Kirkland Signature

Premium Performance Multi

C+
N+ Score74
Collagen & BeautyServing: 1 Tablet(s)Type: Other Combinations

Kirkland Signature Premium Performance Multi is a multivitamin with high concentrations of B vitamins, including Thiamine, Riboflavin, Niacin, and Vitamin B6, along with Vitamins A, C, D, E, and K. It aims to provide broad nutritional coverage. This product has an N+ Score of 74.

About This Product

Premium Performance Multi by Kirkland Signature is a collagen & beauty supplement containing 34 active ingredients. It has earned an N+ Score of 74/100 (Grade C+).

This product features a fully transparent label with individual ingredient amounts disclosed, and key ingredients are present at clinically effective doses based on peer-reviewed research.

Notable clinical-dose ingredients include Vitamin K, Thiamine, Riboflavin and 18 more.

N+ Score Breakdown

Ingredient Adequacy73/100

Are key ingredients present at clinically effective doses based on research?

Formula Completeness33/100

Does the product include all expected ingredients for its supplement category?

Label Transparency100/100

Are individual ingredient amounts clearly disclosed without proprietary blends?

Ingredient Diversity100/100

Does the formula include a breadth of beneficial compounds from multiple pathways?

Strengths

  • +Key ingredients at clinically effective doses
  • +Fully transparent label with individual ingredient amounts disclosed
  • +Broad ingredient diversity exceeding category norms
  • +21 ingredient(s) at clinical dose levels
  • +Rich formula with 34 active ingredients

Weaknesses

  • Missing several expected ingredients for its category

Ingredient Analysis (34 ingredients)

IngredientAmountDose Adequacy
Vitamin K80.000 mcgAdequate
Thiamine5.250 mgOptimal
Riboflavin6.000 mgOptimal
Niacin50.000 mgHigh
Vitamin B610.000 mgOptimal
Vitamin B1225.000 mcgOptimal
Biotin60.000 mcgOptimal
Pantothenic Acid10.000 mgOptimal
Vitamin A5000.000 IUHigh
Vitamin C120.000 mgAdequate
Vitamin D400.000 IUAdequate
Vitamin E75.000 IUOptimal
Calcium165.000 mgUnder
Iron9.000 mgAdequate
Iodine150.000 mcgOptimal
Magnesium50.000 mgUnder
Zinc15.000 mgOptimal
Selenium200.000 mcgOptimal
Copper3.500 mgOptimal
Manganese7.500 mgOptimal
Chromium200.000 mcgOptimal
Boron60.000 mcgN/A
Folic Acid400.000 mcgOptimal
Potassium100.000 mgUnder
Lycopene300.000 mcgN/A
Molybdenum75.000 mcgOptimal
Phosphorus130.000 mgUnder
Lutein250.000 mcgN/A
Vanadium10.000 mcgN/A
Silicon4.000 mgN/A
Chloride90.000 mgUnder
Nickel6.500 mcgN/A
Tin10.000 mcgN/A
Asian Ginseng root (Korean White) Extract55.000 mgN/A

Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.