Improve calcium status

What this outcome means

Calcium status reflects whether enough calcium is available to support your bones, nerves, and muscle function from day to day. On DoseRank it maps to a defined health outcome built from human studies on serum and ionized calcium, urinary calcium, and bone-mineral markers – data sourced from open sources and specialized resources. DoseRank is not medical advice.

Who it's for

Below rangeLab results showing calcium availability dipping under normal levels.

Bone-health focusedPeople guarding mineral stores as bone density becomes a concern.

Limited intakeThose on dairy-free or restricted diets that fall short on calcium.

Stack buildersAlready taking supplements such as Calcium Citrate or Vitamin D3 (Cholecalciferol) and want the dose right.

Evidence level

92Strong

Calcium Citrate and Vitamin D3 (Cholecalciferol) – have strong public evidence. DoseRank looks at both evidence quality and formula fit. A DoseFit Score of 66 means this product's ingredient forms and doses are close to what was used in the studies behind this ranking - DoseRank weights each product ingredient.

Best ingredients

Calcium Citrate and Vitamin D3 (Cholecalciferol) are the best supported ingredient signals for this outcome.

Dose partly matchedDoseFit 66

Scores reward products dosed inside or above the studied range, not just the right ingredient. Examples: In range: Calcium Citrate 630 mg vs 500-1200 mg; Below range: Vitamin D3 (Cholecalciferol) 12.5 mcg vs 400-5000 mcg.

Processed

8.1k

Available

8.1k

Ingredients

Brands

588

Coverage

100%

How to read the scores

What every metric means

Each score is 0–100. Higher is better for every metric below.

CompositeThe overall DoseRank score — a weighted blend of clinical strength, evidence, dose fit, trust and value.Higher is better

ClinicalHow strongly the formula's ingredients and doses match what clinical studies used for this outcome.Higher is better

EvidenceHow much published human research backs the formula's key ingredients for this outcome — both how many studies exist and how strong they are.Higher is better

ValueHow the price per serving compares with similar products for this outcome — 50 is the typical price, higher means better value for your money.Higher is better

TrustHow well customers rate this product, with extra weight given to ratings backed by a large number of reviews.Higher is better

PopularityHow strongly this product sells compared with the other ranked products for this outcome.Higher is better

This legend covers the scores on this page — for data sources, scoring weights, and limits, read the full methodology →

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Get a personal report

A saved, shareable breakdown: your matched products, dose math, interaction flags to discuss with a clinician, and a price-tracked stack you can revisit.

Questions

Frequently asked

Each product gets a composite score blending clinical strength, evidence, dose fit, trust and value. The #1 on the DoseRank tab has the highest composite; the other tabs re-rank the same products by Value, Trust, or Popularity. Placement is never paid.

Improve calcium status

What this outcome means

Who it's for

Below rangeLab results showing calcium availability dipping under normal levels.

Bone-health focusedPeople guarding mineral stores as bone density becomes a concern.

Limited intakeThose on dairy-free or restricted diets that fall short on calcium.

Stack buildersAlready taking supplements such as Calcium Citrate or Vitamin D3 (Cholecalciferol) and want the dose right.

Evidence level

92Strong

Best ingredients

Calcium Citrate and Vitamin D3 (Cholecalciferol) are the best supported ingredient signals for this outcome.

Dose partly matchedDoseFit 66

Processed

8.1k

Available

8.1k

Ingredients

Brands

588

Coverage

100%

Relevant ingredients

Which ingredient types matter for calcium statusOpen to see which ingredient types matter for calcium status

10.3k products across 2 ingredient types — open to filter the ranking.

Use types to filter ranked products

Minerals & Trace Elements

5.1k products

Inorganic nutrients from calcium to zinc. The chemical form drives absorption – chelates and citrates usually beat cheap oxides.

Typical: , , , ...

Vitamins

5.2k products

Essential micronutrients the body can't make in sufficient amounts. Fat-soluble ones (A, D, E, K) store up; water-soluble ones need regular topping-up.

Top decision cards

Best products for calcium status

Ranking by · Composite outcome score

Best overall — the composite outcome score.

Top pick · DoseRank

Why this ranks #1 for calcium status

21st Century, Calcium Citrate + D3 Maximum, 120 Tablets

21st Century$0.13 / serving4.8 · 21,412Available now

Why this ranks here

Evidence fitCalcium Citrate and Vitamin D3 (Cholecalciferol) are the strongest evidence signals for this outcome.
Dose fit1 of 2 dosed ingredients land in the studied range. Calcium Citrate at 630 mg lands inside the studied 500-1200 mg window.
Price / serving$0.13 per serving — low price tier for this outcome.
AvailabilityIn stock across major retailers; 99% availability confidence.
TrustStrong trust signals — consistently high marks from verified buyer ratings.

Trade-offs

Dose fit is the weak spot on this list

The numbers

630 mgIn rangeinside the studied 500-1200 mg window

12.5 mcgBelow rangebelow the studied 400-5000 IU window

Compare top 3 Product data Open at retailer

The rest of the ranking · DoseRank

Top 10 ranked products