$20.80 $0.26 per serving
Product analysis
Calcium Citrate Caps combines calcium with vitamin D and other minerals to help fill nutritional gaps that matter for normal bone health. Magnesium oxide is a weaker choice for absorption, reducing the appeal if magnesium is a main reason for buying it.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality44
Calcium citrate is a favorable choice for absorption, while magnesium oxide is a weaker part of the formula. Some other mineral forms offer reasonable quality, but the vitamin D and zinc contributions cannot be judged as confidently.
Ingredient Transparency100
All listed nutrient amounts and forms are disclosed. That makes the formula easier to compare with dietary needs and other mineral supplements.
Value For Money59
Calcium offers very good value, with favorable value from copper and manganese as well. Magnesium’s less favorable form weakens that part of the purchase, while vitamin D and zinc value remain uncertain.
Customer Satisfaction87
Customer feedback is very positive across thousands of ratings. The review base supports the satisfaction picture without establishing health benefits.
Product Focus66
Bone nutrition is the clearest purpose, combining calcium, vitamin D and supporting minerals. The formula also spans other nutritional roles, but broad effects on stress, energy or hormones are less certain.
- Format
Capsule - Container
- 240 Capsule(s)
- Per serving
- $0.26
- Customer rating
- 4.8 · 2,275 ratings
Goals
Impact
Highest effect
Magnesium · 225 mgCalcium · 450 mgVitamin D · 19 mcgCopper · 0.75 mgManganese · 4 mgZinc · 11 mg
Calcium provides material for normal bone mineralization, vitamin D supports calcium absorption and regulation, and magnesium contributes to normal bone metabolism. These nutrients can help fill dietary shortfalls, without establishing reliable fracture prevention in already well-nourished adults. Copper also supports collagen structure when intake is low; extra copper has no established bone benefit once needs are met.
How this product is rated for Bone Health
Ingredient fit73
The formula contains several bone-related nutrients with clearly declared amounts.
Goal fit
The included nutrients relate to bone support, though the product is associated with broader goals.
Dose adequacy
Calcium and magnesium provide meaningful mineral amounts, while vitamin D offers a smaller nutritional contribution.
Pathways91
Mineral supply is the strongest aspect, alongside calcium regulation and collagen-matrix functions.
Depth
Bone mineral supply is the strongest represented aspect.
Breadth
Mineral supply, calcium regulation and collagen-matrix functions are represented.
Evidence100
Calcium supplies the strongest supporting evidence for nutritional gap-filling; fracture outcomes remain mixed.
Evidence strength
Calcium provides the strongest evidence, supporting intake adequacy with mixed fracture-trial findings.
Studied preparation
The included preparations are accepted in the supplied findings; this does not establish superior bone outcomes for particular mineral salts.
Formulation logic100
The included nutrients have any expected companions and meet the minimum amount criterion; no assessed conflict was found.
Partner coverage
Calcium and vitamin D are both present; other included nutrients can contribute independently.
Conflicts
No assessed ingredient conflict was found.
Effective doses
All included contributors meet the minimum amount criterion; that does not establish a clinically effective dose for every nutrient.
Impact
High effect
Vitamin D · 19 mcgMagnesium · 225 mgZinc · 11 mg
Magnesium and calcium supply minerals involved in normal bone and mineral processes, and vitamin D contributes to related nutrient needs. Magnesium also supports normal energy metabolism, while zinc contributes to normal immune function. These contributions can help fill dietary gaps. The declared citrate, oxide and chelated forms do not establish superior broad health effects, and nutritional adequacy limits expectations of additional benefit.
How this product is rated for Everyday Health
Ingredient fit71
Magnesium, Vitamin D, Zinc and Calcium provide the main relevant nutrients. Their amounts vary in their contribution against the supplied references.
Goal fit
Magnesium, Vitamin D, Zinc and Calcium account for the main nutritional connection to general health.
Dose adequacy
Amounts make uneven contributions against the supplied references; smaller or unresolved amounts limit what can be attributed to the serving.
