Kirkland Mature Multi Vitamins & Minerals supplement bottle
Kirkland

Mature Multi Vitamins & Minerals

What We Researched
27 active ingredients analyzed · 11 inactive ingredients decoded · Last updated: Mar 2026
40
Product Score Poor

Product Analysis

Transparency Very Poor

Supplement Facts

IngredientAmount% DV
Calcium Carbonate
Potassium Chloride
sortic Acid
Magnesium Oxide
di - Alpha Tocopheryl Acetate
Niacinamide
d-Calcium Pantothenate
Manganese Sulfate
Pyridoxine Hydrochloride
Copper Sulfate
Thiamin Monontrate
Beta Carotene
Riboflavin
Folic Acid
Boric Acid
Lopene
Chronium Picolinate
Lutein
Potassium lodide
Sodium Selenate
Sodium Molybdate
Vitamin D3 (Cholecalciferol
Cyanocobalamin
Phytonadione
Biotin
Sodium Metavanadate
Zinc Oxide
Bioavailability Very Good

Absorption Rating

  • Calcium Carbonate Fair
  • Potassium Chloride Good
  • Magnesium Oxide Poor
  • di - Alpha Tocopheryl Acetate Fair
  • Niacinamide Good
  • d-Calcium Pantothenate Good
  • Manganese Sulfate Good
  • Pyridoxine Hydrochloride Fair
  • Copper Sulfate Fair
  • Thiamin Monontrate Good
  • Beta Carotene Good
  • Riboflavin Good
  • Folic Acid Fair
  • Lutein Good
  • Potassium lodide Good
  • Sodium Selenate Good
  • Sodium Molybdate Good
  • Vitamin D3 (Cholecalciferol Good
  • Cyanocobalamin Fair
  • Biotin Good
  • Sodium Metavanadate Good
  • Zinc Oxide Poor
Other Ingredients Good

Fillers & Additives

  • Dibasic Calcium Phosphate
  • Cellulose Gel
  • Modified Food Starch
  • Matodertrin
  • Hypromellose
  • Croscarmellose Sodim
  • Magnesium Stearate
  • Silicon Dioxide
  • Gelatin (Porcine)
  • Polyethylene Glycol Low
  • Sodium Borate High
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Supplement Facts

Ingredient Amount % Daily Value
Calcium Carbonate
Potassium Chloride
sortic Acid
Magnesium Oxide
di - Alpha Tocopheryl Acetate
Niacinamide
d-Calcium Pantothenate
Manganese Sulfate
Pyridoxine Hydrochloride
Copper Sulfate
Thiamin Monontrate
Beta Carotene
Riboflavin
Folic Acid
Boric Acid
Lopene
Chronium Picolinate
Lutein
Potassium lodide
Sodium Selenate
Sodium Molybdate
Vitamin D3 (Cholecalciferol
Cyanocobalamin
Phytonadione
Biotin
Sodium Metavanadate
Zinc Oxide

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dibasic Calcium Phosphate Generally_safe

It is used as a filler and to improve tablet hardness.

Cellulose Gel Generally_safe

It is used as a thickening agent to improve the texture of supplements.

Modified Food Starch Generally_safe

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

Matodertrin Unknown
Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Croscarmellose Sodim Unknown
Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Gelatin (Porcine) Unknown
Polyethylene Glycol Caution

It is used as a binder, coating agent, or to improve solubility.

Sodium Borate Avoid
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Frequently Asked Questions
Is Kirkland Mature Multi Vitamins & Minerals a good supplement?

Kirkland Mature Multi Vitamins & Minerals received a product quality score of 40/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 27 active ingredients Of the 11 inactive ingredients, 3 are rated safe and 1 are flagged for review.

What are the ingredients in Kirkland Mature Multi Vitamins & Minerals?

Kirkland Mature Multi Vitamins & Minerals contains 27 active ingredients: Calcium Carbonate, Potassium Chloride, sortic Acid, Magnesium Oxide, di - Alpha Tocopheryl Acetate, Niacinamide, and 21 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Kirkland Mature Multi Vitamins & Minerals safe to take?

Kirkland Mature Multi Vitamins & Minerals has been analyzed for ingredient safety across all its components. Of 11 inactive ingredients, 3 are rated safe. 1 ingredient is flagged for review: Polyethylene Glycol. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. 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.