Rugby Citrus Calcium with Vitamin D
Brand: Rugby · Form: TABLET [E0155] On Market
Our assessment
The evidence shows that Rugby Citrus Calcium with Vitamin D is a standard combination supplement aimed at supporting bone health. Our assessment is that it can be a useful tool for meeting your calcium needs, but you must be precise about dosing and aware of significant safety considerations. The data confirms that calcium is essential for bone mineralization and neuromuscular relaxation [NIH ODS].
How it works
Think of calcium as the primary building block for your bones. It works by supporting bone density and mineral deposition, while also playing a key role in muscle relaxation and nerve signaling [NIH ODS]. The added vitamin D helps your body absorb this calcium more effectively, making the combination a practical choice for skeletal health.
Safety profile
The FDA has received a total of 592,059 adverse event reports for this product category [FDA data]. You need to be cautious with dosing. High calcium intakes might increase the risk of heart disease and prostate cancer, and 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 reviewing your total daily calcium intake from all sources — food and supplements — to avoid exceeding safe levels. Take this supplement with food for best absorption, and separate it by at least 2 hours from any medications listed as interacting [NIH ODS]. Data not available for specific dosing guidelines for this product; consult your healthcare provider for a personalized recommendation based on your diet and health status.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Rugby |
|---|---|
| Serving Size | |
| Contents | 100.0 Coated 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