BioStacks
Best for
Ingredients (2)
Vitamin D
100%Dose
5000 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
Shake well. Take 0.2 mL (4 drops) up to 3 times daily or as recommended by your physician. It may be added to food or mixed into cold or hot beverages, but only after the heating process.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$37.99
Pricier than 93% of 552 vitamin D supplements
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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.