Rugby Calcium 600-D
Brand: Rugby · Form: TABLET [E0155]
Our assessment
The evidence shows that Rugby Calcium 600-D provides a combination of calcium and vitamin D to support bone health. Calcium is essential for bone mineralization and neuromuscular function [NIH ODS]. However, you should be aware that high calcium intakes might increase the risk of heart disease and prostate cancer [NIH ODS]. This supplement is a reasonable option if you have a confirmed need for additional calcium.
How it works
Think of calcium as a structural building block — it helps deposit minerals into your bone matrix to maintain density and strength. It also supports nerve signaling and muscle relaxation [NIH ODS]. The vitamin D in this product helps your body absorb the calcium more efficiently.
Safety profile
FDA received 592,059 total adverse event reports for this product category. High levels of calcium in your 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]. Calcium can also reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].
Our recommendation
Start by evaluating your total calcium intake from food and other supplements. Do not exceed the Tolerable Upper Intake Level unless directed by your healthcare provider. Take this supplement with food to improve absorption, and separate it from any medications listed above by at least two hours [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Rugby |
|---|---|
| Serving Size | |
| Contents | 60.0 Tablet(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