Swanson Premium Brand Liquid Calcium & Magnesium
Brand: Swanson Premium Brand · Form: SOFTGEL CAPSULE [E0161]
Our assessment
The evidence shows that a calcium and magnesium supplement like this one can be a practical way to support your bone health and muscle function. However, the data available for this specific product is limited. We can analyze the known benefits and risks of its main ingredients, calcium and magnesium, but we cannot make specific claims about this Swanson brand blend without more data.
How it works
Think of calcium as a building block for your skeleton. It is essential for bone mineralization, helping to deposit minerals into your bone matrix to maintain density and strength [NIH ODS]. It also plays a key role in neuromuscular relaxation, supporting proper muscle relaxation and nerve signaling [NIH ODS]. Magnesium works alongside calcium, though specific mechanism data for magnesium in this formulation is not provided.
Safety profile
Data not available for this specific product's side effects. However, for the ingredient calcium, some research suggests that very high intakes might increase the risk of heart disease and prostate cancer [NIH ODS]. 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]. The FDA has received a total of 592,059 adverse event reports across all supplements, but this number is not specific to this product [FDA data]. Calcium can also reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].
Our recommendation
Given the lack of specific data for this Swanson product, we recommend you proceed with caution. If you choose to use it, follow the label directions exactly. Be aware of the potential for high calcium intake to interfere with medications you may be taking [NIH ODS]. For the most personalized advice, consult with your doctor or pharmacist, especially if you have a history of kidney problems, heart disease, or take prescription medications. They can help you determine if this supplement is right for you and at what dose.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Swanson Premium Brand |
|---|---|
| Serving Size | |
| Contents | 100.0 Softgel(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