BioStacks
Best for
Ingredients (3)
Vitamin D3
100%Dose
1000 IU
Target
1000–5000 IU
Form
Premium
Vitamin K-2
56%Dose
50 mcg
Target
90–200 mcg
Form
Premium
Strontium
29%Dose
100 mg
Target
340–680 mg
Form
Standard
Other Ingredients (7)
Rice Bran OilCarrier
An oil pressed from rice bran, used as a carrier and emollient
BeeswaxCoating
Natural wax produced by honeybees, used as a coating and binding agent in softgels and tablets
CarobFlavor
Roasted powder from carob tree pods, used as a caffeine-free chocolate/cocoa substitute for flavor and brown color
Dicalcium PhosphateBinder
Calcium and phosphorus compound used as binder
Safflower Seed OilCarrier
Light, neutral oil from safflower seeds used as a carrier in softgels for fat-soluble nutrients
SoftgelCapsule
One-piece gelatin capsule shell with a plasticizer (typically glycerin), used to encapsulate liquid or oil-based supplements
Sunflower LecithinEmulsifier
Non-GMO, non-allergenic emulsifier derived from sunflower seeds
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
As a dietary supplement, take one softgel per day with water.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$15.51
Cheaper than 80% of 11 strontium supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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. studied 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.