NOW Respiratory Care Probiotic
Brand: NOW · Form: CAPSULE [E0159]
Our assessment
The evidence shows that NOW Respiratory Care Probiotic is a product with very limited specific data. While it contains calcium, the available information does not provide clinical studies or efficacy data for this specific probiotic formulation. Our assessment is that you should approach this product with caution, as the research backing its respiratory health claims is not provided in the available data.
How it works
The only ingredient with mechanism data is calcium, which supports bone mineralization and neuromuscular relaxation [NIH ODS]. However, this product is marketed as a probiotic for respiratory care, and the data provided does not explain how the probiotic strains in this product would work to support respiratory health. The specific mechanism of action for this probiotic blend is data not available.
Safety profile
Based on the FDA adverse event database, there are 592,059 total reports across all supplements [FDA data]. For the calcium component, high levels can cause constipation, nausea, weight loss, extreme tiredness, and abnormal heart rhythms [NIH ODS]. Calcium can also reduce absorption of medications like bisphosphonates, tetracycline antibiotics, and levothyroxine [NIH ODS]. Specific side effect reports for this NOW product are data not available.
Our recommendation
We cannot recommend NOW Respiratory Care Probiotic based on the data provided. The available information lacks specific clinical studies, efficacy data, or a clear mechanism for respiratory support. If you are considering a probiotic, we advise you to look for products with published research in peer-reviewed journals supporting their specific health claims. For calcium needs, stick with established sources and consult your healthcare provider [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | NOW |
|---|---|
| Serving Size | |
| Contents | 60.0 Veg Capsule(s) |
| Market Status | Off Market |
How to Read This Label
Supplement labels contain several key sections regulated by the FDA:
- Serving Size — The recommended amount per dose. Always check this — some products require multiple capsules per serving.
- Amount Per Serving — Shows the quantity of each nutrient in the product, typically in IU (International Units), mg (milligrams), or mcg (micrograms).
- % Daily Value (%DV) — Indicates how much a nutrient in a serving contributes to a daily diet. 5% DV or less is low; 20% DV or more is high.
- Other Ingredients — Lists inactive ingredients like fillers, binders, and capsule materials (e.g., gelatin, cellulose, magnesium stearate).
- Suggested Use — The manufacturer's recommended directions for taking the supplement, including timing and dosage.
Source: FDA Dietary Supplement Labeling Guide