GNC Magnesium 500mg 120 Capsules Supports Calcium Absorption and Strong Teeth and Bones

Common questions

Is GNC Magnesium 500mg 120 Capsules Supports Calcium Absorption and Strong Teeth and Bones healthy?

GNC Magnesium 500mg 120 Capsules Supports Calcium Absorption and Strong Teeth and Bones scores 65/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This magnesium supplement contains magnesium oxide, which is a common form but has lower bioavailability compared to other forms like magnesium citrate or glycinate.

How processed is GNC Magnesium 500mg 120 Capsules Supports Calcium Absorption and Strong Teeth and Bones?

GNC Magnesium 500mg 120 Capsules Supports Calcium Absorption and Strong Teeth and Bones is NOVA Group 3: Processed Foods.

Which ingredients drive GNC Magnesium 500mg 120 Capsules Supports Calcium Absorption and Strong Teeth and Bones' score?

In Scout's ingredient-by-ingredient analysis, Magnesium counts in its favor. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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GNC Magnesium 500mg 120 Capsules Supports Calcium Absorption and Strong Teeth and Bones

GNC
65 Fair

Analysis updated September 2026 · How Scout scores

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At a glance

Beneficial ingredients 1
Harmful ingredients 0
Owned by Harbin Pharmaceutical Group
Category Vitamins and Minerals
Summary

This magnesium supplement contains magnesium oxide, which is a common form but has lower bioavailability compared to other forms like magnesium citrate or glycinate. The presence of magnesium stearate, a processed additive used as a flow agent, is a minor concern due to its potential to inhibit nutrient absorption. The formulation is relatively simple, but the choice of magnesium form and the use of magnesium stearate slightly impact its overall quality.

Key ingredients 6

Magnesium
Good

Magnesium is an essential mineral that supports numerous bodily functions, including muscle and nerve function, and bone health. It is often used in supplements to aid in calcium absorption and promote strong bones. Magnesium oxide is a common form used in supplements, though it may have lower bioavailability compared to other forms.

Risks

Excessive intake of magnesium can lead to digestive issues such as diarrhea.

Benefits

Magnesium is crucial for maintaining normal muscle and nerve function, supporting a healthy immune system, and keeping bones strong.

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Microcrystalline Cellulose
Neutral

Microcrystalline cellulose is a common filler and binder used in supplements to provide structure and stability. It is derived from plant fibers and is generally considered safe for consumption. It does not contribute any nutritional value but helps in the manufacturing process.

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Gelatin
Neutral

Gelatin is used as a capsule material in supplements, providing a convenient delivery method for the active ingredients. It is derived from animal collagen and is generally safe for consumption. Gelatin does not contribute to the nutritional profile of the supplement.

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Stearic Acid
Neutral

Stearic acid is a fatty acid used as a lubricant in supplement manufacturing to prevent ingredients from sticking to equipment. It is naturally found in animal and plant fats and is considered safe in small amounts. It does not affect the nutritional value of the supplement.

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Magnesium Stearate
Neutral

Standard formulation ingredient — neither beneficial nor harmful at typical use.

Risks

May inhibit the absorption of nutrients in some cases.

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Vegetable Source
Neutral

The term 'vegetable source' is vague and typically refers to plant-derived ingredients used in supplements. Without specific details, it is difficult to assess its impact. It is generally considered neutral unless specific components are identified.

Processing

Group 3 · Processed

Processed Foods

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