154 mg per four-spray serving. It names three botanicals, in descending order by weight: mullein (Verbascum thapsus) leaf extract 10:1, ginger (Zingiber officinale) root extract and organic lemon (Citrus limon) extract. The other ingredients are purified water, glycerin, natural flavors, citric acid, potassium sorbate and sodium benzoate.

Two details on the panel shape how the research summary should be read.

• The first is the “10:1” ratio beside mullein. It means the leaf was concentrated during extraction so that one part of finished extract corresponds to about 10 parts of dried leaf. The ratio describes how the extract was made, not how much mullein is in a serving.

• The second is the proprietary blend format. Federal labeling rules allow a company to list the total weight of a blend without disclosing the weight of each ingredient, provided the ingredients appear in descending order. The panel therefore shows that mullein is the largest of the three botanicals by weight, but it does not show the exact amount of any single one. For that reason, the summary does not compare doses used in published studies with a serving of the spray.

Label Notice: The Panel Is the Formula of Record

As part of the release, BreathiZen confirmed that the formula consists only of the ingredients listed on the current panel. Some third-party web pages and advertisements have listed ingredients that are not in the product. The company asks consumers, reviewers and retailers to check any description of BreathiZen against the label on the bottle, and to treat the printed panel as the authoritative record if the two differ.

Mullein: Long Traditional Use, Few Human Trials

Mullein is a tall, woolly-leafed plant native to Europe and Asia that now grows widely across North America. Its leaves and flowers have a long history in European and Asian herbal traditions.

The most detailed regulatory review comes from the European Medicines Agency. Its Committee on Herbal Medicinal Products assessed mullein flower and concluded that, on the basis of long-standing use, mullein flower medicines can be used for relief of sore throat associated with dry cough and cold. That conclusion falls under the European “traditional use” category, which means the committee found evidence of safe use over at least 30 years and judged the effect plausible. The committee also recorded that clinical studies on mullein flower medicines are lacking.

The summary notes that this review covers mullein flower, while BreathiZen uses mullein leaf extract, and that it applies to licensed herbal medicines in the European Union rather than to dietary supplements in the United States.

Academic reviews describe a similar picture of rich tradition and limited human data. A 2006 review by Tatli and Akdemir in the Fabad Journal of Pharmaceutical Sciences catalogued traditional uses of Verbascum species across many cultures, including as an expectorant and a demulcent, along with laboratory findings on extracts. A 2005 review by Turker and Gürel in Phytotherapy Research examined research on common mullein and noted growing commercial interest in the plant. A 2022 review led by Ashutosh Gupta, also in Phytotherapy Research, described the plant’s flavonoids, iridoid glycosides, saponins and other constituents, and summarized experimental work on its biological properties.

Most of that experimental work involved cell cultures, isolated tissues or animals. The University of Michigan Health library states that human clinical trials are lacking to confirm the use of mullein for any condition. The summary places that statement alongside the reviews so readers can see both the volume of laboratory interest and the current gap in human research.

Ginger: The Most Studied of the Three

Ginger root has a far larger clinical record than mullein. In 2020, a systematic review in the journal Nutrients by Anh and colleagues examined 109 randomized controlled trials of ginger. It found consistent support for some uses, most notably morning sickness in pregnancy, and more mixed results for others. The authors reported that 43 of the 109 trials met their criteria for high-quality evidence, and they called for better-designed studies.

The strongest findings in that review do not concern breathing. The summary also cites a 2013 laboratory study from Columbia University, published in the American Journal of Respiratory Cell and Molecular Biology, which examined how ginger and several of its compounds, including 6-gingerol and 6-shogaol, affected isolated airway smooth muscle tissue. That study was conducted on tissue samples rather than people, and it used purified compounds rather than a blended oral spray.

The National Center for Complementary and Integrative Health, part of the National Institutes of Health, describes ginger as generally well tolerated in the amounts eaten as food and in typical supplement amounts. It advises people who take medicines to talk with a health care provider before using ginger supplements.

Lemon: A Familiar Food Ingredient

Lemon is one of the most widely eaten citrus fruits, and lemon extracts are common food flavorings. A 2020 review by Klimek-Szczykutowicz and colleagues in the journal Plants described the chemistry of lemon fruit, juice and essential oil, including flavonoids, limonoids and other phenolic compounds, and their uses in the food, pharmaceutical and cosmetic industries.

Because the BreathiZen panel does not list a vitamin C amount, the summary advises readers not to treat the lemon extract in the spray as a measured source of vitamin C.

The Other Ingredients on the Label

The non-botanical ingredients serve as the base, flavor and preservative system for a water-based liquid. Glycerin gives the liquid body and a mildly sweet taste. Citric acid adjusts acidity. Potassium sorbate and sodium benzoate are preservatives found in many beverages, syrups and sauces. The FDA lists glycerin, citric acid, potassium sorbate and sodium benzoate as generally recognized as safe for use in food when used in line with good manufacturing practice.

How the Summary Grades Each Source

The grading system is the central feature of the summary. Each of the 10 references carries one of four labels, so a reader who sees the word “study” next to an ingredient can tell what kind of evidence it represents.

Traditional-use assessments, such as the European Medicines Agency review of mullein flower, record how long and how safely a plant has been used. They do not test whether it works, and the agency says so in its own conclusions.

Laboratory studies examine extracts or purified compounds on cells or isolated tissue. They show how a compound behaves under controlled conditions, which is different from what happens when a person takes a product by mouth.

Animal studies add a living system but differ from human use in dose, delivery and biology. The summary lists them separately from evidence about people.

