Rugby Calcium 600+D 400 IU
Brand: Rugby · Form: TABLET [E0155] On Market
Our assessment
The evidence shows that Rugby Calcium 600+D 400 IU is a straightforward supplement designed to support bone health. Our assessment is that this product provides a meaningful dose of calcium and vitamin D for most adults, but you must be careful about your total daily intake from all sources to avoid potential risks. Data on the specific brand is limited, so we rely on the well-established profile of these two ingredients.
How it works
Think of calcium as the building block for your bones, supporting bone mineralization and density. It also plays a key role in neuromuscular relaxation and nerve signaling [NIH ODS]. The added vitamin D helps your body absorb that calcium efficiently. Together, they work to maintain strong bones and proper muscle function.
Safety profile
The FDA has received a total of 592,059 adverse event reports for products in this category [FDA data]. For calcium specifically, high intakes may increase the risk of heart disease and prostate cancer. Very high levels can cause poor muscle tone, poor kidney function, constipation, nausea, weight loss, extreme tiredness, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS]. Also, calcium can reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].
Our recommendation
Take one tablet daily with food to maximize absorption. Do not exceed the recommended dose unless directed by your doctor, and be sure to account for calcium from other sources like food and multivitamins. If you take any of the medications listed above, separate your calcium supplement by at least 2 hours. Data not available for specific interactions with this exact brand [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Rugby |
|---|---|
| Serving Size | |
| Contents | 60.0 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