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Calcium Magnesium & Zinc

Sundown
4.7
(25011 ratings)
Calcium 1000 mg
Zinc 25 mg
Magnesium 400 mg
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Score91

High-potency mineral tablets providing a substantial dose of calcium, magnesium, and zinc. An affordable choice for foundational skeletal and immune support.

How scoring works
Quantity:100 Tablet(s)(33 servings)
Goals:
General Health
Immunity
Energy
Skin Health
Hair Health
Digestive Health
Sleep Support
Testosterone Support

Score 91

High-potency mineral tablets providing a substantial dose of calcium, magnesium, and zinc. An affordable choice for foundational skeletal and immune support.

How scoring works
$5.35($0.16 per serving)
iHerb
$ 5.35
Amazon
$ 9.99
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Analysis

Substantial doses of elemental calcium from carbonate and gluconate forms support primary skeletal mineralization. A 400 mg dose of magnesium provides foundational support for heart rhythm and muscle relaxation. These essential minerals work together to maintain the body's structural resilience and systemic balance.

Zinc citrate and zinc oxide offer 50 mg of this critical mineral for immune readiness and tissue repair. Using mixed mineral sources helps ensure a broad spectrum of nutrient delivery in a cost-effective format. The formula targets individuals seeking basic mineral replenishment at a very accessible price point.

Magnesium oxide and gluconate contribute to the overall elemental yield of the supplement. This simple combination focuses on the core minerals needed for metabolic and structural maintenance. The tablet delivery provides a concentrated source of macro-minerals for daily nutritional support.

Who is it for
  • Budget-conscious users needing basic minerals.
  • Individuals focusing on bone and muscle health.
  • People wanting high elemental yields of zinc and calcium.
Best for
  • Skeletal mineralization
  • General mineral status
  • Cost-effective supplementation

Pros

  • Very affordable price per serving.
  • High 50 mg dose of zinc.
  • Includes both calcium carbonate and gluconate.
  • Provides 400 mg of elemental magnesium.

Cons

  • Lacks copper for high-dose zinc balance.
  • Uses basic mineral forms (oxides).
  • Requires multiple tablets for a full serving.

Warnings

  • High zinc intake can deplete copper levels over time.
  • Magnesium oxide may cause digestive looseness.
  • Take with food to improve mineral absorption.

Nutrient quality

81 Highest impact

High elemental doses of zinc and calcium provide significant support for skeletal mineralization and systemic readiness. Reliance on inorganic mineral forms like magnesium oxide and zinc oxide may result in lower absorption compared to chelated options.

Ingredient transparency

95 Highest impact

Labeling clearly identifies the weights of all primary minerals, although the exact yields from each mixed form could be more explicit. Directions for daily use and all non-active tablet excipients are fully disclosed for the consumer.

Customer satisfaction

94 Highest impact

An exceptionally large volume of reviews with strong average ratings confirms broad consumer trust and satisfaction with the mineral blend. Widespread positive feedback indicates that the product consistently meets expectations for structural tissue goals.

Value for money

93 Highest impact

Exceptional price efficiency offers high doses of essential minerals at an extremely low cost per serving. Broad availability and meaningful dosages offer strong value for budget-conscious consumers seeking baseline nutrition.

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Goals

Impact
Highest effect
A+ Goal FitB Strength of SupportA- CoverageB+ Formula Quality

Essential minerals such as calcium, magnesium, and zinc are combined to support bone integrity and metabolic health. Zinc and magnesium are included at levels that assist in maintaining foundational resilience and daily vitality.

Selection of mixed mineral forms, including gluconate and oxide, provides a broad spectrum of nutrient sources. This combination addresses multiple pillars of general health in a single, efficient serving.

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Impact
High effect
A- Goal FitB Strength of SupportB- CoverageB Formula Quality

Broad mineral support is achieved through a combination of calcium, magnesium, and zinc. These foundational minerals support various physiological processes including cellular communication and metabolic readiness.

Zinc is included at a high dose of 50mg from a blend of oxide and citrate sources. This potent level provides significant support for defense cell activity but should be used with awareness of daily upper limits.

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Impact
High effect
B+ Goal FitB+ Strength of SupportC CoverageB Formula Quality

A 400 mg dose of magnesium from oxide and gluconate forms serves as a necessary cofactor for cellular energy production. This level of magnesium is well-aligned with requirements for supporting a healthy metabolic rate and physical vitality.

The high calcium-to-magnesium ratio may hinder the systemic uptake of both essential minerals. This supplement provides simple mineral support but lacks the vitamins or adaptogens needed for a comprehensive approach to energy.

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Impact
High effect
B Goal FitB+ Strength of SupportC- CoverageB+ Formula Quality

Calcium, magnesium, and zinc are combined in this formula to support overall metabolic and structural health. The inclusion of zinc is highly relevant for skin repair and the maintenance of a clear complexion through various enzymatic pathways.

By utilizing multiple forms of zinc, including citrate and oxide, the formula aims to provide a reliable supply of this essential mineral. This blend provides broad mineral support that may contribute to the underlying health of dermal and connective tissues.

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Impact
High effect
A- Goal FitC+ Strength of SupportC CoverageB Formula Quality

Zinc and magnesium are combined in this formula to support metabolic health and follicle activity. Zinc is provided from two different sources to offer a total of 50mg for structural hair support.

Calcium is also included, though it is less directly related to hair health than the other minerals. The absence of copper at this high zinc dose suggests it may be best suited for short-term use.

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Impact
High effect
C+ Goal FitB- Strength of SupportB- CoverageB Formula Quality

General mineral support provided by this supplement aligns with baseline nutritional needs that may indirectly support rest cycles. While the doses of magnesium and zinc are significant, the primary design focuses on bone health rather than targeted sleep onset or quality.

Magnesium (mixed forms), Zinc (mixed forms), and Calcium Carbonate are the key contributors, though the high ratio of calcium may compete with magnesium for absorption during the transition to sleep.

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Ingredients

IngredientAmount per serving
Calcium (Calcium Carbonate, Calcium Gluconate)
1000 mg
Magnesium (Magnesium Gluconate, Magnesium Oxide)
400 mg
Zinc (Zinc Citrate, Zinc Oxide)
25 mg
Gluten Free Adults 18–50 Dairy Free Sugar Free Vegetarian
Report overview
C+ Active Ingredient Quality & BioavailabilityD Dose, Safety & Label TransparencyA+ Value
Caplets provide a traditional blend of calcium, magnesium, and zinc for foundational mineral support. This formula is highly cost-effective, though it uses common mineral forms that are best taken with food.
D+ Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyB+ Value
Combining calcium, magnesium, and zinc supports broad bone and metabolic health goals. The high total zinc dose from mixed sources should be monitored if taken over a long period.
F Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyB- Value
Sundown Calcium Magnesium & Zinc provides a high-potency mineral combination intended for broad nutritional support. While it offers a therapeutic dose of magnesium, the heavy reliance on magnesium oxide may reduce the amount the body can effectively use. Its main appeal lies in its extreme affordability for budget-conscious consumers.
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