Randomized controlled trials and systematic reviews of those trials are the strongest category the summary cites. Even there, the summary notes trial quality. The 2020 ginger review, for example, judged fewer than half of the trials it examined to be high quality.

“A reader who learns to ask what kind of study they are looking at can apply that to anything they read about supplements, including what they read about us,” Shaw said.

Every study in the summary examined an individual ingredient, usually in a different form, amount or population from a four-spray serving of BreathiZen. BreathiZen has not published clinical research on the finished spray, and the summary does not include customer testimonials or claims about what the product does for any health condition.

“We chose to publish a reading list with notes on each source instead of a list of benefits,” Shaw said. “People can read the research for themselves and decide whether the product fits their routine.”

BreathiZen Reviews and Complaints: What Customers Raise Most

Alongside the summary, the company outlined the themes that appear most often in BreathiZen spray reviews posted online in recent months, and the steps it recommends for each.

The most frequent complaint concerns the spray mechanism rather than the liquid. Some reviewers have described pumps that stopped dispensing after several uses or residue forming near the nozzle. The label directs users to shake the bottle well before each use and to store it in a cool, dry place away from heat, light and humidity. The company advises against moving the liquid into a different container, because the serving size on the label is based on the original metered pump.

A second theme is confusion about the formula, which the company traces to web pages listing ingredients not found on the current label. The label notice published today is intended to address that directly.

A third theme is difficulty reaching support. Customers with a question or problem can email the support address printed on the bottle, contact@customercs.com, with their order details and the lot number from the bottle.

Reviews also include positive accounts and comments from customers who said it was too early to judge. The company does not cite individual reviews in the summary and encourages readers to look at a range of recent reviews, including lower-rated ones, rather than relying on any single account.

Who Should Check With a Doctor First

The BreathiZen label asks anyone who is pregnant or nursing, anyone under 18 and anyone with a known medical condition to speak with a physician before use, and not to exceed the suggested serving. People who take prescription medicines should also check with a doctor or pharmacist first. The NIH Office of Dietary Supplements advises telling every health care provider about any supplement in use, including before a scheduled procedure.

Anyone with ongoing breathing or chest concerns should see a health care professional.

Frequently Asked Questions

1. What is BreathiZen spray? BreathiZen, sometimes searched as “breathi zen,” is an oral herbal spray dietary supplement. Four pumps are sprayed into the mouth once a day.

2. Is BreathiZen a nasal spray or an inhaler? No. It is a liquid supplement taken by mouth. It is not sprayed into the nose and is not meant to be inhaled.

3. What ingredients are in BreathiZen? The label lists a 154 mg proprietary blend of mullein leaf extract 10:1, ginger root extract and organic lemon extract, in a base of purified water and glycerin with natural flavors, citric acid, potassium sorbate and sodium benzoate.

4. Is BreathiZen approved by the FDA? The FDA does not approve dietary supplements before they go on sale. BreathiZen is sold as a dietary supplement and carries the standard FDA disclaimer.

5. Is there clinical research on BreathiZen itself? No. The research summary covers studies on individual ingredients. The company has not published a clinical study on the finished spray.

6. How long does one bottle last? At four pumps a day, a 60 mL bottle provides 100 servings.

7. Where can I read the research summary? The summary is posted on the official BreathiZen website. The full reference list also appears below.

References

• European Medicines Agency, Committee on Herbal Medicinal Products. Verbasci flos (mullein flower): summary for the public and EU herbal monograph.

• Tatli II, Akdemir ZS. Traditional uses and biological activities of Verbascum species. Fabad Journal of Pharmaceutical Sciences. 2006;31(2):85-96.

• Turker AU, Gürel E. Common mullein (Verbascum thapsus L.): recent advances in research. Phytotherapy Research. 2005;19(9):733-739. doi:10.1002/ptr.1653

• Gupta A, Atkinson AN, Pandey AK, Bishayee A. Health-promoting and disease-mitigating potential of Verbascum thapsus L. (common mullein): a review. Phytotherapy Research. 2022.

• University of Michigan Health. Mullein. Health Library.

• Anh NH, Kim SJ, Long NP, et al. Ginger on human health: a comprehensive systematic review of 109 randomized controlled trials. Nutrients. 2020;12(1):157. doi:10.3390/nu12010157

• Townsend EA, Siviski ME, Zhang Y, et al. Effects of ginger and its constituents on airway smooth muscle relaxation and calcium regulation. American Journal of Respiratory Cell and Molecular Biology. 2013;48(2):157-163. doi:10.1165/rcmb.2012-0231OC

• National Center for Complementary and Integrative Health. Ginger: Usefulness and Safety.

• Klimek-Szczykutowicz M, Szopa A, Ekiert H. Citrus limon (lemon) phenomenon: a review of the chemistry, pharmacological properties, applications in the modern pharmaceutical, food, and cosmetics industries, and biotechnological studies. Plants. 2020;9(1):119. doi:10.3390/plants9010119

• NIH Office of Dietary Supplements. Dietary Supplements: What You Need to Know.

• None of these sources mentions, reviews or endorses BreathiZen.

About BreathiZen

BreathiZen is a dietary supplement company based in Lakeland, Florida, that produces an oral herbal spray for adults. Its formula combines mullein leaf, ginger root and organic lemon extracts in a water and glycerin base, and the company says the spray is made in the USA with globally sourced ingredients. BreathiZen publishes its full label details and the research behind its ingredients so that consumers can compare product descriptions against the panel and judge the evidence for themselves.

Media Contact

Kevin Shaw, Media Relations Manager, BreathiZen

Email: contact@customercs.com

Phone: +1 (507) 448-8190

Website: forbreathizen.com

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. Individual experiences vary. Consult a qualified health care professional before starting any dietary supplement.