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Dietary supplement

Chest Congestion Formula 450 mg Ingredients & Drug Interactions

by TerraVita Premium Collection

Chest Congestion Formula 450 mg label
See full label image
Capsule Category: 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 Chest Congestion Formula 450 mg 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

Chest Congestion Formula 450 mg is a dietary supplement by TerraVita Premium Collection with 3 active ingredients. Its ingredients are commonly taken for eye irritation and redness, conjunctivitis (pink eye), eye strain.Based on those ingredients, 878 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Eucalyptus, Eyebright. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Chest Congestion Formula 450 mg by TerraVita Premium Collection

Ask about any prescription or over-the-counter medication and we check it for interactions with Chest Congestion Formula 450 mg by TerraVita Premium Collection — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Chest Congestion Formula 450 mg by TerraVita Premium Collection

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 3 active ingredients.
  • “Proprietary Blend” is a proprietary blend — the label gives one combined amount (450 mg) without saying how much of each component you get.

This formula contains 3 active ingredients in a proprietary blend: eyebright, eucalyptus, and hyssop. The product also contains gelatin and water as inactive ingredients (capsule materials).

The blend is formulated at 450 mg total per capsule to address chest congestion.

Does it work?

Not established
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
Not established

The graded evidence we hold for these ingredients covers different conditions than the ones this product is marketed for, so there's no established rating for its stated use.

Why this rating?
  • The label markets this product for: chest congestion and respiratory health support.
  • We looked for evidence on: Bronchitis, Cough, Common cold, Influenza, Pharyngitis, Respiratory tract infections — and 4 related terms.
  • The closest evidence on file: Eyebright is rated "Insufficient Reliable Evidence To Rate" for Common cold (Natural Medicines).
  • Also on file: Eyebright is rated "Insufficient Reliable Evidence To Rate" for Cough, Pharyngitis, Rhinosinusitis.
  • Also on file: Hyssop is rated "Insufficient Reliable Evidence To Rate" for Respiratory tract infections, Cough, Sore throat.

The evidence for all three active ingredients in this formula is limited. Eyebright carries insufficient reliable evidence to rate it for allergic rhinitis (hay fever), cancer, common cold, cough, sore throat, or rhinosinusitis — the respiratory conditions it's traditionally used for.

Eucalyptus and hyssop are similarly unproven; we hold insufficient evidence for either one across the respiratory and immune conditions they're often marketed to treat.

The evidence, ingredient by ingredient Eyebright Eucalyptus Hyssop

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 3 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 3 of 3.
  • General safety write-ups exist for 3 of 3.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Eyebright is likely safe in small amounts as a tea, but the safety data advises against it during pregnancy and breastfeeding. Eucalyptus is generally well tolerated in diluted form, but the undiluted oil is poisonous if swallowed and can cause serious toxicity — including central nervous system depression, seizures, coma, and death — at doses as low as 1 mL.

Diluted eucalyptus taken by mouth may cause diarrhea, nausea, or vomiting. Topically, it can cause burning, itching, redness, and stinging.

Eucalyptus is likely safe during pregnancy and lactation. Hyssop's essential oil can be toxic and trigger seizures; the herb itself is thought to stimulate the uterus and should be avoided in pregnancy, and there isn't enough safety data for breastfeeding.

Side effects, ingredient by ingredient Eyebright Eucalyptus Hyssop

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 3 matched ingredients can interact with medications — Eyebright, Eucalyptus.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: diabetes medications.
  • For scale: 879 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.

Check your medications if you take antidiabetes drugs (moderate risk of low blood sugar with both eyebright and eucalyptus), or if you take any drug metabolized by CYP1A2, CYP2C19, CYP2C9, or CYP3A4 enzymes — a broad group that includes many heart, blood pressure, and psychiatric medications (eucalyptus may slow their breakdown, raising levels). Also check if you take amphetamines or pentobarbital, where eucalyptus might reduce effectiveness.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFormula with limited ingredient disclosure with no established evidence rating for its marketed use. Moderate medication interactions have been identified, and safety information is well characterized.

This product is marketed for chest congestion, but the evidence doesn't establish that any of its ingredients work for that purpose. More importantly, eucalyptus may interact with a very large number of medications by slowing how your liver processes them, and both eucalyptus and eyebright could lower your blood sugar if you take diabetes drugs.

If you take any prescription medication — especially heart, blood pressure, blood thinner, or diabetes medication — check it against our interaction tool before starting this supplement.