Pathways65
The retained contributions concern energy metabolism, bone and mineral processes. These are nutrient roles, rather than proof of broader health improvement.
Depth
The strongest supplied finding concerns energy metabolism; this describes nutrient-related support, not a measured health improvement.
Breadth
The retained contributions span energy metabolism, bone and mineral processes.
Evidence86
Magnesium leads the retained evidence finding. The practical general-health interpretation remains nutritional support when intake falls short.
Evidence strength
Magnesium provides the strongest retained evidence finding; its nutritional role does not establish additional benefit above adequate intake.
Studied preparation
The retained preparations match those accepted in the supplied comparison, without establishing that one form is superior.
Formulation logic100
The retained ingredients have no unmet partner requirement or configured conflict. Their amounts meet the supplied minimum comparison criterion.
Partner coverage
The retained ingredients can contribute alone or have their required partner; this does not establish extra benefit from combining them.
Conflicts
No configured ingredient conflict was identified in the supplied findings; this is not a comprehensive safety assessment.
Effective doses
All retained ingredients meet the supplied minimum amount criterion; that criterion is not a proven effective dose.
Impact
Moderate effect
Vitamin D · 19 mcgMagnesium · 225 mg
Magnesium at 225 mg supports normal energy metabolism, and vitamin D at 19 mcg adds nutritional support. Both amounts make partial contributions in the supplied comparison. The support is nutritional rather than a direct increase in alertness or exercise capacity.
How this product is rated for Energy
Ingredient fit50
Energy-related ingredients sit alongside broader nutritional or other uses. The counted amounts provide partial support, with smaller or unresolved amounts limiting some contributions.
Goal fit
Energy-related ingredients sit alongside broader nutritional or other uses.
Dose adequacy
The counted amounts provide partial support, with smaller or unresolved amounts limiting some contributions.
Pathways0
The saved contribution is nutritional, without meaningful coverage of the specific alertness or performance mechanisms assessed. No specific energy mechanism reaches the saved coverage threshold.
Depth
The saved contribution is nutritional, without meaningful coverage of the specific alertness or performance mechanisms assessed.
Breadth
No specific energy mechanism reaches the saved coverage threshold.
Evidence95
Vitamin D supplies the strongest relevant evidence at a counted amount, with benefits limited to the particular contexts and outcomes assessed. The preparations counted here match those recognized in the supplied evidence.
Evidence strength
Vitamin D supplies the strongest relevant evidence at a counted amount, with benefits limited to the particular contexts and outcomes assessed.
Studied preparation
The preparations counted here match those recognized in the supplied evidence.
Formulation logic100
The counted ingredients can contribute independently or have their needed partner. No configured ingredient conflict was identified. All ingredients counted here reach a meaningful amount in the saved comparison.
Partner coverage
The counted ingredients can contribute independently or have their needed partner.
Conflicts
No configured ingredient conflict was identified.
Effective doses
All ingredients counted here reach a meaningful amount in the saved comparison.
Impact
Moderate effect
Magnesium · 225 mgVitamin D · 19 mcg
Magnesium at 225 mg contributes to normal electrolyte balance and blood-vessel function, with modest and inconsistent blood-pressure findings. Vitamin D provides nutritional support but has not shown general cardiovascular event reduction in the supplied trial evidence.
How this product is rated for Heart Health
Ingredient fit51
Heart-related ingredients share the formula with ingredients aimed at other nutritional needs. The declared amounts provide partial support against the saved dose benchmarks.
Goal fit
Heart-related ingredients share the formula with ingredients aimed at other nutritional needs.
Dose adequacy
The declared amounts provide partial support against the saved dose benchmarks.
Pathways42
Electrolyte balance and blood-vessel tone are the strongest mechanism in the saved findings. One of the three target mechanisms reaches the saved coverage threshold.
Depth
Electrolyte balance and blood-vessel tone are the strongest mechanism in the saved findings.
Breadth
One of the three target mechanisms reaches the saved coverage threshold.
Evidence89
Magnesium provides the strongest saved evidence rating here, with modest and inconsistent blood-pressure findings. The saved assessment recognizes the preparations of the ingredients included at qualifying amounts.
