Olympian Labs Green Calcium with Vitamin K2/D3, 100 Tablets supplement bottle
Olympian Labs

Green Calcium with Vitamin K2/D3, 100 Tablets

What We Researched
5 active ingredients analyzed · 9 inactive ingredients decoded · 2 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
52
Product Score Poor
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium Gluconate 1,000 mg
Vitamin D3 400 IU
Vitamin K2 60 mcg
Vitamin C 100 mg
Magnesium Citrate 150 mg
Bioavailability Good

Absorption Rating

  • Calcium Gluconate Poor
  • Vitamin D3 Good
  • Vitamin K2 Good
  • Vitamin C Fair
  • Magnesium Citrate Good
Other Ingredients Poor

Fillers & Additives

  • Calcium Carbonate
  • Microcrystalline Cellulose (Plant Fiber)
  • Stearic acid (vegetable grade)
  • Silicon Dioxide
  • Magnesium Stearate
  • Polyvinyl Alcohol
  • Talc High
  • Polyethylene Glycol Low
  • Titanium Dioxide High
Efficacy Fair

Dosage Analysis

  • Calcium Gluconate 1,000 mg Effective
  • Vitamin D3 400 IU Under-dosed
  • Vitamin K2 60 mcg Under-dosed
  • Vitamin C 100 mg Effective
  • Magnesium Citrate 150 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calcium Gluconate 1,000 mg
Vitamin D3 400 IU
Vitamin K2 60 mcg
Vitamin C 100 mg
Magnesium Citrate 150 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Calcium Carbonate Safe

Acts as a filler and provides supplemental calcium.

Microcrystalline Cellulose (Plant Fiber) Safe

It is used as a filler, binder, and disintegrant.

Stearic acid (vegetable grade) Unknown
Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Polyvinyl Alcohol Generally_safe

It is used as a coating for tablets or capsules.

Talc Avoid

It is used to improve powder flow and prevent clumping.

Polyethylene Glycol Caution

It is used as a binder, coating agent, or to improve solubility.

Titanium Dioxide Caution

Used as a whitening agent in tablet coatings and capsules.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$16$15$14$13$12 Mar 12 $14.02
iHerb

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

Brand Trust Report
Olympian Labs

Founded 1992 · Phoenix, Arizona, United States · 85 products · olympianlabsshop.com/

Certifications

2 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source

Violation History

2 incidents
Prop 65 Lead2018-09-05Source
Lawsuit Allegations that the products 'Medi-Phen' and 'Herp-Eeze' were not safe or effective for their advertised purposes of weight loss and relief of Herpes simplex viruses, respectively.2002Source
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Frequently Asked Questions
Is Olympian Labs Green Calcium with Vitamin K2/D3, 100 Tablets a good supplement?

Olympian Labs Green Calcium with Vitamin K2/D3, 100 Tablets received a product quality score of 52/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 5 active ingredients with 50 servings per container. Of the 9 inactive ingredients, 4 are rated safe and 2 are flagged for review. The manufacturer, Olympian Labs, holds a brand trust score of 66/100 with 2 verified certifications including Consumerlab, Fda Gmp Inspections.

What are the ingredients in Olympian Labs Green Calcium with Vitamin K2/D3, 100 Tablets?

Olympian Labs Green Calcium with Vitamin K2/D3, 100 Tablets contains 5 active ingredients: Calcium Gluconate (1,000 mg), Vitamin D3 (400 IU), Vitamin K2 (60 mcg), Vitamin C (100 mg), Magnesium Citrate (150 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Olympian Labs Green Calcium with Vitamin K2/D3, 100 Tablets safe to take?

Olympian Labs Green Calcium with Vitamin K2/D3, 100 Tablets has been analyzed for ingredient safety across all its components. Of 9 inactive ingredients, 4 are rated safe. 2 ingredients are flagged for review: Polyethylene Glycol, Titanium Dioxide. '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 Olympian Labs a trustworthy supplement brand?

Olympian Labs receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1992 and headquartered in Phoenix, Arizona, United States, the company offers 85 products in their lineup. They hold 2 verified certifications including Consumerlab, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Olympian Labs 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.