Isotonix Magnesium
Brand: Isotonix · Form: POWDER [E0162]
Our assessment
The evidence shows that this product is marketed as a source of calcium, a mineral essential for bone health and muscle function [NIH ODS]. However, data for this specific "Isotonix Magnesium" formulation is limited, and the label information is not available for review. Our assessment is that you should approach this supplement with caution, primarily because the exact ingredients and dosages are unknown.
How it works
Calcium, the primary ingredient identified in the data, plays a critical role in bone mineralization, helping to build and maintain strong bones through mineral deposition [NIH ODS]. It also supports neuromuscular relaxation, meaning it helps your muscles relax and your nerves send signals properly [NIH ODS]. Without knowing the exact magnesium content, it is difficult to assess how this specific product would function in your body.
Safety profile
The FDA has received a total of 592,059 adverse event reports across all dietary supplements, though specific report counts for this product are not available [FDA data]. Based on the calcium data, high intakes can lead to serious side effects including constipation, nausea, weight loss, extreme tiredness, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS]. Additionally, calcium can interfere with the absorption of medications like bisphosphonates, tetracycline antibiotics, and levothyroxine [NIH ODS].
Our recommendation
We cannot recommend this product due to missing label data and the absence of specific safety information for this formulation. If you are seeking to supplement calcium or magnesium, choose a product with a clear, verifiable label. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have a history of kidney or heart conditions [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Isotonix |
|---|---|
| Serving Size | |
| Contents | 10.6 Oz(s) 300.0 Gram(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