NOW Probiotic Defense
Brand: NOW · Form: CAPSULE [E0159]
Our assessment
The evidence shows that this product contains calcium, a mineral with well-documented roles in bone health. However, the data on calcium supplementation also includes important safety considerations you should be aware of. Based on the available information, we cannot evaluate the specific formula of NOW Probiotic Defense beyond its calcium content, as other ingredient data is not provided.
How it works
Calcium functions as a master regulator for your body’s structural and signaling systems. It supports bone density and mineral deposition through bone mineralization, and it is essential for neuromuscular relaxation, helping your muscles relax and your nerves signal properly [NIH ODS].
Safety profile
The FDA has received a total of 592,059 adverse event reports across all supplements, though the specific count for this product is not available. For calcium specifically, high intakes might increase the risk of heart disease and prostate cancer. High levels of calcium in your blood and urine can cause poor muscle tone, poor kidney function, low phosphate levels, constipation, nausea, weight loss, extreme tiredness, frequent need to urinate, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS]. Calcium can also reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].
Our recommendation
Because data on the full ingredient list and dosage of NOW Probiotic Defense is not available, we cannot make a specific recommendation for this product. If you are considering a calcium supplement, be aware of the potential side effects and drug interactions. Always consult your healthcare provider before starting a new supplement, especially if you take prescription medications [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | NOW |
|---|---|
| Serving Size | |
| Contents | 90.0 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