BioStacks
Other Ingredients (7)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Ascorbyl PalmitateAntioxidant
Fat-soluble form of vitamin C used as preservative
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
HypromelloseCapsule
Plant-derived capsule material from cellulose
Rosemary ExtractPreservative
Natural plant-derived antioxidant used to preserve freshness and prevent oxidation of oils and fats in supplements
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
Adults take two capsules daily at mealtime or as directed by your healthcare professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$16.07
Near the median 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.