At 5,000 IU per softgel, you're getting **Vitamin D3** right at the top of the clinically studied range (1,000–5,000 IU/day) — enough to support bone density, immune function, and healthy mood. The form is cholecalciferol (D3), which raises blood levels far more effectively than the D2 alternative. The softgel includes safflower oil, giving you a built-in fat source to help absorption since D3 is fat-soluble.

This dose covers a wide range of health goals — your bones, immune system, muscles, and hormonal balance all depend on adequate vitamin D, and deficiency is extremely common, especially if you get limited sun exposure or live in a northern climate.

One thing to know: 5,000 IU exceeds the tolerable upper limit of 4,000 IU set by health authorities. While many practitioners recommend this dose for people with low baseline levels, it's worth getting your blood levels checked periodically to make sure you're in the optimal range rather than overshooting it.

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BioStacks

California Gold Nutrition

Vitamin D3 125 mcg (5,000 IU)

Capsule · 90 servings · $0.06/serving

85 / 100Excellent

Score Breakdown

Formulation
100
Safety
85
Final score
85/100

Ingredients (1)

Vitamin D5000 IU

Exceeds UL · Premium form

Label Nutrition Facts

Active Ingredients

From the label · % Daily Value

DV%

Vitamin D125 mcg

833%

Other Ingredients

Fillers, coatings, and additives

4Safe

GelatinCapsule

Safe

Safflower Seed OilCarrier

Safe

GlycerinHumectant

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.