KIRKLAND Kirkland Signature Multivitamin & Mineral, 365 Tablets supplement bottle
KIRKLAND

Kirkland Signature Multivitamin & Mineral, 365 Tablets

What We Researched
22 active ingredients analyzed · 26 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
59
Product Score Poor

Product Analysis

Transparency Very Poor

Supplement Facts

IngredientAmount% DV
Ascorbic Acid
Dl-alpha Tocopheryl Acetate
Ferrous Fumarate
Niacinamide
D-calcium Pantothenate
Manganese Sulfate
Cupric Oxide
Pyridoxine Hydrochloride
Riboflavin
Vitamin A Acetate
Thiamine Mononitrate
Beta Carotene
Chromium Chloride
Folic Acid
Lycopene
Potassium Iodide
Sodium Selenate
Sodium Molybdate
Natural Vitamin E
Sodium Metavanadate
Biotin (USP Method 2)
Phytonadione
Bioavailability Very Good

Absorption Rating

  • Ascorbic Acid Fair
  • Dl-alpha Tocopheryl Acetate Poor
  • Ferrous Fumarate Fair
  • Niacinamide Good
  • D-calcium Pantothenate Good
  • Manganese Sulfate Good
  • Pyridoxine Hydrochloride Fair
  • Riboflavin Good
  • Vitamin A Acetate Good
  • Thiamine Mononitrate Fair
  • Beta Carotene Good
  • Chromium Chloride Poor
  • Folic Acid Fair
  • Lycopene Good
  • Potassium Iodide Good
  • Sodium Selenate Good
  • Sodium Molybdate Good
  • Natural Vitamin E Good
  • Sodium Metavanadate Good
  • Biotin (USP Method 2) Good
Other Ingredients Excellent

Fillers & Additives

  • Dicalcium Phosphate
  • Magnesium Oxide
  • Potassium Chloride
  • Cellulose
  • Gelatin
  • Calcium Carbonate
  • Croscarmellose Sodium
  • Zinc Oxide
  • Crospovidone
  • Magnesium Stearate
  • Stearic Acid
  • Starch
  • Dextrin
  • Silicon Dioxide
  • Mannitol
  • Acacia
  • Vegetable Oil And Oleoresins
  • Borates
  • Dextrose
  • Lecithin
  • Resin
  • Sodium Carboxymethylcellulose
  • Sucrose
  • Sodium Citrate
  • Ascorbyl Palmitate
  • Sodium Metasilicate & Oxides
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Supplement Facts

Ingredient Amount % Daily Value
Ascorbic Acid
Dl-alpha Tocopheryl Acetate
Ferrous Fumarate
Niacinamide
D-calcium Pantothenate
Manganese Sulfate
Cupric Oxide
Pyridoxine Hydrochloride
Riboflavin
Vitamin A Acetate
Thiamine Mononitrate
Beta Carotene
Chromium Chloride
Folic Acid
Lycopene
Potassium Iodide
Sodium Selenate
Sodium Molybdate
Natural Vitamin E
Sodium Metavanadate
Biotin (USP Method 2)
Phytonadione

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dicalcium Phosphate Safe

Serves as both a filler and a supplemental source of calcium and phosphorus.

Magnesium Oxide Generally_safe

It is used to provide magnesium, an essential mineral.

Potassium Chloride Safe

It is used to provide potassium, an essential mineral.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Calcium Carbonate Safe

Acts as a filler and provides supplemental calcium.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Zinc Oxide Generally_safe

It is used as a source of zinc.

Crospovidone Generally_safe

It is used as a binder to help tablets or capsules disintegrate.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Starch Generally_safe

It is used as a filler, binder, or thickener.

Dextrin Generally_safe

It is used as a filler, binder, or coating agent.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Mannitol Generally_safe

It is used as a sweetener, filler, and flow agent.

Acacia Generally_safe

It is used as a binder or thickener.

Vegetable Oil And Oleoresins Unknown
Borates Unknown
Dextrose Generally_safe

It is used as a filler, sweetener, or to improve the flow of powders.

Lecithin Safe

It is used as an emulsifier to help mix oil and water-based ingredients.

Resin Unknown
Sodium Carboxymethylcellulose Generally_safe

It is used as a thickener, binder, or stabilizer.

Sucrose Generally_safe

It is used as a sweetener.

Sodium Citrate Safe

Stabilizes pH and helps maintain ingredient effectiveness.

Ascorbyl Palmitate Safe

Prevents oxidation and extends shelf life of oil-based supplements.

Sodium Metasilicate & Oxides Unknown

Price Comparison

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
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Frequently Asked Questions
Is KIRKLAND Kirkland Signature Multivitamin & Mineral, 365 Tablets a good supplement?

KIRKLAND Kirkland Signature Multivitamin & Mineral, 365 Tablets received a product quality score of 59/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 22 active ingredients Of the 26 inactive ingredients, 12 are rated safe and 0 are flagged for review.

What are the ingredients in KIRKLAND Kirkland Signature Multivitamin & Mineral, 365 Tablets?

KIRKLAND Kirkland Signature Multivitamin & Mineral, 365 Tablets contains 22 active ingredients: Ascorbic Acid, Dl-alpha Tocopheryl Acetate, Ferrous Fumarate, Niacinamide, D-calcium Pantothenate, Manganese Sulfate, and 16 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is KIRKLAND Kirkland Signature Multivitamin & Mineral, 365 Tablets safe to take?

KIRKLAND Kirkland Signature Multivitamin & Mineral, 365 Tablets has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

How much vitamin d3 should i take daily?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.