At 10,000 IU per softgel, this is a high-dose **Vitamin D3** designed for every-third-day dosing — averaging roughly 3,300 IU daily, which lands right in the clinically supported 1,000–5,000 IU range for maintaining healthy blood levels. The cholecalciferol form (D3) is the most effective at raising and sustaining your vitamin D status, and each softgel comes in olive oil to support absorption since D3 is fat-soluble.
Your body uses vitamin D for far more than bone health — it plays a role in immune regulation, muscle function, and hormonal balance. Deficiency is extremely common, especially if you live in a northern climate or spend limited time outdoors, making this one of the more broadly useful supplements you can take.
The key thing to know: follow the label's every-3-day direction. Taking one softgel daily would put you at 10,000 IU — well above the 4,000 IU tolerable upper limit and into a range that can cause calcium buildup over time. If your doctor has tested your levels and recommended daily high-dose supplementation, that's different — but don't default to daily use without bloodwork.
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What it does
Vitamin D
Mixed formsGrade —
Supports calcium absorption and the maintenance of normal bones.
Ingredients (1)
Other ingredients
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
Extra Virgin Olive OilCarrier
Cold-pressed olive oil used as a carrier and filler in softgel capsules for fat-soluble nutrients
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
Safflower Seed OilCarrier
Light, neutral oil from safflower seeds used as a carrier in softgels for fat-soluble nutrients
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
Lab testing
How to take it
With a meal containing fat
On the label
Suggested Usage: Take 1 softgel every 3 days with a fat-containing meal, or as directed by your healthcare practitioner.
Price check
$15.73
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.
Not medical advice. Consult your healthcare professional.