Product Label

PureFormulas Magnesium Citrate

Brand: PureFormulas · Form: CAPSULE [E0159]

Our assessment

The evidence shows that calcium is a critical mineral for bone health, but it is important to understand the specific risks and interactions. Based on the data, this supplement provides calcium, which supports bone mineralization and neuromuscular relaxation [NIH ODS]. However, we must be honest about the limitations: the data does not provide a specific dose or purity profile for this product, so our assessment focuses on the active ingredient, calcium.

How it works

Think of calcium as a structural builder and a nerve signal regulator. It helps your bones maintain density through bone mineralization, and it supports muscle relaxation and nerve signaling [NIH ODS]. For you, this means calcium is essential for maintaining strong bones and ensuring your muscles and nerves function properly.

Safety profile

FDA received 592,059 total adverse event reports across all supplements, though specific report counts for this product are not available. Side effects from high calcium intake can include constipation, nausea, weight loss, extreme tiredness, frequent need to urinate, and abnormal heart rhythms [NIH ODS]. High levels also increase the risk of heart disease and prostate cancer in some research [NIH ODS]. Additionally, calcium can reduce the absorption of medications such as bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].

Our recommendation

We recommend you take calcium only if you have a confirmed need, such as a low dietary intake or a healthcare provider's advice. Be aware of the potential side effects and medication interactions. Always take calcium supplements with food and separate them from other medications by at least two hours [NIH ODS]. Start with a low dose and monitor for any adverse effects. Data not available on the optimal dose for this specific product, so consult your healthcare provider before starting.

AI-assisted analysis. Data sourced from NIH DSLD.

Supplement Facts

BrandPureFormulas
Serving Size
Contents90.0 Vegetarian Capsule(s)
Market StatusOff 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

Original Label

View Full DSLD Label (PDF)

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