Bluebonnet Calcium Citrate plus Magnesium
Brand: Bluebonnet · Form: SUPPLEMENT FORM, OTHER [E0172]
Our assessment
The evidence shows that Bluebonnet Calcium Citrate plus Magnesium is a supplement intended to support bone health through calcium and magnesium. However, we must be clear about the specific data available. The primary ingredient, calcium, plays a role in bone mineralization and neuromuscular relaxation [NIH ODS]. This product can be a useful tool for meeting your calcium needs, but it requires careful consideration of dosage and potential interactions.
How it works
Think of calcium as a structural builder for your bones. It supports bone density and mineral deposition, which is critical for maintaining strong skeletal structure. Additionally, calcium supports muscle relaxation and nerve signaling, helping your body function smoothly [NIH ODS]. The product also contains magnesium, though specific data on magnesium's mechanism from the provided sources is not available.
Safety profile
The FDA has received a total of 592,059 adverse event reports related to calcium-containing supplements, though this number is not specific to this product alone [FDA data]. For calcium specifically, high intakes might increase the risk of heart disease and prostate cancer [NIH ODS]. Very 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]. You should be aware that calcium can reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].
Our recommendation
Our assessment is that this supplement can be a reasonable choice if you have a confirmed need for calcium and magnesium. Start with a low dose and take it with food to improve absorption. Because of the significant medication interactions, take this supplement at least two hours apart from any prescription medications. Most importantly, discuss your total calcium intake from food and supplements with your doctor, as high intakes carry serious risks [NIH ODS]. A blood test to check your calcium and magnesium levels is the best way to determine if this supplement is right for you.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Bluebonnet |
|---|---|
| Serving Size | |
| Contents | 90.0 Caplet(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