Geri-Care Oyster Shell Calcium 500 mg supplement bottle
Geri-Care

Oyster Shell Calcium 500 mg

What We Researched
1 active ingredient analyzed · 22 inactive ingredients decoded · 4 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
75
Product Score Fair
73
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium 500 mg 38%
Bioavailability Excellent

Absorption Rating

  • Calcium Good
Other Ingredients Very Poor

Fillers & Additives

  • Calcium Carbonate
  • Cellulose
  • Maltodextrin
  • Croscarmellose Sodium
  • Hypromellose
  • Titanium Dioxide High
  • Talc High
  • FD&C Blue #1 Lake High
  • Acacia
  • Magnesium Stearate
  • Polydextrose
  • FD&C Yellow #5 Lake High
  • Triglycerides
  • Silica
  • Carnauba Wax
  • Soy Polysaccharides
  • Triacetin
  • Stearic Acid
  • Sodium Lauryl Sulfate Low
  • Mineral Oil Medium
  • Riboflavin
  • FD&C Yellow #6 Lake Low
Efficacy Excellent

Dosage Analysis

  • Calcium 500 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calcium 500 mg 38%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Calcium Carbonate Safe

Acts as a filler and provides supplemental calcium.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Titanium Dioxide Caution

Used as a whitening agent in tablet coatings and capsules.

Talc Avoid

It is used to improve powder flow and prevent clumping.

FD&C Blue #1 Lake Unknown
Acacia Generally_safe

It is used as a binder or thickener.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Polydextrose Generally_safe

It is used as a filler, to add bulk, and as a prebiotic fiber.

FD&C Yellow #5 Lake Unknown
Triglycerides Generally_safe

They may be used as a carrier or to improve absorption of fat-soluble ingredients.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Carnauba Wax Safe

Provides a glossy, protective coating on tablets.

Soy Polysaccharides Unknown
Triacetin Generally_safe

It is used as a solvent or humectant.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Sodium Lauryl Sulfate Caution

It is used to help mix oil and water-based ingredients.

Mineral Oil Caution

It is used as a lubricant or emollient.

Riboflavin Safe

It is used as a source of vitamin B2.

FD&C Yellow #6 Lake Caution

It is used to add a yellow color to supplements.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$14$13$12$11$10 $11.66
Target

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Geri-Care

Founded 1989 · Lakewood, NJ, United States · 84 products · gericarepharm.com

Certifications

4 certifications
Fda Gmp Inspections Verified Source
Gluten Free Gfco Verified Source
Non Gmo Project Verified Source
Nsf Gmp Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source

Violation History

2 incidents
Recall Geri-Care Brand over-the-counter acetaminophen and aspirin2022-01-27Source
Lawsuit Breach of contract related to the distribution of pharmaceutical products.2020Source
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Frequently Asked Questions
Is Geri-Care Oyster Shell Calcium 500 mg a good supplement?

Geri-Care Oyster Shell Calcium 500 mg received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 1 active ingredients with 100 servings per container. Of the 22 inactive ingredients, 9 are rated safe and 4 are flagged for review. The manufacturer, Geri-Care, holds a brand trust score of 73/100 with 4 verified certifications including Fda Gmp Inspections, Gluten Free Gfco, Non Gmo Project, Nsf Gmp.

What are the ingredients in Geri-Care Oyster Shell Calcium 500 mg?

Geri-Care Oyster Shell Calcium 500 mg contains 1 active ingredients: Calcium (500 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Geri-Care Oyster Shell Calcium 500 mg safe to take?

Geri-Care Oyster Shell Calcium 500 mg has been analyzed for ingredient safety across all its components. Of 22 inactive ingredients, 9 are rated safe. 4 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.

Is Geri-Care a trustworthy supplement brand?

Geri-Care receives a brand trust score of 73/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1989 and headquartered in Lakewood, NJ, United States, the company offers 84 products in their lineup. They hold 4 verified certifications including Fda Gmp Inspections, Gluten Free Gfco, Non Gmo Project, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Geri-Care has 2 historical regulatory incidents 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.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.