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Calcium Citrate

NOW
4.7
★ ★ ★ ★ ★
(6919 ratings)
Calcium 600 mg
Copper 1 mg
Manganese 5 mg
Magnesium 300 mg
Product Image
Score97

A bioavailable calcium and magnesium formula with chelated trace minerals for complete skeletal maintenance.

How scoring works
Quantity:100 Tablet(s) • (50 servings)
Goals:
Bone Health
General Health
Energy
Digestive Health
Cardiovascular Support
Heart Health
Stress Relief
Joint Health
Testosterone Support

Score 97

A bioavailable calcium and magnesium formula with chelated trace minerals for complete skeletal maintenance.

How scoring works

Also available as

1 option
250 servings Calcium 600 mg, Magnesium 300 mg +2 more • 250 Tablet(s) • 125 servings $24.30 ($0.19 per serving)
$11.60($0.23 per serving)
Walmart
$ 15.96
iHerb
$ 12.24
Daily Vita
$ 11.60
Vitacost
$ 12.53
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Analysis

Calcium Citrate provides 600mg of calcium in a form recognized for easy digestion and high absorption. It is complemented by 300mg of magnesium to maintain a synergistic mineral balance essential for bone and muscle health. The formula includes Vitamin D2 and trace minerals like copper and zinc to support foundational systemic wellness.

Using amino acid chelates for the trace minerals ensures they are easily utilized by the body for tissue repair and maintenance. This tablet format is suitable for individuals who need foundational mineral replenishment at a competitive price. It offers a balanced approach to supporting skeletal density and metabolic function without unnecessary additives.

Pros

  • Excellent bioavailability from citrate form
  • Includes chelated zinc and copper
  • Very economical price per serving
  • Suitable for those with low stomach acid

Cons

  • Uses Vitamin D2 instead of the more active D3
  • Tablets can be large for some users

Warnings

  • Avoid taking at the same time as iron supplements for best absorption
  • Take with food to reduce the risk of stomach upset

Nutrient quality

96 Highest impact

Combination of citrate, aspartate, and amino acid chelate forms provides a high degree of mineral bioavailability. Doses are meaningful for supporting skeletal health while maintaining a safe balance among competitive minerals.

Ingredient transparency

100 Highest impact

Detailed labeling of chemical forms and elemental weights ensures high transparency for the end user. Clear identification of all components allows for an accurate assessment of the product's nutritional value.

Customer satisfaction

96 Highest impact

Exceptional volume of positive reviews confirms a high level of consumer trust and consistent product performance. User feedback highlights that the formula effectively meets expectations for skeletal and mineral support.

Value for money

94 Highest impact

Price per serving is very attractive given the use of bioavailable mineral forms like citrate and amino acid chelates. The formula offers significant mineral density for a modest price, representing high value within the category.

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Goals

Bone Health
Impact
Highest effect
A Goal FitA- Strength of SupportA CoverageA Formula Quality

This multi-mineral formula provides 600 mg of calcium citrate and 300 mg of magnesium to support structural bone density. It also includes several trace minerals like zinc, copper, and manganese, which are essential for matrix cross-linking and osteoblast activity.

While the breadth of mineral support is outstanding, the use of Vitamin D2 instead of the more bioavailable D3 is a significant drawback. The dosages of structural minerals are well-aligned with therapeutic needs for maintaining skeletal health.

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General Health
Impact
Highest effect
A Goal FitA- Strength of SupportA CoverageA Formula Quality

Calcium, magnesium, and Vitamin D2 combine with trace minerals like zinc and manganese to support skeletal health and metabolic function. This diverse matrix contributes to foundational systemic resilience and daily vitality.

Providing therapeutic doses of magnesium and zinc appears well-aligned with long-term wellness maintenance. This formulation supports multiple biological pathways through the use of bioavailable citrate and chelated mineral forms.

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Energy
Impact
Highest effect
A Goal FitA- Strength of SupportC- CoverageA- Formula Quality

Magnesium is a vital cofactor in the generation of ATP, the body's primary energy molecule. This broad mineral formula supports physical vitality and metabolic function through a blend of essential nutrients.

Active ingredients include magnesium aspartate and oxide alongside calcium citrate.

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Digestive Health
Impact
Highest effect
A- Goal FitB Strength of SupportB CoverageA- Formula Quality

Magnesium, zinc, and Vitamin D2 are the foundational elements included to address gastrointestinal needs. The combination of these minerals helps promote regular bowel movements and maintains a healthy intestinal barrier.

