NOW Iron 36 mg
Brand: NOW · Form: CAPSULE [E0159]
Our assessment
The evidence shows that calcium is essential for your bone health and nerve function, but it is not a supplement to take casually. Our assessment: you should only use calcium if you know you cannot meet your needs through diet, as the risks and interactions are significant. Data for the specific product "NOW Iron 36 mg" is not available; the data provided is for the ingredient calcium [NIH ODS].
How it works
Think of calcium as a structural builder and signal messenger. It supports bone mineralization and density, and it helps your muscles relax and your nerves send signals properly [NIH ODS].
Safety profile
The FDA received a total of 592,059 adverse event reports across all supplements, but data specific to calcium is not available in this dataset [FDA data]. High levels of calcium in your blood and urine can cause poor muscle tone, constipation, nausea, weight loss, extreme tiredness, frequent urination, and abnormal heart rhythms. Some research also suggests that high calcium intakes might increase the risk of heart disease and prostate cancer [NIH ODS].
Our recommendation
Focus on getting calcium from food first. If you do supplement, be aware that calcium can reduce the absorption of medications like bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS]. Do not exceed the RDA without a doctor’s guidance, and never take more than the label directs. Data not available for the specific product "NOW Iron 36 mg" [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