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Respiratory Support & Defense

product on market Tablet or Pill Nature's Secret Safety: 90/100
90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 8% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

This formula contains N-Acetyl-L-Cysteine and botanical extracts like Mullein and Marshmallow, which are researched for their mucolytic and soothing properties in the respiratory tract. While some ingredients have moderate evidence for supporting airway clearance, overall clinical data for this specific combination is limited. The profile maintains a high safety score.

AI-generated summary based on research evidence. Not medical advice.

Alerts

Safety Alerts

Contains proprietary blend — exact ingredient amounts not disclosed

Label

Product Label

Label for Respiratory Support & Defense
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Tablet(s)
Serving Size
30
Servings
Other Combinations
Product Type
8%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

N-Acetyl-L-Cysteine
300 mg
Market median: 500.0mg (193 products) 7 studies — no high-quality reviews
Marshmallow extract
100 mg
Mullein (Verbascum thapsus) powder
100 mg
Skullcap powder
80 mg
50 mg
Market median: 500.0mg (9 products) 7 studies — no high-quality reviews
Watercress powder
50 mg
Market median: 500.0mg (497 products) 135 studies (A:0, B:40)
Onion powder
30 mg
Pleurisy root powder
30 mg
Turnip powder
30 mg
Thyme, Powder
10 mg
Proprietary Blend
102 mg

Other Ingredients

Calcium Carbonate Microcrystalline Cellulose Dicalcium Phosphate Stearic Acid Magnesium Stearate Silicon Dioxide Gum Arabic Croscarmellose Sodium Sodium Carboxymethylcellulose Dextrose Soy Lecithin Sodium Citrate Dextrin
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: (Adult) Take two (2) tablets twice daily with a full glass of water.

Warnings & Precautions

Usage Warnings: Do not use if safety seal is broken.

Check with your doctor before using this product if you are using medication or have any medical conditions. Do not use if you may become pregnant, are pregnant or nursing.

Do not exceed recommended daily intake.

Not intended for use by persons under 18. Keep out of reach of children.

Warning: (State of California Prop 65) This product contains a chemical known to the State of California to cause birth defects or other reproductive harm.

Contains: Soy

Formulation Notes

It supplies a robust blend of 14 botanicals including Fenugreek and Marshmallow. Plus it features NAC – a powerful amino acid to help maintain clear bronchial airways and boost levels of glutathione (a major antioxidant for the respiratory tract and lungs).

Contains: Soy

No artificial colors or preservatives.

Additional Information

Your lungs draw more than 20,000 breaths of air into the body everyday. Yet most of us take for granted how important respiration is to overall health and well-being.

This product can be taken everyday for health maintenance or as needed for targeted support.

Store in a cool, dry place.

3140-BOX-NS070560-V13-09/15

Take control of your health Experience the sensation of whole-body wellness... Detoxify ~ Cleanse ~ Rebuild

The conventional approach to health sees the body as a set of separate parts, each needing their own separate treatments. Take a look at the way our medical system is organized - from cardiologists to dermatologists, we have a doctor for nearly every body part. But nature has a wellkept secret… there is no separation between any of our systems. They are all intricately connected in a brilliant dance only nature could orchestrate.

We understand, for example, that sluggish digestion can lead to low energy levels and shouldn’t always be supported with caffeinated energy tablets. Our approach focuses on the origins of imbalance, not the signs of imbalance.

This is Nature’s Secret, total body wholeness and wellness.

Available Exclusively in Fine Health Food Stores Everywhere

Healthy lungs and bronchial tract Specially formulated to support & maintain healthy respiratory function Soothes the bronchial tract & combats environmental factors Targets congestion to promote clear lungs & free breathing

Questions: Call Consumer Affairs 1-800-297-3273 Weekdays 8:00 AM to 5:00 PM (PST)

join our Wellness Club and receive tips on how to improve your health, please visit us at: www.NaturesSecret.com/wellness1

Q Quality Tested

Metadata

Product Details

UPC / SKU7 10363 25560 2
DSLD Entry Date2017-01-25
Product TypeOther Combinations
FormTablet or Pill
DSLD ID69402
Data Updated2026-04-11
Research

Research Evidence

14
Research Sources
50
Avg Quality
8
Rct
4
Meta Analysis
2
Clinical Trial
B The Effect of Fenugreek in Type 2 Diabetes and Prediabetes: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
Meta Analysis International journal of molecular sciences 2023 PubMed DOI
B A randomized controlled clinical trial evaluating the effect of Trigonella foenum-graecum (fenugreek) versus glibenclamide in patients with diabetes
Rct African health sciences 2019 PubMed DOI
C The effect of fenugreek seed supplementation on serum irisin levels, blood pressure, and liver and kidney function in patients with type 2 diabetes mellitus: A parallel randomized clinical trial
Rct Complementary therapies in medicine 2020 PubMed DOI
C Effect of saffron and fenugreek on lowering blood glucose: A systematic review with meta-analysis
Meta Analysis Phytotherapy research : PTR 2023 PubMed DOI
C Effect of fenugreek on hyperglycaemia and hyperlipidemia in diabetes and prediabetes: A meta-analysis
Meta Analysis Journal of ethnopharmacology 2016 PubMed DOI
C Effect of fenugreek extract supplement on testosterone levels in male: A meta-analysis of clinical trials
Meta Analysis Phytotherapy research : PTR 2020 PubMed DOI
C Investigating the Effectiveness of Fenugreek on the Quantity of Breast Milk and the Level of Prolactin in Mothers of Preterm Newborns: A Randomized Controlled Clinical Trial
Rct Current drug research reviews 2025 PubMed DOI
C Clinical observation on trigonella foenum-graecum L. total saponins in combination with sulfonylureas in the treatment of type 2 diabetes mellitus
Rct Chinese journal of integrative medicine 2008 PubMed
C Impact of Fenugreek Supplementation on Obesity and Hyperglycemia Among Diabetic Adults in Saudi Arabia
Clinical Trial ClinicalTrials.gov 2025
C Fenugreek bread: a treatment for diabetes mellitus
Rct Journal of medicinal food 2009 PubMed DOI
View all evidence for Fenugreek →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.