Evidence strength
Magnesium provides the strongest saved evidence rating here, with modest and inconsistent blood-pressure findings.
Studied preparation
The saved assessment recognizes the preparations of the ingredients included at qualifying amounts.
Formulation logic100
No required ingredient partner is missing in the saved findings. No configured ingredient conflict was found in the saved assessment. All ingredients included in this finding reach the saved minimum dose threshold.
Partner coverage
No required ingredient partner is missing in the saved findings.
Conflicts
No configured ingredient conflict was found in the saved assessment.
Effective doses
All ingredients included in this finding reach the saved minimum dose threshold.
Impact
Moderate effect
Vitamin D · 19 mcgMagnesium · 225 mg
Magnesium may help you feel less stressed if your magnesium levels are low. Zinc and vitamin D also have a possible connection to anxiety or stress that depends on nutritional status and particular health circumstances. Together, these ingredients don't guarantee broad, lasting relief from everyday stress.
How this product is rated for Stress Relief
Ingredient fit56
Magnesium, zinc and vitamin D provide the relevant connection to stress relief. The benefit depends on the ingredient and the circumstances, rather than simply their presence.
Goal fit
Magnesium, zinc and vitamin D relate to stress relief, alongside ingredients with other nutritional purposes
Dose adequacy
Each serving supplies 225 mg magnesium, 11 mg zinc and 19 mcg vitamin D; these amounts fall below their respective upper comparison anchors.
Pathways17
The main connection concerns calming, with additional conditional links through zinc and vitamin D. These are not a promise of broad stress relief.
Depth
Magnesium provides the clearest connection to calming, with benefits conditional on low magnesium or particular health circumstances.
Breadth
The possible benefit is concentrated on calming; broader effects across different aspects of stress are uncertain.
Evidence76
Magnesium may help with stress in people with low magnesium or particular health circumstances. Broad, lasting everyday relief is uncertain.
Evidence strength
Magnesium’s possible stress benefit is conditional; it is not a reliable promise of lasting everyday relief.
Studied preparation
The declared Magnesium Oxide preparation is compatible with the magnesium information; this does not guarantee a stress benefit.
Formulation logic100
The relevant ingredients have no identified missing partner or particular conflict. This does not indicate an additional benefit from combining them.
Partner coverage
No required partner is missing for the relevant ingredients.
Conflicts
No particular ingredient conflict is identified.
Effective doses
Each serving supplies 225 mg magnesium, 11 mg zinc and 19 mcg vitamin D; these amounts fall below their respective upper comparison anchors.
Impact
High effect
Magnesium · 225 mgZinc · 11 mgVitamin D · 19 mcg
Zinc helps maintain normal testosterone when low intake or deficiency impairs hormone function. Repletion findings concern zinc-deficient men; more zinc has not been shown to raise testosterone further when intake is adequate. Magnesium findings concern selected exercise conditions rather than a reliable additional testosterone effect. Vitamin D does not establish hormone enhancement in nutrient-replete adults.
How this product is rated for Testosterone Support
Ingredient fit56
Zinc, Vitamin D, Magnesium provide the relevant declared ingredients; their human hormone findings constrain what the serving amounts can mean.
Goal fit
The retained testosterone-related ingredients sit within a broader formula containing ingredients serving other purposes.
Dose adequacy
The declared amounts provide partial contributions to the amount comparison, without establishing a testosterone increase.
Pathways55
The strongest represented area is free-testosterone availability, without establishing that supplementation changes this outcome in routine use. Coverage reaches the comparison threshold for free-testosterone availability, with limited breadth across other hormone-related areas.
Depth
The strongest represented area is free-testosterone availability, without establishing that supplementation changes this outcome in routine use.
Breadth
Coverage reaches the comparison threshold for free-testosterone availability, with limited breadth across other hormone-related areas.
Evidence93
The retained evidence chiefly reflects Zinc, with preparation matching considered separately from applicability to routine use.
Evidence strength
Zinc supplies the strongest retained evidence contribution, subject to its population-specific limitations.