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

Assessment coverage: 3 of 3 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Apr 21, 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 Chest Congestion Formula 450 mg, straight from the product label.

Brand TerraVita Premium Collection
Barcode (UPC) 064435120306
Net contents 100 Capsule(s)
Market status On market
Date entered into DSLD Apr 21, 2023
DSLD ID 289908
Product type Botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
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 Chest Congestion Formula 450 mg by TerraVita Premium Collection, 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
100
UPC/BARCODE
064435120306
IngredientAmount% DV
Proprietary Blend450 mg--
Eyebright0 NP--
Eucalyptus0 NP--
Hyssop0 NP--

Other ingredients: Gelatin, Water

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.
FDA Statement of Identity

A Dietary Supplement

Brand IP Statement(s)

Copyright 2004 TerraVita - Distributed by ZooScape LLC, All Rights Reserved.

Suggested/Recommended/Usage/Directions

Directions Take 1 capsule, 3 times daily, with meals.

General Statements

TerraVita is an exclusive line of premium natural products that use the finest, purest and most potent ingredients in the world. TerraVita's hallmarks are the highest possible standards of purity, potency, stability and freshness. All products are prepared with the greatest quality control, from raw materials through the entire manufacturing process, right up to the moment your product is sealed for freshness and shipped to you.

Please recycle!

FDA Disclaimer Statement

Statements not evaluated by FDA. Product not intended to diagnose, treat, cure, or prevent any disease.

Formula

- Eyebright, Eucalyptus and Hyssop

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

See for yourself

Chest Congestion Formula 450 mg by TerraVita Premium Collection label

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

Chest Congestion Formula 450 mg 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 Chest Congestion Formula 450 mg by TerraVita Premium Collection

These are the 3 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Capsule(s) Dosage formCapsule Servings per container100 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

450 mg per serving

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

Interaction report

Chest Congestion Formula 450 mg by TerraVita Premium Collection Drug Interactions

Want to check YOUR meds against Chest Congestion Formula 450 mg?

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
878Drugs
878 Moderate

Ingredients driving the most interactions

Eucalyptus 878
Eyebright 86

Individual Drug Interactions

The ingredients in Chest Congestion Formula 450 mg interact with 878 drugs. Click any drug to see the details.

2 of the 3 ingredients in Chest Congestion Formula 450 mg interact with drugs. Each result below shows which ingredient is responsible. Eucalyptus Eyebright

Each ingredient & the kinds of drugs it affects

For each ingredient in Chest Congestion Formula 450 mg 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.

Eucalyptus7 drug types · 878 drugs

Amphetamines

Theoretically, inhaling eucalyptol may reduce the effectiveness of amphetamines.
Animal research suggests that inhaling eucalyptol may reduce the levels of amphetamines in the blood.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, eucalyptus leaf might increase the risk of hypoglycemia.
Animal research suggests that eucalyptus leaf might have hypoglycemic activity, and might have additive effects when used with antidiabetes drugs.

Likelihood Possible Evidence D
Cytochrome P450 1A2 (Cyp1A2) Substrates

Theoretically, eucalyptus might increase the levels of CYP1A2 substrates.
In vitro research suggests that eucalyptus oil might inhibit CYP1A2, although this has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2C19 (Cyp2C19) Substrates

Theoretically, eucalyptus might increase the levels of CYP2C19 substrates.
In vitro research suggests that eucalyptus oil might inhibit CYP2C19, although this has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2C9 (Cyp2C9) Substrates

Theoretically, eucalyptus might increase the levels of CYP2C9 substrates.
In vitro research suggests that eucalyptus oil might inhibit CYP2C9, although this has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 3A4 (Cyp3A4) Substrates

Theoretically, eucalyptus might increase the levels of CYP3A4 substrates.
In vitro research suggests that eucalyptus oil might inhibit CYP3A4, although this has not been reported in humans.

Likelihood Possible Evidence D
Pentobarbital (Nembutal)

Theoretically, inhaling eucalyptol might reduce the effectiveness of pentobarbital.
Animal research suggests that inhaling eucalyptol reduces the level of pentobarbital that reaches the brain.

Likelihood Possible Evidence D
Eucalyptus full monograph & interactions

Eyebright1 drug type · 86 drugs

Antidiabetes Drugs

Theoretically, eyebright might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Animal research suggests that eyebright lowers blood glucose levels.

Likelihood Possible Evidence D
Eyebright full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Chest Congestion Formula 450 mg, from the product label.

