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Citracel Maximum Plus

Bayer Citracal
4.7
★ ★ ★ ★ ★
(11883 ratings)
Calcium 630 mg
Vitamin D 500 IU
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Score80
Moderate calcium with vitamin D and trace minerals offers balanced, economical bone support. Its main weakness is the lack of chemical-form and excipient disclosure.
How scoring works
Quantity:180 Tablet(s) • (90 servings)
Goals:
Bone Health

Score 80

Moderate calcium with vitamin D and trace minerals offers balanced, economical bone support. Its main weakness is the lack of chemical-form and excipient disclosure.
How scoring works

Also available as

2 options
650.00mg Calcium • 140 servings Calcium 650 mg • 280 Tablet(s) • 140 servings $22.88 ($0.16 per serving) 650.00mg Calcium • 60 servings Calcium 650 mg • 120 Tablet(s) • 60 servings $14.33 ($0.23 per serving)
$14.96($0.16 per serving)
Vitacost
$ 18.19
iHerb
$ 16.63
Amazon
$ 14.96
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Analysis

The two-tablet serving supplies 630 mg of calcium and 500 IU of vitamin D, with zinc, copper, and manganese for added mineral breadth. Those amounts are more moderate than high-dose calcium products and fit routine bone support more comfortably.

Active totals are easy to read, but none of the nutrient chemical forms are identified. That gap makes it impossible to judge whether the calcium is citrate, carbonate, or a blend and how the trace minerals are delivered.

A long supply and low serving cost make the formula practical. The balanced zinc and copper amounts are a useful detail, though the complete excipient list is still needed for a full label assessment.

Who is it for
  • Adults seeking moderate daily calcium support
  • Users who want trace minerals with calcium
  • Budget-conscious people comfortable with two tablets
Best for
  • Balanced bone-mineral intake
  • Moderate calcium supplementation
  • Low-cost calcium with trace minerals

Pros

  • Provides a moderate 630 mg calcium serving
  • Includes vitamin D, zinc, copper, and manganese
  • Balances zinc with a disclosed copper amount
  • Offers a long supply at low serving cost

Cons

  • Nutrient chemical forms are not disclosed
  • The complete excipient list is missing
  • The serving requires two tablets
  • Vitamin D is useful but not substantial

Warnings

  • Calcium can cause constipation, bloating, or stomach discomfort in sensitive users.
  • People with recurrent calcium-based kidney stones or high blood calcium should confirm whether added calcium is appropriate.
  • Calcium can reduce absorption of levothyroxine and certain antibiotics; follow the medicine-specific separation interval.

Nutrient quality

81 Highest impact

Meaningful calcium and vitamin D with trace minerals fit bone support well. Unspecified nutrient forms prevent a confident absorption assessment.

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Ingredient transparency

76 High impact

Active amounts are clearly listed and no proprietary blend hides key doses. Missing inactive ingredients and incomplete use directions prevent full label clarity.

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Customer satisfaction

72 High impact

The supplied average rating is particularly strong. The very large review count makes the rating highly reliable.

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Value for money

90 Highest impact

Meaningful core doses at a low serving cost provide strong value. Missing form details are the main quality limitation.

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Goals

Bone Health
Bone Health
Impact
High effect
A- Goal FitC Strength of SupportB CoverageA- Formula Quality
Calcium · 630 mgVitamin D · 500 IUCopper · 0.45 mgManganese · 1.15 mgZinc · 5.5 mg

Calcium, vitamin D, and three trace minerals give the formula broad and sensible bone support. The calcium amount is useful, while vitamin D plays a smaller supporting role.

Clear elemental amounts make dosing easy to understand, but the nutrient forms are not named. The absence of vitamin K also leaves calcium distribution less fully supported.

Study evidence
Calcium Supportive 144 studies
Copper Disputed 20 studies
Manganese Adverse 12 studies
Vitamin D Supportive 202 studies
Zinc Supportive 33 studies

Ingredients

IngredientAmount per serving
Calories
5 Calorie(s)
Vitamin D
500 IU
Calcium
630 mg
Zinc
5.5 mg
Copper
0.45 mg
Manganese
1.15 mg
Sodium
5 mg
Adults 18–50
Report overview
Calcium · 630 mg OverallScore58
F Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyA+ Value

The calcium amount is clear, but its chemical form is not disclosed. The serving slightly exceeds the preferred single-dose range, which may reduce absorption efficiency. Its low serving cost and absence of listed controversial additives are practical strengths.

