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Calcium Citrate Complex

4.8
★ ★ ★ ★ ★
(1092 ratings)
Calcium 250 mg
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Score82
A citrate-and-carbonate blend improves on carbonate alone while keeping the formula simple. Form blending and limited complementary nutrients are the main trade-offs.
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Capsule
Quantity:100 Capsule(s) • (100 servings)
Goals:

Score 82

A citrate-and-carbonate blend improves on carbonate alone while keeping the formula simple. Form blending and limited complementary nutrients are the main trade-offs.
How scoring works
$11.09($0.11 per serving)
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$ 11.09
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$ 11.09
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Analysis

Combining calcium citrate with carbonate gives the formula more flexibility than carbonate alone. Citrate is less dependent on stomach acid, while carbonate adds a concentrated source of elemental calcium.

The supplied label attaches amounts to both sources, but the practical elemental contribution of the blend is not fully clear from that presentation. Taking it with food is sensible because part of the calcium comes from carbonate.

A focused capsule can work well for people who already obtain vitamin D and other cofactors elsewhere. It remains a narrow calcium product rather than a complete bone-support blend.

Who is it for
  • Adults seeking a mixed-form calcium supplement
  • People who already obtain vitamin D elsewhere
  • Users wanting a simple daily capsule
Best for
  • Basic calcium supplementation
  • A compromise between citrate and carbonate
  • Pairing with an established bone-health routine

Pros

  • Includes calcium citrate as part of the blend
  • Clearly identifies both calcium sources
  • Focused formula is easy to combine with other nutrients

Cons

  • Carbonate portion is more dependent on food and stomach acid
  • Elemental contribution of each source is not fully clear
  • No vitamin D, vitamin K, or magnesium

Warnings

  • Calcium can reduce levothyroxine absorption, so follow the medication instructions for spacing the doses.
  • Separate calcium from tetracycline or quinolone antibiotics by the interval stated by the prescriber or pharmacist.
  • Supplemental calcium can cause constipation or bloating; dividing intake may improve tolerance when the label permits it.
  • Calcium carbonate generally works best with food and may be less dependable when stomach acid is low or acid-suppressing medicine is used.

Nutrient quality

84 Highest impact

The citrate and carbonate mix offers average form quality at a useful maintenance amount. A focused formula avoids padding, though the repeated calcium listing makes the effective dose less certain.

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Ingredient transparency

77 High impact

Active amounts and serving counts are mostly clear from the supplied label facts. Missing non-active ingredients and complete directions leave practical disclosure gaps.

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Customer satisfaction

72 High impact

The aggregate rating is strong and supported by a large feedback volume. Specific experience details are missing, so recurring problems and purpose fit remain uncertain.

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Value for money

95 Highest impact

The mixed calcium forms provide good quality for the accessible cost. Serving value is exceptionally strong for a focused calcium supplement.

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Ingredients

IngredientAmount per serving
Calcium (Calcium Carbonate, Calcium Citrate)
 250 mg
Adults 18–50
Report overview
Calcium (Calcium Carbonate, Calcium Citrate) · 250 mg OverallScore84
B Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyA+ Value

The citrate and carbonate blend improves on carbonate alone but is not fully premium. The 250 mg serving provides a useful amount but may require another daily dose for higher needs. Calcium can reduce absorption of levothyroxine and tetracycline or quinolone antibiotics, so doses should be separated.

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88 Performance

Calcium Citrate Pure Powder

NOW
<p>Calcium citrate supplies a substantial, well-absorbed dose in a simple powder with clear active disclosure. Compared with Calcium Citrate Complex, its calcium form and supporting nutrients may be a better fit where the effective elemental amount is not fully clear because calcium appears in repeated entries, while the focused formula offers strong value but does not provide vitamin D, vitamin K, or magnesium.</p>
82 Performance

Calcium Citrate

Nature's Way
<p>Citrate and malate improve absorption quality within the mixed calcium formula. Compared with Calcium Citrate Complex, its calcium form and supporting nutrients may be a better fit where the effective elemental amount is not fully clear because calcium appears in repeated entries, while active doses are clear, while missing excipient and full use details limit transparency.</p>
85 Performance

Cal/Mag 500 mg/250 mg

NaturesPlus
<p>Chelated calcium and magnesium provide a focused, balanced mineral formula with strong form quality. Compared with Calcium Citrate Complex, its calcium form and supporting nutrients may be a better fit where the effective elemental amount is not fully clear because calcium appears in repeated entries, while a simple one-serving format and economical cost make it one of the better value profiles in this set.</p>
83 Budget

Citracal Petites Calcium Citrate +D3

Bayer Citracal
<p>A long-supply calcium formula pairs a moderate calcium amount with vitamin D3 in a compact serving. Its lower recurring cost than Calcium Citrate Complex makes it a more economical calcium option, while the calcium source is not explicit in the supplied ingredient details, which limits confidence in its claimed citrate form.</p>
82 Budget

Calcium Citrate 600 mg

Spring Valley
<p>A simple calcium product provides a meaningful amount and a long supply at low daily cost. Its lower recurring cost than Calcium Citrate Complex makes it a more economical calcium option, while the supplied ingredient details do not confirm the citrate form named in the product title, limiting absorption confidence.</p>
82 Budget

Calcium (Carbonate Aspartate & Citrate) 500 mg

Swanson Premium Brand
<p>A mixed calcium-salt formula provides a useful elemental serving, with citrate improving absorption flexibility. Its lower recurring cost than Calcium Citrate Complex makes it a more economical calcium option, while repeated form amounts make the contribution of each salt unclear, despite strong practical value.</p>
88 Value

Calcium Hydroxyapatite Caps

NOW
<p>Hydroxyapatite supplies a practical calcium amount with naturally paired phosphorus in a simple capsule. Compared with Calcium Citrate Complex, its calcium profile offers a practical quality-to-cost trade-off despite not costing less, while clear dosing, strong form quality, and favorable serving value make the formula well suited to routine bone support.</p>
85 Value

Cal/Mag Caps

NaturesPlus
<p>Soy amino acid chelates provide a focused calcium-magnesium formula with balanced doses and strong form quality. Compared with Calcium Citrate Complex, its calcium profile offers a practical quality-to-cost trade-off despite not costing less, while good ratings and economical servings support solid value, though the review base is smaller than leading products.</p>
85 Value

600+D3

21st Century
<p>Calcium carbonate and vitamin D3 provide a focused bone-support pairing at exceptionally accessible value. Compared with Calcium Citrate Complex, its calcium profile and lower recurring cost create a more favorable quality-to-cost balance, while the calcium amount is reasonably sized, though carbonate works best with food and offers less flexibility than citrate. Calcium should be separated from levothyroxine and tetracycline or quinolone antibiotics because it can reduce their absorption.</p>
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