Warning icon /> Please upgrade your browser.

Kirkland Signature Extra Strength Vitamin D3

Back arrow VITAMIN D RANKING
Product thumbnail image Product thumbnail image Product thumbnail image
Product image Product image Product image BUYING OPTIONS
LABDOOR SCORE
81.5 of 100
A
B
C
D
F
BUY FROM THESE SELLERS Why we sell products Back arrow

Key Data

One serving of Kirkland Signature Extra Strength Vitamin D3 measured 2200 IU of vitamin D3, 10% over its label claim. Due to higher than claimed levels of vitamin D, two servings of this product also exceed the 4000 IU daily Upper Limit (UL) by 10%.

---

Label Accuracy

Product Purity

Nutritional Value

Ingredient Safety

Projected Efficacy

Analytical Tests9
Serving Size1 Tablet
Price/Serving$0.02
Vitamin D/Serving2200 IU (as cholecalciferol/D3)
Watchlist IngredientsCaramel Color
Purity TestsPass (heavy metal content below 1 PPM)
See Full Report
These statements have not been evaluated by the Food and Drug Administration.
This product is not intended to diagnose, treat, cure, or prevent any disease.
Labdoor is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.