Brand
Kirkland Signature supplements
Kirkland Signature has 54 products in the NIH Dietary Supplement Label Database (67 labels), 40 of them on the market at its January 2026 release; its labels most often list vitamin D, vitamin C, calcium. It ranks 393 of 5,741 brands by products on file.
- Products on file
- 5467 labels, sizes and designs counted
- On the market
- 4074% of its products
- Labels disclosing no amount
- 0products whose label gives no amount per ingredient
- On file since
- 2011newest label January 23, 2023
What do Kirkland Signature labels contain?
The ingredients its products list most, with its median amount per serving against the median of every product listing the same ingredient.
| Ingredient | Its products | Its median | Market median |
|---|---|---|---|
| Vitamin D | 24 | 12.5 mcg | 15 mcg |
| Vitamin C | 21 | 120 mg | 100 mg |
| Calcium | 20 | 380 mg | 115 mg |
| Vitamin B6 | 18 | 3.75 mg | 6 mg |
| Vitamin B12 | 17 | 25 mcg | 36 mcg |
| Zinc | 16 | 11 mg | 11 mg |
| Biotin | 15 | 60 mcg | 200 mcg |
| Pantothenic Acid (Vitamin B5) | 15 | 10 mg | 12 mg |
| Magnesium | 14 | 50 mg | 86 mg |
| Niacin | 14 | 20 mg | 20 mg |
Source: Supplement Facts rows of Kirkland Signature's current labels and of every product's, NIH ODS Dietary Supplement Label Database version 9.4.0.
Every Kirkland Signature product
On-market products first, A to Z (page 1 of 2).
Every product with what it contains: the full list.
- Active Vitamin Packon the market2019
- Adult Multivitamin Gummieson the market2020
- B12 5000 mcg Cherry Flavoron the market2022
- C 1000 mgon the market2022
- C 250 mg Tangerineon the market2020
- Calcium 500 mg with D3 Adult Gummieson the market · 2 labels2022
- Calcium 600 mgon the market2022
- Calcium 600 mg + D3on the market2019
- Calcium 600 mg with Vitamin D3on the market · 2 labels2023
- Calcium Chews Chocolate Flavoredon the market2019
- Calcium Citrate Magnesium and Zincon the market2017
- Calcium Citrate with 500 mg of Calciumon the market · 2 labels2013
- Chewable C 500 mg Tangy Orange Tasteon the market2022
- Chewable Vitamin C 500 mg Tangy Orangeon the market2019
- CoQ10 300 mgon the market · 2 labels2019
- D3 50 mcg (2000 IU)on the market2022
- Daily Multi Vitamins & Mineralson the market2013
- E 180 mg (400 IU)on the market2023
- Energy B-Complex Adult Gummieson the market2017
- Extra Strength Glucosamine 1500 mg Chondroitin 1200 mgon the market · 3 labels2022
- Extra Strength Glucosamine HCl 1500 mg with MSM 1500 mgon the market2022
- Extra Strength Vitamin D3 2000 IUon the market2016
- Fast Acting Lactaseon the market2016
- Fiber Capsuleson the market2019
- Fish Oil 1200 mgon the market2019
- Glucosamine 1500 mg Chondroitin 1200 mgon the market · 2 labels2013
- Glucosamine HCl 1500 mg with MSM 1500 mgon the market2013
- Hair, Skin & Nails Strawberry Cream Flavored Coatingon the market2019
- Krill Oil 500 mgon the market2019
- Magnesium Citrate 250 mgon the market2019
- Ocusight Adult 50+on the market2020
- Optifiberon the market · 2 labels2022
- Organic Multivitaminon the market2022
- Performance Multi Energy Formulaon the market2019
- Sugar Free Children's chewableon the market2013
- Super B-Complex with Electrolyteson the market · 2 labels2022
- Triple Action Joint Healthon the market2020
- Turmeric 1000 mgon the market2023
- Ubiquinol 200 mgon the market2020
- Ultra Strength Antacid Calcium Carbonate 1000 mg Assorted Berry Flavorson the market2019
- Chewable Vitamin C 500 mgoff the market2013
- Children's Complete Multivitamin Gummiesoff the market · 2 labels2020
- Daily Multioff the market · 3 labels2020
- Daily Multi Packoff the market2013
- Fish Oil 1000 mgoff the market2020
- Fish Oil 1200 mg Enteric Coatedoff the market2016
- Fish Oil 1400 mg Softgel (230 count)off the market2020
- Mature Multioff the market2019
- Mature Multi Adult 50+off the market2022
- Mature Multi Vitamins & Mineralsoff the market2013
What kinds of products does Kirkland Signature make?
Kirkland Signature products by DSLD product type
When did its products enter the database, and which are still sold?
| Year | On the market | Off the market |
|---|---|---|
| 2013 | 5 | 7 |
| 2016 | 2 | 1 |
| 2017 | 2 | 0 |
| 2019 | 12 | 1 |
| 2020 | 6 | 4 |
| 2022 | 10 | 1 |
| 2023 | 3 | 0 |
Source: NIH Dietary Supplement Label Database label entry dates and market events, version 9.4.0.
Who is behind it?
Its labels most often name Costco Wholesale Corporation (distributor), Seattle, WA, on 41 products.
Seals its labels print: USP Verified mark (37), USDA Organic seal (1). A seal is the label's claim; the certifier's own list confirms it.
Where next?
- Vitamin D
- Vitamin C
- Calcium
- Vitamin B6
- Buried Treasure Liquid Nutrients
- Exchange Select X
- Health Plus
- Labrada Nutrition
- All brands
How to read a brand's figures, and what labels cannot tell you about a brand: comparing supplement brands by their labels. Label data, not medical advice.