Nature's Way Calcium Bone Formula
Brand: Nature's Way · Form: TABLET [E0155] On Market
Our assessment
The evidence shows that calcium is a well-established mineral for bone health, but you need to be precise with dosing and aware of potential risks. For the Nature's Way Calcium Bone Formula, the core ingredient is calcium, and the data supports its role in bone mineralization [NIH ODS]. However, you should not assume that more is better, as high intakes carry specific risks [NIH ODS].
How it works
Think of calcium as the structural building block for your skeleton. It directly supports bone density and mineral deposition, essentially keeping your bones strong and dense. Additionally, it plays a role in neuromuscular relaxation, helping your muscles relax and your nerves signal properly after contraction [NIH ODS].
Safety profile
Safety is a key concern. The FDA has received a total of 592,059 adverse event reports across all supplement categories, though the specific count for this product is not isolated in that total [FDA data]. You should be aware that high calcium intakes might increase the risk of heart disease and prostate cancer. Very high levels can cause poor muscle tone, poor kidney function, low phosphate levels, constipation, nausea, weight loss, extreme tiredness, frequent urination, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS]. Additionally, calcium can reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].
Our recommendation
Start by assessing your total daily calcium intake from food and supplements, aiming for the general RDA of 1,000–1,200 mg from all sources. Do not exceed this without a doctor's guidance. Take this supplement with food, and separate it from any of the listed medications by at least 2 hours. If you have a history of kidney stones, heart disease, or take thyroid medication, consult your physician before using [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Nature's Way |
|---|---|
| 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