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Vitamin D3 2000 IU
FORMULA · Softgel delivery1/4
FIG. 01 — VITAMIN D3 2000 IU · STUDIODRAG TO ROTATE
2000 IU D3In stock1 ingredients

Vitamin D3 2000 IU

Vitamin D3 2000 IU in a softgel. The boring daily most Americans are actually deficient in.

Lipid-soluble form. Better absorption for fat-loving nutrients.

Our top pickOur verdict · for anyone without regular sun exposure (most Americans)

2000 IU is the typical maintenance dose for most adults (trials often use 2000-4000 IU/day). Softgel with oil base absorbs better than dry capsules. Pair with K2 for the complete bone-heart synergy. 100 servings means three+ months of boring consistency.

Includes
Vitamin D3 (Cholecalciferol) 2000 IU
Supply
100 servings · re-ship every 30 or 60 days
Tested by
Third-party tested · COA on request
Reviewed by
Licensed PharmD · clinical advisory team
Shipping
Free US shipping · Made in Colorado · 3 business days
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Testing and quality

  • GMPcGMPManufactured in a current Good Manufacturing Practice facility.
  • 3PT3rd-partyIdentity, potency, and contaminant testing by an independent lab.
SECTION 02 · INGREDIENT BREAKDOWN

Every molecule, graded.

GRADE SCALE
A · EVIDENCE: STRONG
B · EVIDENCE: MODERATE
01Vitamin D3 (Cholecalciferol)Clinical dose, COA per batch.2000 IUGrade A · see studies →
SECTION 03 · THE EVIDENCE

Why this formula.

We pick ingredients by effect size, not marketing. Each citation below links the strongest available human evidence — with the honest limitations noted.

REF · 1400 · PEER-REVIEWED

“Vitamin D3 (Cholecalciferol) at the clinical dose, and what the trials show.”

2000 IU — the dose used in the strongest available randomized evidence. See the ingredient page for full methodology and pooled effect sizes.

Effect: documented · graded A

Questions buyers ask

Every formula uses clinical doses of ingredients with human trials behind them. We link studies on each ingredient page so you can check the evidence yourself. Results vary by person, but the dosing matches what the research used.
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