Providing 300mg of magnesium ensures adequate support for gut motility through mechanical relaxation of the intestinal wall. The addition of zinc further supports the structural integrity of the gut lining for comprehensive wellness.

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Cardiovascular Support
Impact
High effect
A- Goal FitB- Strength of SupportC CoverageA Formula Quality

This formula provides 600mg of Magnesium from Aspartate and Oxide alongside Calcium and Vitamin D2. These minerals are essential for managing heart rhythm and maintaining vascular relaxation.

Supporting cardiovascular health with meaningful doses of magnesium and trace minerals appears well aligned. However, the inclusion of Magnesium Oxide and Vitamin D2 represents the use of less optimal forms for heart support.

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Heart Health
Impact
High effect
B+ Goal FitB Strength of SupportC+ CoverageA- Formula Quality

Magnesium aspartate and zinc are essential for cardiovascular health by supporting heart rhythm and antioxidant defenses. These minerals contribute to the maintenance of healthy vascular tone and overall circulatory function.

A therapeutic 300 mg dose of magnesium provides meaningful support for heart-related wellness goals. While the blend includes more absorbable forms like aspartate, the presence of magnesium oxide reduces the overall bioavailability compared to pure chelated supplements.

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Ingredients

IngredientAmount per serving
Vitamin D2 (Ergocalciferol)
 10 mcg
Calcium (Calcium Citrate)
 600 mg
Magnesium (Magnesium Aspartate, Magnesium Oxide)
 300 mg
Zinc (Zinc Amino Acid Chelate)
 15 mg
Copper (Copper AAC)
 1 mg
Manganese (Manganese AAC)
 5 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
Calcium (Calcium Citrate) · 600 mg OverallScore94
A- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
This high-quality supplement features calcium citrate for superior absorption, combined with magnesium and zinc for comprehensive bone support. It is a well-formulated product that maintains excellent purity and affordability.
View ingredientView products
Copper (Copper AAC) · 1 mg OverallScore93
A+ Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyA Value
These calcium citrate tablets include high-quality chelated copper and zinc for balanced support. The superior mineral forms and clear labeling make this a highly bioavailable and safe option.
View ingredientView products
Manganese (Manganese AAC) · 5 mg OverallScore92
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
This multi-mineral skeletal support supplement provides a bioavailable form of manganese at an exceptional price. It is a highly efficient way to support bone density and connective tissue.
View ingredientView products
97 Value

Calcium Citrate

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Cal-Mag Citrate 2:1 Ratio

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4.7
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Cal-Mag Caps

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Calcium Magnesium plus Zinc

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97 Value

Calcium Citrate

NOW
4.6
★★★★★
(248 ratings)
Delivers the same high-quality bioavailable mineral blend in a larger quantity, improving its cost-effectiveness for long-term use. It continues to provide trace mineral chelates like manganese and copper for connective tissue support.
Other sellers (2)
96 Value

Calcium Citrate Caps

NOW
4.8
★★★★★
(2262 ratings)
Provides bioavailable calcium citrate and chelated trace minerals in an efficient capsule format that avoids common binders. It offers a precise way to track nutrient intake while supporting skeletal structural integrity.
Other sellers (3)
91 Value

Calcium Citrate Magnesium Vitamin D3

Bluebonnet
4.5
★★★★★
(3602 ratings)
Utilizes magnesium aspartate and calcium citrate to support skeletal density through highly absorbable organic acid salts. The inclusion of cholecalciferol assists in mineral transport and remodeling processes.
Other sellers (4)
95 Performance

Chelated Calcium Magnesium 1:1

Solgar
4.7
★★★★★
(510 ratings)
Combines organic chelates like calcium glycinate and magnesium citrate in a balanced 1:1 ratio for superior digestive tolerance. This selection supports healthy heart rhythms and muscular function through high-quality mineral forms.
Other sellers (0)
97 Performance

Magnesium & Calcium

NOW
4.8
★★★★★
(33692 ratings)
Incorporates magnesium glycinate and taurinate with Aquamin minerals for advanced systemic absorption and cardiovascular support. It provides a more potent dose of magnesium to assist with muscle relaxation and metabolic vitality.
Other sellers (6)
91 Performance

Cal-Mag Citrate 2:1 Ratio

Solaray
4.7
★★★★★
(2005 ratings)
Pairs a significant dose of calcium and magnesium citrate with Vitamin D3 to support efficient mineral transport and skeletal integrity. This formulation is well-aligned with nutritional guidelines for maintaining bone density.
Other sellers (4)
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