Life Extension
Vitamin D3 1000 IU
Vitamin
The dose here lands inside the range studies actually used.
Dose At dose vs. studied dose
How it scores
What's in it, judged
Supplement Facts
Serving Size: 1 Softgel(s)
- Vitamin D3 as Cholecalciferol 1,000 IU 250%
Other ingredients: extra virgin Olive Oil, Medium Chain Triglycerides Oil, Gelatin, Glycerin, purified Water, Rosemary extract.
Read 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.
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.
Is it dosed to do anything?
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Vitamin D3
At the studied dose1,000 IU / day studies used 200-7,943 IU · 65 studies
What Vitamin D3 is good for
- Heart rate responseB
Heart rate response to stress or stimulants
Cardiovascular
- Urine proteinC
Lower urine protein
Renal & urinary
- Arrhythmia incidenceB
Lower chance of arrhythmia
Cardiovascular
- Body weightA
Body weight
Weight management
- Depression severityA
Less severe depression
Mood & depression
Life Extension
90/100Life Extension's quality posture is strong on testing and transparency, but a 2017 FDA warning letter limits a full trust endorsement.
- ✓ NSF certified
- ✓ Third-party tested
- ✓ Effective dosing
- ✓ Premium ingredients
- ✓ Research-backed
