Natural Factors Zinc Citrate 50 mg
Brand: Natural Factors · Form: TABLET [E0155] On Market
Our assessment
The evidence shows that calcium is a essential mineral for bone health, but the specific product you asked about — Natural Factors Zinc Citrate 50 mg — contains zinc, not calcium. Data for calcium is provided separately. For zinc, specific data on its mechanism, dosage, and safety for this product is not available in the provided data. We can only assess the calcium data provided, which indicates it supports bone density and mineralization [NIH ODS].
How it works
Think of calcium as a structural builder for your bones and a signaling molecule for your nerves and muscles. It supports bone density and mineral deposition, and it helps with neuromuscular relaxation and nerve signaling [NIH ODS]. For zinc, the specific mechanism is not described in the data provided.
Safety profile
FDA received 592,059 adverse event reports total across all supplements. For calcium specifically, high intakes might increase the risk of heart disease and prostate cancer. High levels in the 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]. Side effects for the specific zinc product are not available in the provided data.
Our recommendation
Because the data provided does not contain specific information about zinc citrate 50 mg — including its mechanism, dosage, or side effects — we cannot make a confident recommendation for this product. For calcium, if you are considering supplementation, be aware it can reduce absorption of medications like bisphosphonates, tetracycline antibiotics, and levothyroxine [NIH ODS]. For this specific zinc product, data not available. Consult your healthcare provider for personalized advice.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Natural Factors |
|---|---|
| Serving Size | |
| Contents | 180.0 Tablet(s) |
| Market Status | On 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