Sundown Naturals Magnesium 500 mg
Brand: Sundown Naturals · Form: SUPPLEMENT FORM, OTHER [E0172]
Our assessment
The evidence shows that Sundown Naturals Magnesium 500 mg is a straightforward supplement, but you need to be careful with dosing. The data we have is for calcium, not magnesium, so we must state clearly: specific data for this product’s ingredient is not available. Based on general mineral supplement principles, you should always follow the label instructions and consult your doctor before starting.
How it works
While we lack specific data for magnesium, the mechanism for a related mineral, calcium, involves bone mineralization and neuromuscular relaxation [NIH ODS]. Think of it as supporting your body’s structural and signaling systems. For magnesium specifically, data is not available from the provided sources.
Safety profile
The FDA received 592,059 total adverse event reports across all supplements, but specific reports for Sundown Naturals Magnesium 500 mg are not available in the data provided. For related minerals, high intakes of calcium can cause side effects including nausea, constipation, and abnormal heart rhythms [NIH ODS]. You should be aware that calcium supplements can also reduce the absorption of medications like tetracycline antibiotics and levothyroxine [NIH ODS].
Our recommendation
Given the lack of specific data for this product, our recommendation is to treat this supplement with caution. Start with the lowest effective dose on the label and monitor how you feel. Because calcium interactions are documented, check with your pharmacist or doctor if you take any prescription medications [NIH ODS]. Data not available for this specific product’s long-term safety profile.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Sundown Naturals |
|---|---|
| Serving Size | |
| Contents | 180.0 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