View ingredientView products
Vitamin D · 500 IU OverallScore36
F Active Ingredient Quality & BioavailabilityD- Dose, Safety & Label TransparencyF Value

The vitamin D amount is below the usual daily intake target in this evaluation. Its form and raw source are not identified, while the dry tablet supplies no lipid carrier. The cost per active amount is relatively high, and no independent quality certification is disclosed.

View ingredientView products
Loading alternative details
88 Performance

Calcium Hydroxyapatite Caps

NOW
<p>500 mg of calcium hydroxyapatite with 200 mg of naturally paired phosphorus offers a well-defined calcium form with a useful bone-mineral partner. Calcium-form information is clearer than in the original, but zinc, copper, and manganese are not carried over. Vitamin D would need to come from diet or another source.</p>
82 Performance

Calcium Citrate

Nature's Way
<p>A 500 mg calcium serving drawn from carbonate, citrate, and malate offers better absorption flexibility than carbonate alone. Calcium-form information is clearer than in the original, but zinc, copper, and manganese are not carried over. Vitamin D would need to come from diet or another source.</p>
83 Performance

Albion Chelated Calcium 180 mg

Swanson Ultra
<p>360 mg of calcium glycinate chelate with a small vitamin D3 amount offers a highly absorbable chelated calcium form. Calcium-form information is clearer than in the original, but zinc, copper, and manganese are not carried over.</p>
85 Budget

600+D3

21st Century
<p>A lower-cost serving provides 600 mg of calcium carbonate with vitamin D3. Calcium-form information is clearer than in the original, but zinc, copper, and manganese are not carried over.</p>
84 Budget

Calcium 600 with Vitamin D3

Nature's Bounty
<p>A lower-cost serving provides 600 mg of calcium carbonate with vitamin D3. Calcium-form information is clearer than in the original, but zinc, copper, and manganese are not carried over.</p>
83 Budget

Citracal Petites Calcium Citrate +D3

Bayer Citracal
<p>A lower-cost serving provides 400 mg of calcium with vitamin D3 in a compact serving. Calcium-form information is clearer than in the original, but zinc, copper, and manganese are not carried over. The supplied facts do not confirm the calcium form named in the title.</p>
84 Value

Calcium Citrate +D3 Petites

21st Century
<p>400 mg of calcium citrate with vitamin D3 pairs a moderate dose and a well-identified calcium form with favorable serving value. Calcium-form information is clearer than in the original, but zinc, copper, and manganese are not carried over.</p>
82 Value

Calcium Citrate 600 mg

Spring Valley
<p>A clearly sized 600 mg calcium serving pairs a meaningful calcium amount with favorable recurring value with favorable serving value. Calcium-form information is clearer than in the original, but zinc, copper, and manganese are not carried over. Vitamin D would need to come from diet or another source, and the supplied facts do not confirm the calcium form named in the title.</p>
85 Value

Calcium Carbonate

NOW
<p>600 mg of calcium carbonate in a focused powder pairs clear dosing and a simple ingredient profile with favorable serving value. Calcium-form information is clearer than in the original, but zinc, copper, and manganese are not carried over. Vitamin D would need to come from diet or another source.</p>
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Sources

