Life Extension Vitamin D3 1000 IU

Life Extension · Vitamin D3 1000 IU

Life Extension

Vitamin D3 1000 IU

Vitamin

Looks good our read

The dose here lands inside the range studies actually used.

Dose At dose vs. studied dose

How to takeRead the entire label and follow directions carefully prior to use. Directions: Take one (1) softgel daily with food, or as recommended by a healthcare practitioner.

Quality

How it scores

Overall

A

Evidence

A

Dose

A

Formulation

A

Brand

90/100

Dose check

Is it dosed to do anything?

  • Vitamin D3

    At the studied dose

    1,000 IU / day studies used 750-30,400 IU · 22 studies

What Vitamin D3 is good for

  • Allergy symptomsB

    Ease allergy symptoms

    Respiratory

  • Depression riskA

    Lower depression risk

    Mood & depression

  • DepressionA

    Ease depression symptoms

    Mood & depression

  • Fracture riskA

    Lower fracture risk

    Bone density

  • Cardiac event riskA

    Reduce major cardiac events for heart patients

    Cardiovascular

The label

What's in it

Serving size 1 Softgel(s)

IngredientAmount%DV

Other ingredients

Clean formula. The inactive ingredients are standard capsule components.

  • extra virgin Olive Oil
  • Medium Chain Triglycerides Oil
  • Gelatin: capsule shell; neutral unless ethical concern
  • Glycerin: capsule plasticizer; benign
  • purified Water
  • Rosemary extract

Reported interactions

Interacts with:
Phenobarbital ·Tacrolimus ·Sirolimus ·Rifampin ·Phenytoin ·Carbamazepine ·Hydrochlorothiazide ·Primidone
Side effects:
Death ·Hypercalcaemia ·Nephrolithiasis ·Nephrocalcinosis ·Serious adverse events ·Pancreatitis

From research databases. Not medical advice — talk to your physician.

The brand

Life Extension

90/100

Life Extension's quality posture is strong on testing and transparency, but a 2017 FDA warning letter limits a full trust endorsement.

Quality 91
Formulation 94
Safety 79
Transparency 84
Value 96
  • ✓ NSF certified
  • ✓ Third-party tested
  • ✓ Effective dosing
  • ✓ Premium ingredients
  • ✓ Research-backed
Read the full Life Extension investigation →

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