Calcium Citrate

Calcium Citrate

Nature's Way4.8 (2,267 ratings)
Format:Capsule Quantity: 250 Capsule(s) · 125 servings
Goals
$23.13 $0.18 per serving

Product analysis

79 out of 100

Calcium Citrate offers calcium at an appealing serving cost to help fill a dietary gap and support normal bones. It combines citrate with carbonate and malate in undisclosed proportions, so the name does not reveal the balance of forms.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality60

The calcium combines forms with differing absorption potential. Their undisclosed proportions prevent a firm judgment about the blend as a whole.

Ingredient Transparency80

The total calcium amount and all forms are stated. The missing proportions make it unclear how much each form contributes.

Value For Money100

The listed serving cost appears favorable for calcium. That makes price an appealing feature if you need to fill an intake gap.

Customer Satisfaction87

Customer ratings are very positive across several thousand buyers. The broad review base gives a clearer satisfaction picture without establishing bone benefits.

Product Focus77

The formula has a clear role in filling a calcium intake gap for normal bone structure. The serving is a contribution to total intake rather than a daily target.

Format
Capsule
Container
250 Capsule(s)
Per serving
$0.18
Customer rating
4.8 · 2,267 ratings
Report analysis

Goals

Bone Health
Impact
High effect
B+ Ingredient FitD- PathwaysA+ EvidenceB+ Formulation Logic
Calcium · 500 mg

Calcium supplies mineral for normal bone structure and can help fill a dietary intake gap; its 500 mg per serving is a contribution to total intake, not a daily target.

How this product is rated for Bone Health

Ingredient fit80

The declared ingredients are closely focused on this goal, though their roles also relate to other goals. Amounts provide only partial support against the saved references; small or unresolved amounts limit what can be attributed to the formula.
Goal fit
The declared ingredients are closely focused on this goal, though their roles also relate to other goals.
Dose adequacy
Amounts provide only partial support against the saved references; small or unresolved amounts limit what can be attributed to the formula.

Pathways40

The main recorded connection is bone mineral supply. Coverage is concentrated in a limited set of bone-related processes, leaving other aspects without substantial support.
Depth
The strongest recorded connection concerns bone mineral supply, with partial coverage from the included ingredients.
Breadth
Coverage is concentrated in a limited set of bone-related processes, leaving other aspects without substantial support.

Evidence100

Calcium provides the strongest recorded evidence. The qualifying preparations match the supplied evidence.
Evidence strength
Calcium provides the strongest recorded ingredient evidence at a qualifying amount; its population and outcome limitations still apply.
Studied preparation
The qualifying preparations match those recognized in the supplied evidence; this does not show that the finished product was tested.

Formulation logic84

A supporting partner is missing for Calcium. Shared rubric rule, limiting the combination’s support. No listed formulation conflict was matched in the supplied findings. This is limited to the specified checks.
Partner coverage
A supporting partner is missing for Calcium. Shared rubric rule, limiting the combination’s support.
Conflicts
No listed formulation conflict was matched in the supplied findings. This is limited to the specified checks.
Effective doses
All ingredients included in this finding meet its minimum amount threshold; the threshold is not proof of clinical effectiveness.
Study evidence
Calcium Supportive 144 studies

Ingredients

IngredientAmount per servingScore
Calcium (Calcium Carbonate, Calcium Citrate, Calcium Malate)
500 mg 82
Gluten Free Adults 18–50 Dairy Free
Report overview
B- Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyA+ Value
A serving provides 500 mg of elemental calcium, within the amount favored in the evaluation. The listed calcium forms have unknown individual proportions.
How this ingredient is rated

Active Ingredient Quality & Bioavailability72

The declared calcium comes from calcium carbonate, calcium citrate and calcium malate; their individual contributions are unknown.
Calcium Form & Absorption Potential
The listed forms are calcium carbonate, calcium citrate and calcium malate, but their proportions are not disclosed.
Elemental Calcium Transparency
The saved facts explicitly state 500 mg of elemental calcium per serving.

Dose, Safety & Label Transparency84

The serving provides 500 mg of elemental calcium, within the amount favored in the evaluation.
Absorption-Optimized Serving Dose
The declared 500 mg of calcium per serving is within the amount favored in the evaluation.
Formulation Purity & Additives
A flow agent is recorded; the sugar amount is unavailable.

Value100

The whole-product serving costs about $0.19, a relatively low price in the evaluation.
Price Per Serving Efficiency
At about $0.19 per whole-product serving, the price is relatively low in the evaluation.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. 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.
    Manoj P; Derwin R; George S · International journal of older people nursing · 2023
    Meta-analysis12,620 participants7 studies pooledBone Health forCalcium
  2. Calcium supplementation prevents seasonal bone loss and changes in biochemical markers of bone turnover in elderly New England women: a randomized placebo-controlled trial.
    Storm D; Eslin R; Porter ES; Musgrave K; Vereault D; Patton C; Kessenich C; Mohan S; Chen T; Holick MF; Rosen CJ · The Journal of clinical endocrinology and metabolism · 1998
    Randomized trial60 participantsBone Health forCalcium
  3. The effects of calcium supplementation (milk powder or tablets) and exercise on bone density in postmenopausal women.
    Prince R; Devine A; Dick I; Criddle A; Kerr D; Kent N; Price R; Randell A · Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 1995
    Randomized trial168 participantsBone Health forCalcium
  4. The efficacy of calcium supplementation alone in elderly Thai women over a 2-year period: a randomized controlled trial.
    Rajatanavin R; Chailurkit L; Saetung S; Thakkinstian A; Nimitphong H · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2014
    Randomized trial404 participantsBone Health forCalcium
  5. Calcium-enriched foods and bone mass growth in prepubertal girls: a randomized, double-blind, placebo-controlled trial.
    Bonjour JP; Carrie AL; Ferrari S; Clavien H; Slosman D; Theintz G; Rizzoli R · The Journal of clinical investigation · 1997
    Randomized trial149 participantsBone Health forCalcium