Bluebonnet Magnesium Potassium plus Bromelain

Our assessment

The evidence shows that this product combines three distinct ingredients: calcium, magnesium, and bromelain. While each has known roles, you should be aware that the data available is incomplete for this specific combination. Our assessment is based on the calcium component, as that is the only ingredient with detailed data provided. For magnesium and bromelain, data on their specific mechanisms, safety, and interactions from this source is not available.

How it works

Calcium is essential for bone mineralization, supporting bone density and mineral deposition. It also plays a key role in neuromuscular relaxation, helping your muscles relax and your nerves signal properly [NIH ODS]. For the specific roles of magnesium and bromelain in this product, data is not available from the provided sources.

Safety profile

The FDA has received a total of 592,059 adverse event reports for products in their database, though this number is not specific to this combination product. For the calcium component specifically, taking high levels can lead to serious side effects including constipation, nausea, weight loss, extreme tiredness, frequent need to urinate, abnormal heart rhythms, and a high risk of death from heart disease. High calcium intakes might also increase the risk of heart disease and prostate cancer [NIH ODS]. Data on side effects specific to the magnesium and bromelain ingredients in this product is not available from the provided FDA data.

Our recommendation

Because the provided data focuses almost entirely on calcium, and because calcium can reduce the absorption of medications such as bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS], you should be very cautious. Before using this supplement, consult your doctor or pharmacist to review all medications you are taking. We cannot confidently recommend this product without complete safety and efficacy data for all three ingredients. For bone health, a standard calcium supplement with vitamin D may be a better-documented choice [NIH ODS].

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