Micro Ingredients Calcium with Vitamin D3 + K2 & Boron, 300 Tablets supplement bottle
Micro Ingredients

Calcium with Vitamin D3 + K2 & Boron, 300 Tablets

What We Researched
4 active ingredients analyzed · 6 inactive ingredients decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
84
Product Score Good
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D (as cholecalciferol) (D3) (1,000 IU) 25 mcg 125%
Calcium (as calcium carbonate) 1,200 mg 92%
Boron (as boron citrate) 2 mg
Vitamin K2 (as menaquinone-7) (MK-7) 25 mcg
Bioavailability Very Good

Absorption Rating

  • Vitamin D (as cholecalciferol) (D3) (1,000 IU) Good
  • Calcium (as calcium carbonate) Fair
  • Boron (as boron citrate) Good
  • Vitamin K2 (as menaquinone-7) (MK-7) Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Hypromellose
  • Croscarmellose Sodium
  • Silicon Dioxide
  • Magnesium Stearate
  • Coating Powder
Efficacy Fair

Dosage Analysis

  • Vitamin D (as cholecalciferol) (D3) (1,000 IU) 25 mcg Effective
  • Calcium (as calcium carbonate) 1,200 mg Effective
  • Boron (as boron citrate) 2 mg Under-dosed
  • Vitamin K2 (as menaquinone-7) (MK-7) 25 mcg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D (as cholecalciferol) (D3) (1,000 IU) 25 mcg 125%
Calcium (as calcium carbonate) 1,200 mg 92%
Boron (as boron citrate) 2 mg
Vitamin K2 (as menaquinone-7) (MK-7) 25 mcg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Coating Powder Generally_safe

It is used to improve the appearance, swallowability, or stability of supplements.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$24$23$22$21$20 Mar 12 $21.99
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
Micro Ingredients

Founded 2015 · Montclair, CA; Diamond Bar, CA; Miami, FL · 100 products · microingredients.com

Certifications

1 certification
Labdoor Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed Source
Coa Availability — Claimed Source

Violation History

3 incidents
Lawsuit Other Fraud2025
Prop 65 Lead2022-05-26Source
Prop 65 Lead2020-11-02Source
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Frequently Asked Questions
Is Micro Ingredients Calcium with Vitamin D3 + K2 & Boron, 300 Tablets a good supplement?

Micro Ingredients Calcium with Vitamin D3 + K2 & Boron, 300 Tablets received a product quality score of 84/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 4 active ingredients with 150 servings per container. Of the 6 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, Micro Ingredients, holds a brand trust score of 66/100 with 1 verified certifications including Labdoor.

What are the ingredients in Micro Ingredients Calcium with Vitamin D3 + K2 & Boron, 300 Tablets?

Micro Ingredients Calcium with Vitamin D3 + K2 & Boron, 300 Tablets contains 4 active ingredients: Vitamin D (as cholecalciferol) (D3) (1,000 IU) (25 mcg), Calcium (as calcium carbonate) (1,200 mg), Boron (as boron citrate) (2 mg), Vitamin K2 (as menaquinone-7) (MK-7) (25 mcg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Micro Ingredients Calcium with Vitamin D3 + K2 & Boron, 300 Tablets safe to take?

Micro Ingredients Calcium with Vitamin D3 + K2 & Boron, 300 Tablets 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 Micro Ingredients a trustworthy supplement brand?

Micro Ingredients receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2015 and headquartered in Montclair, CA; Diamond Bar, CA; Miami, FL, the company offers 100 products in their lineup. They hold 1 verified certifications including Labdoor. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Micro Ingredients has 3 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.