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Marine Based Cal-Mag 500/250 mg

Nature's Answer
4.6
★ ★ ★ ★ ★
(103 ratings)
Calcium 500 mg
Magnesium 250 mg
Product Image
Score 68

A marine-sourced liquid calcium and magnesium supplement with a 2:1 ratio, offering natural ingredients in an easy-to-take form, but includes less bioavailable magnesium hydroxide at a higher cost.

scaleQuantity:16 Liquid(s) • (32 servings)
track_changesGoals:
flag Bone Health
flag General Health
flag Cardiovascular Support
flag Fitness
flag Heart Health
flag Muscle Gain
flag Nail Health
flag Digestive Health

leaderboard Score 68

A marine-sourced liquid calcium and magnesium supplement with a 2:1 ratio, offering natural ingredients in an easy-to-take form, but includes less bioavailable magnesium hydroxide at a higher cost.

insightsAnalysis

Nature's Answer Marine Based Cal-Mag offers calcium and magnesium sourced from Aquamin red algae and seawater, providing a natural, multi-mineral complex. The liquid form can be beneficial for individuals who prefer not to swallow pills or desire potentially faster absorption. It delivers 1000mg of calcium and 500mg of magnesium, presenting a 2:1 ratio.

While the Aquamin source is a positive, a portion of the magnesium is supplied as magnesium hydroxide, which is typically less absorbed than other forms like citrate or glycinate. This product also contains some calories and carbohydrates, which might be a factor for certain dietary considerations. Its higher price per serving reflects the liquid, specialized sourcing.

thumb_upPros
  • Sourced from natural marine elements like Aquamin red algae and seawater.
  • Liquid form promotes potentially faster absorption and is easy to consume.
  • Provides a substantial 2:1 ratio of calcium to magnesium.
  • May offer additional trace minerals from the marine source.
thumb_downCons
  • Contains magnesium hydroxide, which is generally less bioavailable than other magnesium forms.
  • Higher price per serving compared to many capsule or tablet options.
  • Includes calories and carbohydrates, which some users may wish to avoid.
  • Lacks Vitamin D, often beneficial for calcium absorption.
warningWarnings
  • Magnesium hydroxide can have a laxative effect, especially at higher doses.
  • Those on calorie-restricted diets should account for the added calories and carbohydrates.
  • For optimal calcium absorption, consider pairing with a Vitamin D supplement or ensuring adequate dietary Vitamin D intake.
flagReport analysis
$18.37($0.57 per serving)
Vitacost
$ 18.37
iHerb
$ 26.24
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track_changesGoals
flagBone Health
Impact
High effect
The marine-derived calcium from Aquamin, along with magnesium, provides good foundational support for maintaining bone density and health, though the absence of Vitamin D is a consideration.
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flagGeneral Health
Impact
High effect
Provides a significant amount of two vital minerals from natural marine sources, supporting a broad spectrum of physiological processes important for overall health.
View goal →
flagHeart Health
Impact
High effect
Both calcium and magnesium play roles in heart muscle function and nerve signal transmission, supporting a healthy cardiovascular system.
View goal →
flagCardiovascular Support
Impact
High effect
Magnesium contributes to maintaining healthy blood pressure and heart rhythm, while calcium is essential for cardiac muscle activity, supporting cardiovascular wellness.
View goal →
flagFitness
Impact
High effect
As key electrolytes for muscle contraction and nerve impulses, these minerals support overall physical performance and aid in recovery after exercise.
View goal →
flagMuscle Gain
Impact
High effect
The concentrations of calcium and magnesium are essential for robust muscle function, contraction, and recovery, which are fundamental for individuals aiming to build muscle.
View goal →
flagNail Health
Impact
High effect
The essential minerals from a natural source contribute to overall structural health, which may indirectly support stronger and healthier nails.
View goal →
flagDigestive Health
Impact
Moderate effect
Magnesium hydroxide can have a mild laxative effect, which might influence digestive regularity for some individuals.
View goal →
scienceIngredients
IngredientAmount per serving
Calories
32 Calorie(s)
Total Carbohydrates
8 Gram(s)
Calcium
500 mg
Magnesium
250 mg
Sodium
15 mg
grain_off Gluten Free person Adults 18–50 eco Vegan eco Vegetarian
flagReport overview
Calcium 80
Calcium is sourced from Aquamin red algae and seawater, a natural and potentially multi-mineral source, offering a good dose in a liquid format.
scienceView ingredientinventory_2View products
Magnesium 60
While sourced from Aquamin seawater, a portion of the magnesium is in the less bioavailable magnesium hydroxide form, which limits its overall quality for systemic benefits.
scienceView ingredientinventory_2View products
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