Studied preparation
The retained contributing preparations meet the matching check; this does not establish broader testosterone benefits beyond the studied populations.
Formulation logic100
The retained contributors satisfy the required-partner and minimum-amount checks, and no listed conflict was triggered.
Partner coverage
No retained contributor is missing a required partner in these checks; combining them does not establish a greater hormone effect.
Conflicts
No listed ingredient conflict was triggered by the supplied facts.
Effective doses
All retained contributors meet the minimum amount threshold, which is a comparison convention rather than a proven testosterone-enhancing dose.
Impact
Moderate effect
Magnesium · 225 mgVitamin D · 19 mcg
Calcium Citrate Caps lists 225 mg magnesium oxide and 19 mcg vitamin D alongside calcium, copper, manganese, and zinc. Magnesium supplies the closest blood-pressure pathway support, while vitamin D adds a smaller contribution; the formula falls short of broad pathway coverage.
How this product is rated for Cardiovascular Support
Ingredient fit51
Magnesium and vitamin D relate to this goal, while the other listed minerals are additional actives.
Goal fit
Magnesium and vitamin D fit the goal; calcium, copper, manganese, and zinc have no cardiovascular role in the supplied context.
Dose adequacy
The serving lists 225 mg magnesium oxide and 19 mcg vitamin D; both amounts are clear but below their highest comparison amounts.
Pathways20
Magnesium comes closest to a blood-pressure pathway, but its coverage sits just below the breadth threshold.
Depth
Vascular tone and sodium balance is the clearest pathway, but it falls just short of substantial coverage.
Breadth
None of the three target routes has enough coverage; vascular tone comes close.
Evidence79
Magnesium provides the strongest evidence, while both credited ingredients use studied preparations at relevant amounts.
Evidence strength
Magnesium is the strongest credited ingredient, with evidence below the goal's top ceiling.
Studied preparation
Magnesium and vitamin D use preparations represented in relevant studies at effective amounts.
Formulation logic100
The contributing ingredients work alone, and no listed conflict is triggered by the available serving facts.
Partner coverage
Magnesium and vitamin D can contribute without a required partner.
Conflicts
No caffeine, stimulant, or high-sodium issue appears in the available ingredient facts.
Effective doses
Both magnesium and vitamin D reach their comparison thresholds.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin D2 (Ergocalciferol) | 19 mcg | |
Calcium (Calcium Citrate) | 450 mg | |
Magnesium (Magnesium Oxide) | 225 mg | |
Zinc (Zinc Amino Acid Chelate) | 11 mg | |
Copper (Copper Amino Acid Chelate) | 0.75 mg | |
Manganese (Manganese Amino Acid Chelate) | 4 mg |
Manganese (Manganese Amino Acid Chelate) · 4 mg OverallScore84
A serving provides 4 mg of manganese as manganese amino acid chelate. The amount aligns with the evaluation’s bone and joint support target.
How this ingredient is rated
Active Ingredient Quality & Bioavailability70
Manganese Amino Acid Chelate is a chelated form; its absorption has not been established as equivalent to specific named chelates.
Manganese Chemical Form
Manganese Amino Acid Chelate is a chelated form; its absorption has not been established as equivalent to specific named chelates.
Dose, Safety & Label Transparency100
The stated 4 mg per serving aligns with the bone and joint support target.
Manganese Dosage Efficacy & Safety
The 4 mg per serving aligns with the evaluation’s target for bone and joint support.
Elemental Weight Disclosure
The label states both the 4 mg manganese amount and its source.
Value80
At about $0.26 per whole-product serving, the price is below the collection midpoint.
Price per Serving vs. Median
At about $0.26 per whole-product serving, the price is below the collection midpoint.
Calcium (Calcium Citrate) · 450 mg OverallScore94
Each serving provides 450 mg of calcium as calcium citrate. The whole product costs about $0.26 per serving.
How this ingredient is rated
Active Ingredient Quality & Bioavailability86
The label identifies calcium citrate and states the amount of elemental calcium.
Calcium Form & Absorption Potential
Calcium citrate is the named calcium source.