TerraVita Premium Collection

See all TerraVita Premium Collection products
Name
TerraVita Fine Whole Herbs
City
Brampton
State
Ontario
Pharmacist Counseling Corner

Chest Congestion Formula 450 mg by TerraVita Premium Collection: Common Questions

Does Chest Congestion Formula 450 mg by TerraVita Premium Collection interact with any medications?
Yes. Based on its ingredients, Chest Congestion Formula 450 mg has a known interaction with 878 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Chest Congestion Formula 450 mg contains 3 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.
Is this product safe during pregnancy?
No. Hyssop is considered likely unsafe because it's traditionally thought to stimulate the uterus. Eyebright safety has not been established in pregnancy. Eucalyptus alone is rated likely safe, but because two of the three ingredients carry pregnancy concerns, this product is not recommended during pregnancy. Talk with your doctor or pharmacist about your specific situation.
Is this safe while breastfeeding?
The safety data advises against eyebright and hyssop while breastfeeding — there isn't enough information to know if they're safe. Eucalyptus is rated likely safe during lactation, but overall this product is best avoided. Check with your pharmacist or doctor first.
What does eyebright do in this formula?
Eyebright is traditionally used for respiratory conditions and eye health. The evidence we hold is insufficient to prove it works for cough, sore throat, common cold, or other respiratory issues this formula targets.
Will this help my cough or congestion?
We don't have reliable evidence that eyebright, eucalyptus, or hyssop effectively treat cough or chest congestion. All three carry insufficient evidence ratings for those uses.
What side effects might I experience?
Eyebright may cause confusion, headache, nausea, constipation, cough, shortness of breath, or nasal congestion. Eucalyptus can cause diarrhea, nausea, vomiting, or topical burning and itching. The essential oil form is especially risky and can cause serious toxicity and seizures if swallowed. Hyssop's essential oil also risks seizures.
Can I take this if I have diabetes?
Both eyebright and eucalyptus may lower blood sugar, so there's a theoretical risk of hypoglycemia if you take antidiabetes drugs. Talk with your pharmacist or doctor before starting this product.

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.

Chest Congestion Formula 450 mg label
Go deeper

The Full Monographs Behind Chest Congestion Formula 450 mg’s Ingredients

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

Herb & supplement monograph

Eyebright

Interacts with 86 drugs

Eyebright is a traditional herb long used for minor eye irritation, redness, and allergy symptoms, but high-quality human studies are very limited. There is not enough reliable evidence to c...

Read the full Eyebright monograph → Herb & supplement monograph

Eucalyptus

Interacts with 878 drugs

Eucalyptus is best known for its strong-smelling oil used in vapor rubs, inhalants, and lozenges to ease coughs and congestion. It may provide mild, short-term relief of cold symptoms, but t...

Read the full Eucalyptus monograph → Herb & supplement monograph

Hyssop

Hyssop is a Mediterranean mint-family herb traditionally used for coughs, colds, and digestive complaints, but solid human evidence for these uses is lacking. The dried herb in tea is genera...

Read the full Hyssop monograph →
Sources

Sources & How We Checked

Chest Congestion Formula 450 mg'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.

Eyebright 4 references
  1. Newall CA, Anderson LA, Philpson JD. Herbal Medicine: A Guide for Healthcare Professionals. London, UK: The Pharmaceutical Press, 1996.
  2. Wichtl MW. Herbal Drugs and Phytopharmaceuticals. Ed. N.M. Bisset. Stuttgart: Medpharm GmbH Scientific Publishers, 1994.
  3. Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.
  4. Porchezhian, E., Ansari, S. H., and Shreedharan, N. K. Antihyperglycemic activity of Euphrasia officinale leaves. Fitoterapia 2000;71(5):522-526. PubMed

