Youtheory K2D3 - Bone & Heart Health Support* - Combines Vitamin D3 & Vitamin K2 - Dairy supplement bottle
Youtheory

K2D3 - Bone & Heart Health Support* - Combines Vitamin D3 & Vitamin K2 - Dairy

What We Researched
6 active ingredients analyzed · 11 inactive ingredients decoded · 3 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
96
Product Score Excellent
74
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D 125.0 mcg 625%
Vitamin K 100.0 mcg 83%
Bioavailability Excellent

Absorption Rating

  • Vitamin D Good
  • Vitamin K Good
Other Ingredients Excellent

Fillers & Additives

  • Isomalto-oligosaccharide
  • Purified Water
  • Pectin
  • Citric Acid
  • Natural Flavor
  • Sodium Citrate
  • Monk Fruit Juice Concentrate
  • Annatto Extract
  • Organic Stevia Leaf Extract
  • Organic Sunflower Oil
  • Organic Rice Flour
Efficacy Very Good

Dosage Analysis

  • Vitamin D 125.0 mcg High
  • Vitamin K 100.0 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 10.0 Cal
Total Carbohydrate 2.0 g 1%
Sugars 1.0 g
Added Sugars 1.0 g 1%
Vitamin D 125.0 mcg 625%
Vitamin K 100.0 mcg 83%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Isomalto-oligosaccharide Generally_safe

It is used to add sweetness and provide prebiotic benefits.

Purified Water Safe

Dissolves and carries water-soluble ingredients.

Pectin Safe

Forms the base of gummy supplements as a vegan gelatin alternative.

Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Natural Flavor Safe

Improves taste of chewable, gummy, or liquid supplements.

Sodium Citrate Safe

Stabilizes pH and helps maintain ingredient effectiveness.

Monk Fruit Juice Concentrate Unknown
Annatto Extract Safe

It is used to add a yellow or orange color to supplements.

Organic Stevia Leaf Extract Safe

It provides a sweet taste without added calories.

Organic Sunflower Oil Safe

Carrier oil for fat-soluble vitamins.

Organic Rice Flour Safe

It is used as a filler to add bulk to the supplement.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$18$17$16$15$14 $15.99
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
Youtheory

Founded 2010 · Irvine, California, United States · 45 products · youtheory.com/

Certifications

3 certifications
Consumerlab Verified Source
Usp Verified Verified Source
Nsf Gmp Verified Source

Transparency

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

Violation History

2 incidents
Prop 65 Lead2017-02-24Source
Lawsuit Investigation into potentially fraudulent anti-aging claims for Youtheory Collagen Tablets.2014
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Frequently Asked Questions
Is Youtheory K2D3 - Bone & Heart Health Support* - Combines Vitamin D3 & Vitamin K2 - Dairy a good supplement?

Youtheory K2D3 - Bone & Heart Health Support* - Combines Vitamin D3 & Vitamin K2 - Dairy received a product quality score of 96/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 6 active ingredients with 60 servings per container. Of the 11 inactive ingredients, 9 are rated safe and 0 are flagged for review. The manufacturer, Youtheory, holds a brand trust score of 74/100 with 3 verified certifications including Consumerlab, Usp Verified, Nsf Gmp.

What are the ingredients in Youtheory K2D3 - Bone & Heart Health Support* - Combines Vitamin D3 & Vitamin K2 - Dairy?

Youtheory K2D3 - Bone & Heart Health Support* - Combines Vitamin D3 & Vitamin K2 - Dairy contains 6 active ingredients: Calories (10.0 Cal), Total Carbohydrate (2.0 g), Sugars (1.0 g), Added Sugars (1.0 g), Vitamin D (125.0 mcg), Vitamin K (100.0 mcg). Notable high-dose ingredients include Vitamin D at 625% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Youtheory K2D3 - Bone & Heart Health Support* - Combines Vitamin D3 & Vitamin K2 - Dairy safe to take?

Youtheory K2D3 - Bone & Heart Health Support* - Combines Vitamin D3 & Vitamin K2 - Dairy 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 Youtheory a trustworthy supplement brand?

Youtheory receives a brand trust score of 74/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2010 and headquartered in Irvine, California, United States, the company offers 45 products in their lineup. They hold 3 verified certifications including Consumerlab, Usp Verified, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Youtheory has 2 historical regulatory incidents on record, which are factored into the trust score.

How much vitamin d3 should i take daily?

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 does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

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.

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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.