1 Product identity

Ingredient risk

Contains restricted ingredients

Super Magnesium 400 mg

Name: Super Magnesium 400 mg
Brand: GNC

BrandGNC→Mineral Other (e.g. tea bag) 13 ingredients 1 banned 1 caution DSLD #224737

Net contents: 90 Caplet(s)

Target: Adults and Children 4 years and above

DSLD entry: 2020-06-24

2 Ingredients (13)

IngredientGroupSafety

MagnesiumMagnesiumUse with Caution

Microcrystalline CelluloseCellulose—

HydroxypropylcelluloseHypromellose—

Hydroxypropyl MethylcelluloseHypromellose—

Croscarmellose SodiumCroscarmellose Sodium—

Magnesium StearateMagnesium stearateUse with Caution

CrospovidoneCrospovidone—

Titanium DioxideTitanium DioxideBanned in ≥1 country

Silicon DioxideSiliconGenerally Safe

Vegetable AcetoglyceridesGlycerides—

Polyethylene GlycolPolyethylene glycol—

Polysorbate 80Polysorbate—

Carnauba waxCarnauba wax—

Ingredient amounts require the full DSLD label. View full label at NIH DSLD →

⛔ Contains an ingredient banned in ≥1 country

Titanium Dioxide 🇫🇷 🇪🇺 — France banned TiO₂ in food from January 2020, first EU country.

⚠️ Use with caution — restricted in some markets

Magnesium — Severe deficiency (<0.50 mmol/L) causes secondary hypocalcemia and hypokalemia that will not correct until magnesium is repleted first [1].

3 Safety cross-reference

Magnesium — Use with Caution

⚠ Diarrhea (especially oxide)

⚠ Accumulates in renal impairment

Sodium — Limited Evidence

⚠ Hypertension

⚠ Fluid retention

Titanium Dioxide — Banned in ≥1 country

⚠ EFSA: can no longer be considered safe as food additive (2021)

⚠ Genotoxicity concern (nanoparticles)

Silicon — Generally Safe

⚠ Very low toxicity

4 Label claims

• Nutrient

• All Other

• Structure/Function

5 Data source

DSLD ID224737

Full labelView at NIH DSLD →

SourceOffice of Dietary Supplements, NIH

Market statusOn market

Entry date2020-06-24

6 More from GNC

View GNC Safety Scorecard → 42 products

Activated Charcoal 520 mg Biotin 5000 mcg Biotin 5000 mcg Biotin 5000 mcg Berry Biotin 600 mcg Calcium 600 mg

7 Cite this page

Vancouver

Pkhakadze G. Super Magnesium 400 mg — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Jun 24]. Available from: https://supplement.ge/products/super-magnesium-400-mg-224737/

CC BY 4.0. Product data from NIH DSLD; safety analysis by SupplementIndex.

Analyzed by SupplementIndex

PHIG · Editor-in-Chief: Prof. Giorgi Pkhakadze, MD, MPH, PhD

Product data sourced from the NIH Dietary Supplement Label Database (DSLD). Safety cross-referencing by SupplementIndex. This analysis is for informational purposes only. For corrections: info@accreditation.ge.
Publisher: PHIG