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Liquid Calcium & Magnesium

Swanson
4.8
★ ★ ★ ★ ★
(357 ratings)
Calcium 600 mg
Magnesium 300 mg
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Score90

A budget-friendly softgel that provides essential minerals for daily bone and heart support.

How scoring works
Quantity:100 Softgel(s) • (50 servings)
Goals:
Bone Health
General Health
Heart Health
Energy

Score 90

A budget-friendly softgel that provides essential minerals for daily bone and heart support.

How scoring works
$8.49($0.16 per serving)
iHerb
$ 8.99
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Analysis

This supplement provides a simple way to maintain daily levels of calcium and magnesium. It uses calcium carbonate and magnesium oxide, which are standard ingredients that help support your bones and heart health.

While these forms aren't the most bioavailable, they are very common for general maintenance. This is a practical choice for filling small nutritional gaps in your diet at a very low cost per day.

Pros

  • Very low price per serving
  • Easy-to-swallow liquid softgels
  • Good amount of elemental calcium

Cons

  • Uses magnesium oxide which has lower absorption
  • Lacks Vitamin D to help with calcium use

Warnings

  • Magnesium oxide can have a laxative effect for some
  • Check with a professional if you have kidney issues

Nutrient quality

75 High impact

Dosages for calcium and magnesium are meaningful for basic maintenance needs. The use of poorly absorbed magnesium oxide is a primary weakness for systemic bioavailability.

Ingredient transparency

97 Highest impact

The label clearly identifies the chemical forms of the minerals used. Simple formulation ensures that active amounts are easily understood by the consumer.

Customer satisfaction

89 Highest impact

A high rating from a solid number of reviews suggests that users find the softgels easy to take. The product meets expectations as a budget-friendly mineral supplement.

Value for money

98 Highest impact

At $0.16 per serving, this product offers extreme value for basic mineral supplementation. While forms are basic, the price-to-dose ratio is highly competitive.

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Goals

Bone Health
Impact
Highest effect
A- Goal FitB Strength of SupportC+ CoverageA- Formula Quality

Calcium carbonate and magnesium oxide provide a strong structural supply of the primary minerals needed for building bone mineral density. The liquid softgel delivery system is intended to assist in the dissolution of these inorganic salts, potentially improving their systemic uptake.

The 2:1 ratio of calcium to magnesium follows standard nutritional recommendations for maintaining mineral homeostasis. However, the formula lacks signaling cofactors like vitamin D3 and K2, which are required for the correct biological transport and utilization of the structural material.

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General Health
Impact
High effect
A Goal FitC+ Strength of SupportB- CoverageA- Formula Quality

Calcium carbonate and magnesium oxide combine to support skeletal foundations and foundational mineral status. This balanced combination may contribute to daily vitality and systemic wellness through maintenance-level support.

Providing 300 mg of magnesium and 600 mg of calcium appears well-aligned with foundational health goals. While these inorganic forms are standard, they offer a reliable way to support systemic resilience and fill common mineral gaps.

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

Magnesium and calcium support cardiovascular health by maintaining electrical stability and vascular tone. The liquid softgel format may enhance mineral solubility and absorption compared to traditional hard tablets.

The 300mg dose of magnesium oxide provides modest maintenance support for blood pressure management. The reliance on the poorly absorbed oxide form limits the formula's effectiveness for intensive cardiovascular support.

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Energy
Impact
High effect
B+ Goal FitC- Strength of SupportD CoverageB+ Formula Quality

This liquid softgel blend provides maintenance doses of calcium and magnesium to support structural and metabolic health. While these minerals are essential, the reliance on magnesium oxide limits its utility for systemic energy enhancement.

Ingredients such as magnesium oxide act as cofactors for cellular respiration processes. However, the 300mg dose and the choice of a less absorbable form may not provide a significant lift in physical vitality compared to chelated mineral products.

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Digestive Health
Impact
Moderate effect
B Goal FitC+ Strength of SupportD+ CoverageD+ Formula Quality

This liquid softgel provides a maintenance dose of 300mg of magnesium along with 600mg of calcium. While it offers convenient liquid delivery, the reliance on magnesium oxide limits its overall absorption potential.

Calcium Carbonate and Magnesium Oxide are the active ingredients.

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Stress Relief
Impact
Moderate effect
B- Goal FitD+ Strength of SupportD+ CoverageB- Formula Quality

Magnesium oxide and calcium carbonate are combined in these softgels to support mineral balance and muscle relaxation. Each serving provides 300 mg of magnesium, which helps regulate the body's nervous system activity.

The 2:1 ratio of calcium to magnesium is a traditional formulation for bone health. However, high levels of calcium may compete with magnesium for absorption, potentially reducing its efficacy for stress relief.

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Ingredients

IngredientAmount per serving
Calories
20 Calorie(s)
Total Fat
1.5 Gram(s)
Calcium (Calcium Carbonate)
 600 mg
Magnesium (Magnesium Oxide)
 300 mg
Adults 18–50
Report overview
Calcium (Calcium Carbonate) · 600 mg OverallScore80
C+ Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyA+ Value
Swanson's liquid-filled softgels provide a well-absorbed form of calcium carbonate for easy integration into a daily routine. They offer excellent value and a standard dose that is ideal for bone health maintenance.
View ingredientView products
Magnesium (Magnesium Oxide) · 300 mg OverallScore52
F Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyD+ Value
This liquid softgel provides a maintenance dose of 300mg of magnesium along with 600mg of calcium. While it offers convenient liquid delivery, the reliance on magnesium oxide limits its overall absorption potential.
View ingredientView products
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