Kirkland Signature Calcium 500 mg with D3 240 Adult Gummies

Common questions

Is Kirkland Signature Calcium 500 mg with D3 240 Adult Gummies healthy?

Kirkland Signature Calcium 500 mg with D3 240 Adult Gummies scores 62/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This supplement contains beneficial ingredients such as tribasic calcium phosphate, zinc citrate, and cholecalciferol, which support bone health and immune function.

How processed is Kirkland Signature Calcium 500 mg with D3 240 Adult Gummies?

Kirkland Signature Calcium 500 mg with D3 240 Adult Gummies is NOVA Group 4: Ultra-Processed Foods.

Which ingredients drive Kirkland Signature Calcium 500 mg with D3 240 Adult Gummies' score?

In Scout's ingredient-by-ingredient analysis, Tribasic Calcium Phosphate, Gelatin, Zinc Citrate count in its favor; Glucose Syrup, Cane Sugar, Modified Food Starch are flagged as ingredients of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Kirkland Signature Calcium 500 mg with D3 240 Adult Gummies

Kirkland
62 Fair

Analysis updated August 2026 · How Scout scores

$12.98 · 120 count · $0.11 / count
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At a glance

Beneficial ingredients 4
Harmful ingredients 5
Owned by Costco
Category Vitamins and Minerals
Summary

This supplement contains beneficial ingredients such as tribasic calcium phosphate, zinc citrate, and cholecalciferol, which support bone health and immune function. However, the presence of glucose syrup and cane sugar, which are highly processed and can contribute to metabolic issues, along with the use of natural flavors, affects its overall formulation quality. The product's processing level and inclusion of these sweeteners and flavoring agents result in a moderate score.

Key ingredients 13

Cholecalciferol
Very Good

Cholecalciferol, or Vitamin D3, is essential for calcium absorption and bone health. It is the most effective form of Vitamin D for raising blood levels. It supports immune function and overall health.

Risks

Excessive intake can lead to hypercalcemia and associated health issues.

Benefits

Enhances calcium absorption and supports bone and immune health.

Tribasic Calcium Phosphate
Good

Tribasic calcium phosphate is a source of calcium, which is vital for bone health and metabolic functions. It is a commonly used supplement form due to its stability and bioavailability. It supports bone density and overall skeletal health.

Risks

Excessive intake may lead to hypercalcemia, which can cause kidney stones and impaired absorption of other minerals.

Benefits

Provides essential calcium for maintaining strong bones and teeth.

Gelatin
Good

Gelatin is an animal-derived protein that supports joint health and skin elasticity. It is used as a gelling agent in gummies and provides a source of collagen. It is beneficial for connective tissue health.

Benefits

Supports joint health and provides collagen for skin and connective tissues.

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Zinc Citrate
Good

Zinc citrate is a bioavailable form of zinc, an essential mineral for immune function and enzyme activity. It is well-absorbed and supports overall health. Zinc is crucial for wound healing and DNA synthesis.

Risks

Excessive zinc intake can lead to nausea and interfere with copper absorption.

Benefits

Supports immune function and is essential for numerous enzymatic processes.

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Water
Neutral

Water is a neutral ingredient used as a solvent and to provide moisture. It is essential for hydration but does not contribute additional nutritional value in this context. Its presence is standard in gummy formulations.

Benefits

Essential for hydration but does not provide additional benefits in this product.

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Citric Acid
Neutral

Citric acid is a natural preservative and flavor enhancer commonly used in food products. It is generally recognized as safe and helps maintain product stability. It does not contribute significant nutritional value.

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Vegetable And Fruit Juice
Neutral

Vegetable and fruit juice is used for natural coloring in food products. It provides a more natural alternative to artificial dyes. However, it does not contribute significant nutritional value in small quantities.

Benefits

Provides natural coloring without artificial additives.

Lactic Acid
Neutral

Lactic acid is used as a preservative and acidity regulator in food products. It is naturally occurring and generally recognized as safe. It does not provide significant nutritional benefits.

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Glucose Syrup
Bad

Glucose syrup is a highly processed sweetener that can contribute to high blood sugar levels. It is often used as a cheap filler and lacks nutritional value. Excessive consumption may lead to metabolic issues.

Risks

High glycemic index can lead to spikes in blood sugar and insulin levels.

See more about Glucose Syrup →
Cane Sugar
Bad

Cane sugar is a refined sugar that can contribute to obesity and dental issues when consumed in excess. It provides empty calories without essential nutrients. Overconsumption is linked to various health problems.

Risks

Excessive intake can lead to weight gain, insulin resistance, and increased risk of chronic diseases.

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Modified Food Starch
Bad

Chemically modified starch additive.

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Natural Flavors
Bad

Natural flavors are a catch-all term for flavoring agents derived from natural sources but can be highly processed. They lack transparency and may contain additives. Their use is often criticized for not providing nutritional benefits.

Risks

Potential for undisclosed additives and allergens.

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Maltodextrin
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

May cause spikes in blood sugar levels due to high glycemic index.

See more about Maltodextrin →

Processing

Group 4 · Ultra-processed

Ultra-Processed Foods

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