Amy Myers MD Vitamin D3-K2 Liquid, 1 fl oz supplement bottle
Amy Myers MD

Vitamin D3-K2 Liquid, 1 fl oz

What We Researched
2 active ingredients analyzed · 1 inactive ingredient decoded · 3 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
84
Product Score Good
73
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D3 (as D3 Cholecalciferol) (5000 IU) 125 mcg 625%
Vitamin K (as Vitamin K-2 MK-7) 50 mcg 42%
Bioavailability Excellent

Absorption Rating

  • Vitamin D3 (as D3 Cholecalciferol) (5000 IU) Good
  • Vitamin K (as Vitamin K-2 MK-7) Good
Other Ingredients Excellent

Fillers & Additives

  • Medium-chain triglycerides (MCT) oil (coconut)
Efficacy Poor

Dosage Analysis

  • Vitamin D3 (as D3 Cholecalciferol) (5000 IU) 125 mcg High
  • Vitamin K (as Vitamin K-2 MK-7) 50 mcg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3 (as D3 Cholecalciferol) (5000 IU) 125 mcg 625%
Vitamin K (as Vitamin K-2 MK-7) 50 mcg 42%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$42$41$40$39$38 Mar 12 $39.97
Vitacost

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

Brand Trust Report
Amy Myers MD

Founded 2017 · Austin, Texas, USA · 34 products · amymyersmd.com/

Certifications

3 certifications
Fda Gmp Inspections Verified Source
Gluten Free Gfco Verified Source
Usda Organic Verified Source

Transparency

2 claims
Third Party Testing Claim — Verified Source

Violation History

1 incident
Prop 65 Lead2021-10-07Source
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Frequently Asked Questions
Is Amy Myers MD Vitamin D3-K2 Liquid, 1 fl oz a good supplement?

Amy Myers MD Vitamin D3-K2 Liquid, 1 fl oz received a product quality score of 84/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 2 active ingredients with 120 servings per container. Of the 1 inactive ingredients, 0 are rated safe and 0 are flagged for review. The manufacturer, Amy Myers MD, holds a brand trust score of 73/100 with 3 verified certifications including Fda Gmp Inspections, Gluten Free Gfco, Usda Organic.

What are the ingredients in Amy Myers MD Vitamin D3-K2 Liquid, 1 fl oz?

Amy Myers MD Vitamin D3-K2 Liquid, 1 fl oz contains 2 active ingredients: Vitamin D3 (as D3 Cholecalciferol) (5000 IU) (125 mcg), Vitamin K (as Vitamin K-2 MK-7) (50 mcg). Notable high-dose ingredients include Vitamin D3 at 625% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Amy Myers MD Vitamin D3-K2 Liquid, 1 fl oz safe to take?

Amy Myers MD Vitamin D3-K2 Liquid, 1 fl oz 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 Amy Myers MD a trustworthy supplement brand?

Amy Myers MD receives a brand trust score of 73/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2017 and headquartered in Austin, Texas, USA, the company offers 34 products in their lineup. They hold 3 verified certifications including Fda Gmp Inspections, Gluten Free Gfco, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Amy Myers MD has 1 historical regulatory incident 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.