This vitamin D3 softgel delivers 2,000 IU (50 mcg) per day — a solid everyday maintenance dose that sits comfortably above the 600 IU RDA and well under the 4,000 IU safe upper limit. **Vitamin D3** (cholecalciferol) is the form your body uses most efficiently to raise and hold healthy blood levels, so this is dependable daily support for bone strength, immune function, and overall vitamin D status.

It's especially worth having if you get limited sun or want winter-month coverage, when your skin makes far less of its own. Since vitamin D is fat-soluble, take it with a meal that contains some fat — the label's note to take it with food helps you absorb the full dose. One softgel a day keeps it simple, with no stacking or pill burden to reach an effective level.

BioStacks
Kirkland Signature

D3 50 mcg (2000 IU)

Capsule · 1 Softgel · 600 servings

iHerbAmazon
Track this supplement · Get started free

What it does

Vitamin D

vitamin d3Premium

Cholecalciferol (vitamin d3): Supports normal bones; D3 generally raises vitamin D blood levels more than comparable D2 doses.

ImmuneDentalBone & Joint
Ask AI about this product

Ingredients (1)

IngredientDoseTarget/referenceForm

Other ingredients

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

GlycerinHumectant

Sweet-tasting liquid used in soft capsules and liquids

Vegetable OilCarrier

Edible oils used as carriers in softgels and as processing aids

CholecalciferolVitamin

Vitamin D3 added in trace amounts for fortification in protein powders and other supplements

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 Use: Take one (1) softgel daily, preferably with a meal.

Price check

No price yet

$10$20

What 552 vitamin D supplements cost

Similar products

D3000 Vitamin D Daily Oral Spray

BetterYou

D3000 Vitamin D Daily Oral Spray

🛡️ for Immune

95
D400 Infant Vitamin D Daily Oral Spray

BetterYou

D400 Infant Vitamin D Daily Oral Spray

🛡️ for Immune

95
Vitamin D3 3000 IU

Zahler

Vitamin D3 3000 IU

🛡️ for Immune

95
Vitamin D3 2500 IU (62.5 mcg)

Carlson

Vitamin D3 2500 IU (62.5 mcg)

🛡️ for Immune

94
Vitamin D3 62.5 mcg 2,500 IU

Country Life

Vitamin D3 62.5 mcg 2,500 IU

🛡️ for Immune

94

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.

BioStacks

Know exactly what's in your supplements.

Navigate

  • Home
  • Manifesto
  • App Store
  • Google Play

Resources

  • Contact & Support
  • Pricing
  • Terms of Service
  • Privacy Policy
  • Refund Policy

Explore

  • Health Areas
  • Best Supplements
  • Nutrients
  • All Supplements

Popular Picks

  • Best Magnesium for Sleep
  • Best Collagen for Skin
  • Best Creatine for Muscle
  • Best Vitamin D for Bone Health
  • Best Probiotics for Digestion
  • Best CoQ10 for Heart

Free Tools

  • Interaction Checker
  • Dose Checker
  • Form Comparison

Field Guides

  • Magnesium for sleep
  • Reading labels
  • Interaction checker
  • Dose checker
  • Harmful ingredients
  • Proprietary blends
  • Stack building
  • Scan without barcode
  • All guides →
© 2026 BioStacks. All rights reserved. Not medical advice.