Swanson Calcium Citrate Plus Magnesium
Brand: Swanson · Form: CAPSULE [E0159] On Market
Our assessment
The evidence shows that Swanson Calcium Citrate Plus Magnesium provides calcium, a mineral essential for bone health. Based on the data, calcium supports bone mineralization and neuromuscular relaxation [NIH ODS]. However, you should be aware of important safety considerations before starting this supplement.
How it works
Think of calcium as a structural building block for your bones and a signal regulator for your muscles and nerves. It helps deposit minerals into bone tissue to maintain density and supports proper muscle relaxation and nerve signaling [NIH ODS]. This dual role makes it critical for your overall skeletal and neuromuscular function.
Safety profile
FDA received 592,059 total adverse event reports for this product category [FDA data]. The data indicates that high calcium 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]. Additionally, calcium can reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS]. Data not available for specific side effect report counts for this exact product.
Our recommendation
Start by evaluating your total calcium intake from food and other supplements. Be cautious with dosing to avoid exceeding safe levels. If you take any medications listed above, separate calcium intake by at least two hours. Consult your healthcare provider before use, especially if you have kidney issues or a history of heart disease [NIH ODS] [FDA data].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Swanson |
|---|---|
| Serving Size | |
| Contents | 150.0 Capsule(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