Product Label

Geri-Care Magnesium Oxide 400 mg

Brand: Geri-Care · Form: TABLET [E0155] On Market

Our assessment

The evidence shows that Geri-Care Magnesium Oxide 400 mg is a straightforward mineral supplement, but you should be aware that the active ingredient is calcium, not magnesium, based on the data provided. Our assessment: this product delivers 400 mg of calcium per serving, which is a substantial dose aimed at supporting bone health. For you, this means it is best used to help meet your daily calcium needs, but it should not be confused with a magnesium supplement [NIH ODS].

How it works

Think of calcium as a structural building block for your skeleton. It works through bone mineralization, which supports bone density and mineral deposition, helping keep your bones strong. Additionally, calcium supports neuromuscular relaxation, meaning it helps your muscles relax properly and aids in nerve signaling throughout your body [NIH ODS].

Safety profile

The FDA has received a total of 592,059 adverse event reports across all supplements, though specific data for this product is not available. For calcium specifically, you should be cautious: some research suggests that high calcium intakes might increase the risk of heart disease and prostate cancer. Very high levels of calcium in your 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]. Calcium can also reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].

Our recommendation

Our recommendation: if you are using this product to supplement your calcium intake, take it with food to improve absorption. Be sure to account for all calcium sources in your diet and other supplements to avoid exceeding the upper limit. If you take any of the listed medications, separate your dose by at least two hours. For specific dosing advice tailored to your health status, consult your healthcare provider [NIH ODS].

AI-assisted analysis. Data sourced from NIH DSLD.

Supplement Facts

BrandGeri-Care
Serving Size
Contents120.0 Coated Tablet(s)
Market StatusOn 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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