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.

BioStacks
California Gold Nutrition

Vitamin D3 125 mcg (5,000 IU)

Capsule · 1 Softgel · 90 servings

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What it does

Vitamin D

Mixed formsGrade —

Supports calcium absorption and the maintenance of normal bones.

ImmuneDentalBone & Joint
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Ingredients (1)

Other ingredients

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

Safflower Seed OilCarrier

Light, neutral oil from safflower seeds used as a carrier in softgels for fat-soluble nutrients

GlycerinHumectant

Sweet-tasting liquid used in soft capsules and liquids

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: Adults take one softgel daily with food. Do not exceed one softgel daily or take with other dietary supplements containing Vitamin D.

Price check

$5.52

$10$20

Cheaper than 97% 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.

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