BioStacks
GNC

Vitamin D-3 & K-2 (Discontinued)

1 Softgel · 90 servings

iHerbAmazon

Best for

Bone & JointImmuneDental

Ingredients (2)

Vitamin D

100%

Dose

2520 IU

Target

1000–5000 IU

Form

Premium

Vitamin K2

100%

Dose

100 mcg

Target

90–200 mcg

Form

Premium

Other Ingredients

No other ingredients listed

How to Take It

Take it anytime

Fat-soluble — take with your largest fat-containing meal. Time of day doesn't matter.

With a meal containing fat

On the label

Take 1 softgels daily.

General guidance based on the ingredients, not a substitute for the label or your doctor.

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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