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

  1. Pregnancy vitamin D supplementation and offspring bone mineral density in childhood follow-up of a randomized controlled trial.
    Moon RJ; D' Angelo S; Curtis EM; Ward KA; Crozier SR; Schoenmakers I; Javaid MK; Bishop NJ; Godfrey KM; Cooper C; Harvey NC; MAVIDOS Trial Group · The American journal of clinical nutrition · 2024
    Randomized trial454 participantsBone Health forVitamin D
  2. Effects of vitamin D and high dairy protein intake on bone mineralization and linear growth in 6- to 8-year-old children: the D-pro randomized trial.
    Stounbjerg NG; Thams L; Hansen M; Larnkjær A; Clerico JW; Cashman KD; Mølgaard C; Damsgaard CT · The American journal of clinical nutrition · 2022
    Randomized trial200 participantsBone Health forVitamin D
  3. Vitamin D and HRT: no benefit additional to that of HRT alone in prevention of bone loss in early postmenopausal women. A 2.5-year randomized placebo-controlled study.
    Komulainen M; Tuppurainen MT; Kröger H; Heikkinen AM; Puntila E; Alhava E; Honkanen R; Saarikoski S · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 1997
    Randomized trial464 participantsBone Health forVitamin D
  4. Impact of serum 25-hydroxyvitamin D levels on fragility fractures in patients undergoing chronic hemodialysis.
    Hori M; Takahashi H; Kondo C; Tokoroyama S; Kanda A; Furuhashi K; Mori Y; Shirasawa Y; Takeda A; Morozumi K; Maruyama S · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2026
    Cohort study292 participantsBone Health forVitamin D
  5. Cholecalciferol Supplementation Attenuates Bone Loss in Incident Kidney Transplant Recipients: A Prespecified Secondary Endpoint Analysis of a Randomized Controlled Trial.
    Tsujita M; Doi Y; Obi Y; Hamano T; Tomosugi T; Futamura K; Okada M; Hiramitsu T; Goto N; Isaka Y; Takeda A; Narumi S; Watarai Y · Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2022
    Randomized trial193 participantsBone Health forVitamin D
  6. Calcium supplementation provides an extended window of opportunity for bone mass accretion after menarche.
    Rozen GS; Rennert G; Dodiuk-Gad RP; Rennert HS; Ish-Shalom N; Diab G; Raz B; Ish-Shalom S · The American journal of clinical nutrition · 2003
    Randomized trial100 participantsBone Health forCalcium
  7. Calcium supplementation and bone mineral density in postmenopausal women using estrogen replacement therapy.
    Haines CJ; Chung TK; Leung PC; Hsu SY; Leung DH · Bone · 1995
    Randomized trialBone Health forCalcium
  8. Relationship between bone mineral density changes and risk of fractures among patients receiving calcium with or without vitamin D supplementation: a meta-regression.
    Rabenda V; Bruyère O; Reginster JY · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2011
    Meta-analysis47,365 participants15 studies pooledBone Health forCalcium
  9. Bone turnover and the response to alendronate treatment in postmenopausal osteoporosis.
    Gonnelli S; Cepollaro C; Pondrelli C; Martini S; Montagnani A; Monaco R; Gennari C · Calcified tissue international · 1999
    Randomized trial100 participantsBone Health forCalcium
  10. Calcium and osteoporosis.
    Nordin BE · Nutrition (Burbank, Los Angeles County, Calif.) · 1998
    Meta-analysis20 studies pooledBone Health forCalcium
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. The Association between Dietary and Circulating Copper Levels and Osteoporosis: a Scoping Review.
    Ju Y; Xiong W; Pang Y; Chen Z; Hou J; Zheng S; Li Z; Liu T; Xia H; Xia M; Zhong Y; Li J; Jiang X · Biological trace element research · 2026
    Scoping review18 studies pooledBone Health forCopper
  17. Association between dietary copper, iron, zinc, selenium intake and osteopenia or osteoporosis in elderly hypertensive patients: a retrospective cohort study.
    Chen M; Jia L; Gao R · Frontiers in nutrition · 2024
    Cohort study5,286 participantsBone Health forCopper
  18. Associations of dietary copper intake with total bone mineral density and lumbar spine bone mineral density in American adults.
    Hu M; Wang Z; Li C; Zheng Y; Hu J · Medicine · 2025
    Cross-sectional studyBone Health forCopper
