Buffered Magnesium Oxide, 180 mg, 250 Capsules
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Vitamin C (as Ascorbic Acid) | 20 mg | 22% |
| Magnesium (from Magnesium Oxide) | 180 mg | 43% |
Bioavailability Poor
Absorption Rating
- Vitamin C (as Ascorbic Acid) Fair
- Magnesium (from Magnesium Oxide) Poor
Other Ingredients Excellent
Fillers & Additives
- Vegetarian capsules (hypromellose and water)
- Silicon Dioxide
Efficacy Very Poor
Dosage Analysis
- Vitamin C (as Ascorbic Acid) 20 mg Under-dosed
- Magnesium (from Magnesium Oxide) 180 mg Under-dosed
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Vitamin C (as Ascorbic Acid) | 20 mg | 22% |
| Magnesium (from Magnesium Oxide) | 180 mg | 43% |
Other Ingredients
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.
Is Kirkman Labs Buffered Magnesium Oxide, 180 mg a good supplement?
Kirkman Labs Buffered Magnesium Oxide, 180 mg, 250 Capsules received a product quality score of 56/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 2 active ingredients with 250 servings per container. Of the 2 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, Kirkman Labs, holds a brand trust score of 81/100 with 1 verified certifications including Fda Gmp Inspections.
What are the ingredients in Kirkman Labs Buffered Magnesium Oxide, 180 mg?
Kirkman Labs Buffered Magnesium Oxide, 180 mg contains 2 active ingredients: Vitamin C (as Ascorbic Acid) (20 mg), Magnesium (from Magnesium Oxide) (180 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is Kirkman Labs Buffered Magnesium Oxide, 180 mg safe to take?
Kirkman Labs Buffered Magnesium Oxide, 180 mg, 250 Capsules has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.
Is Kirkman Labs a trustworthy supplement brand?
Kirkman Labs receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1949 and headquartered in Lake Oswego, Oregon, U.S., the company offers 74 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Kirkman Labs has 1 historical regulatory incident on record, which are factored into the trust score.
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.
Scan Any Supplement Instantly
Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.