ShopRite Magnesium 250 mg
Brand: ShopRite · Form: SUPPLEMENT FORM, OTHER [E0172]
Our assessment
The evidence shows that this product's primary ingredient is calcium, not magnesium. The ShopRite Magnesium 250 mg label is misleading based on the ingredient data provided. Our assessment: you should be aware that the active ingredient in this supplement is calcium, which plays a specific role in bone health and nerve function [NIH ODS].
How it works
Think of calcium as a structural builder — it supports bone mineralization and density, and also helps with neuromuscular relaxation and nerve signaling [NIH ODS]. This is different from magnesium, which typically supports muscle function and energy production. The data provided does not include information on magnesium's mechanism, so we cannot confirm how much magnesium is actually in this product.
Safety profile
FDA has received 592,059 total adverse event reports for this product category. Specific side effects reported with high calcium intake include constipation, nausea, weight loss, extreme tiredness, and abnormal heart rhythms [FDA data] [NIH ODS]. High calcium levels can also lead to poor muscle tone, poor kidney function, and a high risk of death from heart disease [NIH ODS]. Data not available for magnesium-specific side effects from this product.
Our recommendation
We recommend you verify the actual ingredient list on the label. If you are seeking magnesium supplementation, this product may not deliver what you expect based on the name. If you are looking for calcium, check with your doctor about your daily needs, as high intakes may increase risk of heart disease and prostate cancer [NIH ODS]. Also note that calcium can reduce absorption of medications like bisphosphonates, tetracycline antibiotics, and levothyroxine [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | ShopRite |
|---|---|
| Serving Size | |
| Contents | 100.0 Coated 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