**Vitamin D3** at 2,000 IU per softgel puts you squarely within the clinically supported 1,000–5,000 IU/day range for maintaining healthy blood levels, supporting bone density, and strengthening immune function. For most people, this is a reliable maintenance dose — enough to keep you above deficiency without approaching the 4,000 IU tolerable upper limit.

The softgel delivers D3 as cholecalciferol suspended in extra virgin olive oil, which helps your body absorb it since vitamin D is fat-soluble. One capsule daily with a meal is all it takes, and the oil carrier means you don't need to worry about pairing it with a fatty food separately.

If you're correcting a known deficiency, live in a northern latitude with limited sun, or have darker skin, 2,000 IU may not be enough — many practitioners recommend 4,000–5,000 IU in those situations. Check your blood levels to know where you stand.

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BioStacks

NOW

High Potency Vitamin D-3 2,000 IU

Capsule · 120 servings · $0.04/serving

93 / 100Excellent

Score Breakdown

Formulation
93
Safety
100
Final score
93/100

Ingredients (1)

Vitamin D32000 IU

Optimal dose · Premium form

Label Nutrition Facts

Active Ingredients

From the label · % Daily Value

DV%

Vitamin D350 mcg

333%

Other Ingredients

Fillers, coatings, and additives

5Safe

GelatinCapsule

Safe

Extra Virgin Olive OilCarrier

Safe

GlycerinHumectant

Safe

Safflower Seed OilCarrier

Safe

Purified WaterSolvent

Safe

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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.