Nature's Way Zinc Chelate
Brand: Nature's Way · Form: CAPSULE [E0159]
Our assessment
The evidence shows that calcium is a foundational mineral for bone health, but it is important to approach supplementation with care. Our assessment is that while calcium supports bone density and nerve signaling, you should be aware of potential risks associated with high intakes, which are detailed in the safety section below [NIH ODS].
How it works
Think of calcium as a structural builder and signal messenger. It works through two primary mechanisms: first, it supports bone mineralization, helping to deposit minerals into your skeleton for strength and density. Second, it aids neuromuscular relaxation, which allows your muscles to relax and your nerves to send signals properly after they fire [NIH ODS].
Safety profile
Data not available for specific adverse events tied to this product. However, the FDA has received a total of 592,059 adverse event reports for all dietary supplements. For calcium specifically, some research suggests that high intakes might increase the risk of heart disease and prostate cancer. High levels of calcium 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] [FDA data].
Our recommendation
We recommend you prioritize getting calcium from food sources first. If you do supplement, be aware that calcium can reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS]. You should take calcium supplements at a separate time from these medications. Always discuss your total calcium intake, including from food, with your healthcare provider to avoid exceeding safe levels [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Nature's Way |
|---|---|
| Serving Size | |
| Contents | 100.0 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