Oyster Shell Calcium with Vitamin D 500 mg + D
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Vitamin D (as Cholecalciferol) | 5 mcg | 25% |
| Calcium (as Oyster) | 500 mg | 38% |
Bioavailability Excellent
Absorption Rating
- Vitamin D (as Cholecalciferol) Good
- Calcium (as Oyster) Good
Other Ingredients Very Poor
Fillers & Additives
- Croscarmellose Sodium
- Hypromellose
- Microcrystalline Cellulose
- Titanium Dioxide High
- Soy Polysaccharides
- Sodium Lauryl Sulfate Low
- Talc High
- Triacetin
- Mineral Oil Medium
- Starch
- Sucrose
- FD&C Yellow #5 Lake High
- FD&C Blue #1 Lake High
- Sodium Ascorbate
- Triglycerides
- Silica
- Tocopherols
Efficacy Fair
Dosage Analysis
- Vitamin D (as Cholecalciferol) 5 mcg Under-dosed
- Calcium (as Oyster) 500 mg Effective
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Vitamin D (as Cholecalciferol) | 5 mcg | 25% |
| Calcium (as Oyster) | 500 mg | 38% |
Other Ingredients
Hypromellose Safe
Titanium Dioxide Caution
Soy Polysaccharides Unknown
Sodium Lauryl Sulfate Caution
Talc Avoid
Triacetin Generally_safe
Mineral Oil Caution
Starch Generally_safe
Sucrose Generally_safe
FD&C Yellow #5 Lake Unknown
FD&C Blue #1 Lake Unknown
Sodium Ascorbate Safe
Triglycerides Generally_safe
Silica Safe
Tocopherols Safe
Price Comparison
Price History
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Transparency
1 claim
Is Major Oyster Shell Calcium with Vitamin D 500 mg + D a good supplement?
Major Oyster Shell Calcium with Vitamin D 500 mg + D received a product quality score of 62/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 2 active ingredients Of the 17 inactive ingredients, 6 are rated safe and 3 are flagged for review.
What are the ingredients in Major Oyster Shell Calcium with Vitamin D 500 mg + D?
Major Oyster Shell Calcium with Vitamin D 500 mg + D contains 2 active ingredients: Vitamin D (as Cholecalciferol) (5 mcg), Calcium (as Oyster) (500 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is Major Oyster Shell Calcium with Vitamin D 500 mg + D safe to take?
Major Oyster Shell Calcium with Vitamin D 500 mg + D has been analyzed for ingredient safety across all its components. Of 17 inactive ingredients, 6 are rated safe. 3 ingredients are flagged for review: Titanium Dioxide, Sodium Lauryl Sulfate, Mineral Oil. '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.
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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