Kirkland Signature Butter Sticks
CostcoLab tested
No
Feed quality
Conventional Corn/Soy
Living conditions
Unknown
Antibiotics
Unknown
Grass-fed
No
Why this score
For every scoring factor, open the breakdown from the score above.
High Risk
No
No
Natural Only
No
sticks
Serving size: 14 g
Amounts per serving, from the product nutrition label or trusted public sources when available.See product ratings, lab test results, and expert analysis of water quality and filtration systems.
