41 products in Scout's rankings · Updated October 2026 · How we score
Scout has scored 41 Kirkland Signature products in its rankings. Scores run from 8 to 96 out of 100: 28 rate Excellent, 5 Good, 3 Fair and 5 Poor. The highest is Kirkland Signature Organic Virgin Coconut Oil at 96/100 (#3 of 46 in Cooking Oils); the lowest is Triple Chocolate Muffin at 8/100. 25 are Scout's Picks (scored 88+). One carries independent lab results, listed below.
At a glance
Kirkland Signature products, by Scout score
Ordered by Scout score. Each score compares a product with others in its own category; the line under each one says where it places there.
Kirkland Signature products by category
| Category | Products | Scores | Best rank |
|---|---|---|---|
| Nuts | 14 | 95 | #1 of 37 |
| Dog Food | 4 | 63–89 | #6 of 13 |
| Cooking Oils | 2 | 94–96 | #3 of 46 |
| Cat Food | 2 | 72–75 | #1 of 13 |
| Hydration | 2 | 25–94 | #6 of 67 |
| Honey | 2 | 85 | #4 of 13 |
| Butter | 2 | 85–90 | #11 of 30 |
| Cheese | 2 | 50–75 | #35 of 59 |
| Tea | 1 | 95 | #3 of 36 |
| Nut Butters | 1 | 95 | #2 of 18 |
| Oats | 1 | 95 | #6 of 28 |
| Milk | 1 | 95 | #16 of 53 |
| Yogurt | 1 | 90 | #22 of 63 |
| Laundry | 1 | 91 | #6 of 17 |
| Salty Snacks | 1 | 15 | #63 of 128 |
| Granola | 1 | 45 | #34 of 46 |
| Water Bottles | 1 | 42 | #30 of 38 |
| Immunity | 1 | 83 | #17 of 20 |
| Bagels & Muffins | 1 | 8 | #16 of 16 |
Ingredients Scout flags across Kirkland Signature
Ingredients rated harmful in Scout's analyses that appear in at least two of these 41 products. Each link opens Scout's analysis of the ingredient.
- Natural flavor in 4 of 41
- Peanut Oil in 3 of 41
Beneficial ingredients across Kirkland Signature
Ingredients rated beneficial in Scout's analyses that appear in at least two of these 41 products.
Kirkland Signature lab results
One of these 41 products carries an independent lab panel. Each product page has the full panel and what each level means.
- Kirkland Signature Purified Water Plastic Bottle 42/100
Microplastics Detected (Moderate)
Common questions about Kirkland Signature
What is the highest-scoring Kirkland Signature product?
Kirkland Signature Organic Virgin Coconut Oil, at 96/100 — #3 of 46 in Cooking Oils.
What is the lowest-scoring Kirkland Signature product?
Triple Chocolate Muffin, at 8/100 — #16 of 16 in Bagels & Muffins. Its product page lists the ingredients behind the score.
Does Scout have lab results for Kirkland Signature products?
Yes, for one of the 41: Kirkland Signature Purified Water Plastic Bottle. The measured amounts are on each product page.
How does Scout score Kirkland Signature products?
Each product gets its own 1–100 score, judged against other products in the same category with a category-specific framework: the full ingredient list, plus the published processing level, the packaging and any credible lab results where they apply. Scout does not score brands, and no brand pays for a score or a position.