See these in context on the Eyebright monograph →

Eucalyptus 23 references
  1. Electronic Code of Federal Regulations. Title 21. Part 182 -- Substances Generally Recognized As Safe. Available at: https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?CFRPart=182
  2. Unger M, Frank A. Simultaneous determination of the inhibitory potency of herbal extracts on the activity of six major cytochrome P450 enzymes using liquid chromatography/mass spectrometry and automated online extraction. Rapid Commun Mass Spectrom 2004;1 PubMed
  3. De Vincenzi M, Silano M, De Vincenzi A, et al. Constituents of aromatic plants: eucalyptol. Fitoterapia 2002;73:269-75. PubMed
  4. Gray AM, Flatt PR. Antihyperglycemic actions of Eucalyptus globulus (Eucalyptus) are associated with pancreatic and extra-pancreatic effects in mice. J Nutr 1998;128:2319-23. PubMed
  5. Whitman BW, Ghazizadeh H. Eucalyptus oil: therapeutic and toxic aspects of pharmacology in humans and animals. J Paediatr Child Health 1994;30:190-1. PubMed
  6. Barker SC and Altman PM. An ex vivo, assessor blind, randomised, parallel group, comparative efficacy trial of the ovicidal activity of three pediculicides after a single application--melaleuca oil and lavender oil, eucalyptus oil and lemon tea tree oil,
  7. Vilaplana, J. and Romaguera, C. Allergic contact dermatitis due to eucalyptol in an anti-inflammatory cream. Contact Dermatitis 2000;43(2):118.
  8. Juergens, U. R. [Reducing the need for cortisone. Does eucalyptus oil work in asthma? (interview by Brigitte Moreano]. MMW.Fortschr Med 3-29-2001;143(13):14.
  9. Tascini, C., Ferranti, S., Gemignani, G., Messina, F., and Menichetti, F. Clinical microbiological case: fever and headache in a heavy consumer of eucalyptus extract. Clin Microbiol.Infect. 2002;8(7):437, 445-437, 446. PubMed
  10. Galdi, E., Perfetti, L., Calcagno, G., Marcotulli, M. C., and Moscato, G. Exacerbation of asthma related to Eucalyptus pollens and to herb infusion containing Eucalyptus. Monaldi Arch.Chest Dis. 2003;59(3):220-221.
  11. Spoerke, D. G., Vandenberg, S. A., Smolinske, S. C., Kulig, K., and Rumack, B. H. Eucalyptus oil: 14 cases of exposure. Vet Hum.Toxicol 1989;31(2):166-168.
  12. Jori, A., Bianchetti, A., Prestini, P. E., and Gerattini, S. Effect of eucalyptol (1,8-cineole) on the metabolism of other drugs in rats and in man. Eur.J Pharmacol 1970;9(3):362-366. PubMed
  13. Tibballs, J. Clinical effects and management of eucalyptus oil ingestion in infants and young children. Med J Aust 8-21-1995;163(4):177-180. PubMed
  14. Webb, N. J. and Pitt, W. R. Eucalyptus oil poisoning in childhood: 41 cases in south-east Queensland. J Paediatr.Child Health 1993;29(5):368-371. PubMed
  15. Gyldenløve M, Menné T, Thyssen JP. Eucalyptus contact allergy. Contact Dermatitis. 2014;71(5):303-304. PubMed
  16. Higgins C, Palmer A, Nixon R. Eucalyptus oil: contact allergy and safety. Contact Dermatitis. 2015;72(5):344-346. PubMed
  17. de Groot AC, Schmidt E. Eucalyptus oil and tea tree oil. Contact Dermatitis. 2015;73(6):381-386. PubMed
  18. Greive KA, Barnes TM. The efficacy of Australian essential oils for the treatment of head lice infestation in children: A randomised controlled trial. Australas J Dermatol. 2018;59(2):e99-e105. PubMed
  19. Paulsen E, Thormann H, Vestergaard L. Eucalyptus species as a cause of airborne allergic contact dermatitis. Contact Dermatitis. 2018;78(4):301-303.
  20. Mathew T, John SK, Kamath V, et al. Essential oil related seizures (EORS): A multi-center prospective study on essential oils and seizures in adults. Epilepsy Res. 2021;173:106626. PubMed
  21. Dudipala SC, Mandapuram P, Ch LK. Eucalyptus Oil-Induced Seizures in Children: Case Reports and Review of the Literature. J Neurosci Rural Pract 2021;12(1):112-115. PubMed
  22. Panda PK, Sharawat IK, Panda P, Dawman L, Kasinathan A. Clinico-laboratory characteristics and outcome of patients with eucalyptus oil-induced/provoked seizures: A case series and systematic review of the published patients. Trop Doct 2021;51(4):518-522. PubMed
  23. Sai Chandar D, Prashanthi M, Laxman Kumar C, Amith Kumar C. Eucalyptus Oil-Induced Seizures in Children: A Single-Center Prospective Study. Cureus 2021;13(3):e14109. PubMed

See these in context on the Eucalyptus monograph →

Hyssop 1 reference
  1. McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.

See these in context on the Hyssop 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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