BioStacks
Nature's Answer
Vitamin D-3 Drops, In Extra Virgin Olive Oil, 100 mcg (4,000 IU), 0.5 fl oz (15 ml)
Liquid · 2 drops
Best for
Ingredients (1)
Vitamin D3**
100%Dose
4000 IU
Target
1000–5000 IU
Form
Premium
Other Ingredients (2)
Medium Chain Triglyceride OilCarrier
Fractionated oils rich in C8/C10 triglycerides used as neutral carrier or anti-sticking agent
Extra Virgin Olive OilCarrier
Cold-pressed olive oil used as a carrier and filler in softgel capsules for fat-soluble nutrients
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 two (2) drops daily. May be mixed with food or liquids, hold bottle upside down & allow drops to flow out.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$14.99
Near the median of 552 vitamin D 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.