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Futurebiotics K2 + D3 supplement bottle
Futurebiotics

K2 + D3 Review

What We Researched
2 active ingredients analyzed · 7 inactive ingredients decoded · 4 brand certifications checked · Page generated: Sep 2026
95
Product Score Excellent
89
Brand Score Good

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D3 (as Cholecalciferol) 125 mcg (5,000 IU) 625%
Vitamin K2 (as MK 7 Menaquinone) 90 mcg —
Bioavailability Excellent

Absorption Rating

  • Vitamin D3 (as Cholecalciferol) Good
  • Vitamin K2 (as MK 7 Menaquinone) Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Stearic Acid
  • Croscarmellose Sodium
  • Magnesium Stearate
  • Silicon Dioxide
  • Hydroxypropyl Methylcellulose
  • Polyethylene Glycol Low
Efficacy Very Good

Dosage Analysis

  • Vitamin D3 (as Cholecalciferol) 125 mcg (5,000 IU) High
  • Vitamin K2 (as MK 7 Menaquinone) 90 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3 (as Cholecalciferol) 125 mcg (5,000 IU) 625%
Vitamin K2 (as MK 7 Menaquinone) 90 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.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Polyethylene Glycol Caution

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

Brand Trust Report
Futurebiotics

Founded 1984 · Hauppauge, New York, USA · 173 products · futurebiotics.com

Certifications

4 certifications
Consumerlab Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
Usda Organic Source available Primary evidence
NSF Certified Supporting evidence unavailable

Transparency

3 claims
Third Party Testing Claim — Claimed Brand claim; evidence unavailable
In House Testing — Verified Evidence available Evidence
Contains Proprietary Blend — True Brand claim; evidence unavailable
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Frequently Asked Questions
Is Futurebiotics K2 + D3 a good supplement?

Futurebiotics K2 + D3 received a product quality score of 95/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 2 active ingredients with 120 servings per container. Of the 7 inactive ingredients, 6 are rated safe and 1 ingredient is flagged for review. The manufacturer, Futurebiotics, holds a brand trust score of 89/100.

What are the ingredients in Futurebiotics K2 + D3?

Futurebiotics K2 + D3 contains 2 active ingredients: Vitamin D3 (as Cholecalciferol) (125 mcg (5,000 IU)), Vitamin K2 (as MK 7 Menaquinone) (90 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 Futurebiotics K2 + D3 safe to take?

GoodSupp reviewed the inactive-ingredient data available for Futurebiotics K2 + D3. Of 7 inactive ingredients, 6 are rated safe. 1 ingredient is flagged for review: Polyethylene Glycol. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Futurebiotics a trustworthy supplement brand?

Futurebiotics receives a brand trust score of 89/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1984 and headquartered in Hauppauge, New York, USA, the company offers 173 products in their lineup.

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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 — read our methodology. 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.