Magnesium 250 mg
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Magnesium (as Magnesium Gluconate, Magnesium Oxide) | 250 mg | 60% |
Bioavailability Very Poor
Absorption Rating
- Magnesium (as Magnesium Gluconate, Magnesium Oxide) Poor
Other Ingredients Very Poor
Fillers & Additives
- Microcrystalline Cellulose
- Hydroxypropyl Methylcellulose
- Polyethylene Glycol Low
- Talc High
- Magnesium Stearate
- Silicon Dioxide
- Titanium Dioxide High
- Vegetable Acetoglycerides
- Polysorbate 80 Medium
Efficacy Excellent
Dosage Analysis
- Magnesium (as Magnesium Gluconate, Magnesium Oxide) 250 mg Effective
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Magnesium (as Magnesium Gluconate, Magnesium Oxide) | 250 mg | 60% |
Other Ingredients
Polyethylene Glycol Caution
Talc Avoid
Magnesium Stearate Safe
Silicon Dioxide Safe
Titanium Dioxide Caution
Vegetable Acetoglycerides Unknown
Polysorbate 80 Caution
Price Comparison
Price History
Tracked across major retailers. Updated periodically.
Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.
Certifications
5 certifications
Is GNC Magnesium 250 mg a good supplement?
GNC Magnesium 250 mg received a product quality score of 50/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 1 active ingredients Of the 9 inactive ingredients, 4 are rated safe and 3 are flagged for review. The manufacturer, GNC, holds a brand trust score of 88/100 with 5 verified certifications including Informed Sport, Consumerlab, Fda Gmp Inspections, Usda Organic.
What are the ingredients in GNC Magnesium 250 mg?
GNC Magnesium 250 mg contains 1 active ingredients: Magnesium (as Magnesium Gluconate, Magnesium Oxide) (250 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is GNC Magnesium 250 mg safe to take?
GNC Magnesium 250 mg has been analyzed for ingredient safety across all its components. Of 9 inactive ingredients, 4 are rated safe. 3 ingredients are flagged for review: Polyethylene Glycol, Titanium Dioxide, Polysorbate 80. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.
Is GNC a trustworthy supplement brand?
GNC receives a brand trust score of 88/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1935 and headquartered in Pittsburgh, Pennsylvania, USA, the company offers 200 products in their lineup. They hold 5 verified certifications including Informed Sport, Consumerlab, Fda Gmp Inspections, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.
What is magnesium good for?
Magnesium Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding magnesium good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.
How much magnesium per day?
The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.
What is zinc good for?
Zinc Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding zinc good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.
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