  19. The association between dietary mineral intake and bone mineral density: a cross-sectional study.
    Wei M; Wei J; Huang S · Journal of health, population, and nutrition · 2025
    Cross-sectional study11,520 participantsBone Health forCopper
  20. Association between dietary copper intake and bone mineral density in children and adolescents aged 8-19 years: A cross-sectional study.
    Cui A; Yan J; Li H; Fan Z; Wei X; Wang H; Zhuang Y · PloS one · 2024
    Cross-sectional study6,965 participantsBone Health forCopper
  21. Risk of Environmental Chemicals on Bone Fractures Is Independent of Low Bone Mass in US Adults: Insights from 2017 to 2018 NHANES.
    Ling R; Ai Y; Chen C; Zhang J; Zou Z; Cheng S; Li C; Li X; Wang B · Metabolites · 2023
    Cross-sectional study2,640 participantsBone Health forManganese
  22. The Manganese-Bone Connection: Investigating the Role of Manganese in Bone Health.
    Taskozhina G; Batyrova G; Umarova G; Issanguzhina Z; Kereyeva N · Journal of clinical medicine · 2024
    Narrative reviewBone Health forManganese
  23. Associations of multiple metals with bone mineral density: A population-based study in US adults.
    Wei MH; Cui Y; Zhou HL; Song WJ; Di DS; Zhang RY; Huang Q; Liu JA; Wang Q · Chemosphere · 2021
    Cross-sectional studyBone Health forManganese
  24. Sex-specific associations of urinary mixed-metal concentrations with femoral bone mineral density among older people: an NHANES (2017-2020) analysis.
    Li H; Li G; Yi M; Zhou J; Deng Y; Huang Y; He S; Meng X; Liu L · Frontiers in public health · 2024
    Cross-sectional study31 participantsBone Health forManganese
  25. Relationship between blood manganese and bone mineral density and bone mineral content in adults: A population-based cross-sectional study.
    Wang C; Zhu Y; Long H; Ou M; Zhao S · PloS one · 2022
    Cross-sectional study9,732 participantsBone Health forManganese
  26. Vitamin D analogs and bone: preclinical and clinical studies with eldecalcitol.
    Matsumoto T; Takano T; Saito H; Takahashi F · BoneKEy reports · 2014
    Narrative reviewBone Health forVitamin D
  27. Efficacy of vitamin D fortified foods on bone mineral density and serum bone biomarkers: A systematic review and meta-analysis of interventional studies.
    Tangestani H; Djafarian K; Emamat H; Arabzadegan N; Shab-Bidar S · Critical reviews in food science and nutrition · 2020
    Meta-analysis1,786 participants20 studies pooledBone Health forVitamin D
  28. Vitamin D supplementation and bone health in post-menopausal women: a 24-month randomized controlled intervention with enhanced bioavailability formulations.
    Rasool N; Munir Y · European journal of clinical nutrition · 2026
    Randomized trial612 participantsBone Health forVitamin D
  29. Increased incidence of fractures in middle-aged and elderly men with low intakes of phosphorus and zinc.
    Elmståhl S; Gullberg B; Janzon L; Johnell O; Elmståhl B · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 1999
    Cohort study6,576 participantsBone Health forZinc
  30. Zinc Supplementation Increases Procollagen Type 1 Amino-Terminal Propeptide in Premenarcheal Girls: A Randomized Controlled Trial.
    Berger PK; Pollock NK; Laing EM; Chertin V; Bernard PJ; Grider A; Shapses SA; Ding KH; Isales CM; Lewis RD · The Journal of nutrition · 2016
    Randomized trial147 participantsBone Health forZinc
  31. Randomized controlled trial of prenatal zinc supplementation and fetal bone growth.
    Merialdi M; Caulfield LE; Zavaleta N; Figueroa A; Costigan KA; Dominici F; Dipietro JA · The American journal of clinical nutrition · 2004
    Randomized trial242 participantsBone Health forZinc
  32. The effects of zinc supplementation on serum zinc, alkaline phosphatase activity and fracture healing of bones.
    Sadighi A; Roshan MM; Moradi A; Ostadrahimi A · Saudi medical journal · 2009
    Randomized trial60 participantsBone Health forZinc
  33. Is Zinc an Important Trace Element on Bone-Related Diseases and Complications? A Meta-analysis and Systematic Review from Serum Level, Dietary Intake, and Supplementation Aspects.
    Ceylan MN; Akdas S; Yazihan N · Biological trace element research · 2021
    Meta-analysis40 studies pooledBone Health forZinc