Elemental Calcium Transparency
The label gives 450 mg of elemental calcium per serving.
Dose, Safety & Label Transparency100
The serving provides 450 mg of elemental calcium. No targeted artificial-additive or flow-agent claims are recorded in the evaluation; the sugar amount is unavailable.
Absorption-Optimized Serving Dose
The serving provides 450 mg of elemental calcium.
Formulation Purity & Additives
No targeted artificial-additive or flow-agent claims are recorded in the evaluation; the sugar amount is unavailable.
Value100
The whole product costs about $0.26 per serving.
Price Per Serving Efficiency
The whole product costs about $0.26 per serving.
Copper (Copper Amino Acid Chelate) · 0.75 mg OverallScore57
A serving provides 0.75 mg of copper as an amino acid chelate, a relatively small amount. Its zinc-to-copper ratio is 14.7:1, within the balance favored in the evaluation.
How this ingredient is rated
Active Ingredient Quality & Bioavailability58
An amino acid chelate is named and the copper amount is stated, but the specific amino acid is unresolved in the saved facts.
Copper Form Bioavailability
An amino acid chelate is named; the specific amino acid is unresolved in the saved facts.
Elemental Copper Labeling Clarity
The label states 0.75 mg of elemental copper and names its source.
Dose, Safety & Label Transparency44
The serving has 11 mg zinc and 0.75 mg copper, a 14.7:1 zinc-to-copper ratio within the balance favored in the evaluation.
Copper Dosage Safety & Efficacy
The selected serving provides 0.75 mg of elemental copper, a relatively small amount.
Zinc-to-Copper Balance
The serving has 11 mg zinc and 0.75 mg copper, a 14.7:1 zinc-to-copper ratio within the balance favored in the evaluation.
Value80
A whole-product serving costs about $0.26.
Price Per Serving Efficiency
The price is about $0.26 per whole-product serving.
Alternative products
Report alternatives
Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- What is the impact of daily oral supplementation of vitamin D3 (cholecalciferol) plus calcium on the incidence of hip fracture in older people? A systematic review and meta-analysis.
- Calcium supplementation prevents seasonal bone loss and changes in biochemical markers of bone turnover in elderly New England women: a randomized placebo-controlled trial.
- The effects of calcium supplementation (milk powder or tablets) and exercise on bone density in postmenopausal women.
- The efficacy of calcium supplementation alone in elderly Thai women over a 2-year period: a randomized controlled trial.
- Calcium-enriched foods and bone mass growth in prepubertal girls: a randomized, double-blind, placebo-controlled trial.
- The Association between Dietary and Circulating Copper Levels and Osteoporosis: a Scoping Review.
- Association between dietary copper, iron, zinc, selenium intake and osteopenia or osteoporosis in elderly hypertensive patients: a retrospective cohort study.
- Associations of dietary copper intake with total bone mineral density and lumbar spine bone mineral density in American adults.
- The association between dietary mineral intake and bone mineral density: a cross-sectional study.
- Association between dietary copper intake and bone mineral density in children and adolescents aged 8-19 years: A cross-sectional study.
- Association between Serum Magnesium and Fractures: A Systematic Review and Meta-Analysis of Observational Studies.
- Bioabsorbable Magnesium-Based Materials Potential and Safety in Bone Surgery: A Systematic Review.
- Vascularized bone grafting fixed by biodegradable magnesium screw for treating osteonecrosis of the femoral head.
- An update on magnesium and bone health.
- Sex-specific differences in the association of magnesium intake with femoral neck bone mineral density among older adults.
- Risk of Environmental Chemicals on Bone Fractures Is Independent of Low Bone Mass in US Adults: Insights from 2017 to 2018 NHANES.
- The Manganese-Bone Connection: Investigating the Role of Manganese in Bone Health.
- Associations of multiple metals with bone mineral density: A population-based study in US adults.
- Sex-specific associations of urinary mixed-metal concentrations with femoral bone mineral density among older people: an NHANES (2017-2020) analysis.
- Relationship between blood manganese and bone mineral density and bone mineral content in adults: A population-based cross-sectional study.