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Calcium Hydroxyapatite Caps

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4.8
★ ★ ★ ★ ★
(6996 ratings)
Calcium 500 mg
Phosphorus 200 mg
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Score88
A simple, good-value hydroxyapatite capsule with clearly disclosed calcium and phosphorus. Its animal origin and missing bone cofactors are the main limitations.
How scoring works
Quantity:120 Capsule(s) • (60 servings)
Goals:
Bone Health

Score 88

A simple, good-value hydroxyapatite capsule with clearly disclosed calcium and phosphorus. Its animal origin and missing bone cofactors are the main limitations.
How scoring works
$11.60($0.19 per serving)
Vitacost
$ 13.13
Daily Vita
$ 11.60
iHerb
$ 12.24
Walmart
$ 15.96
Pure Formulas
$ 12.09
Amazon
$ 11.60
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Analysis

Calcium hydroxyapatite supplies a moderate calcium amount together with phosphorus in a closely related mineral form. The two-active formula is straightforward and directly relevant to bone mineral intake.

Both nutrient amounts are clearly stated, and the capsule avoids unrelated botanicals or proprietary blends. Vitamin D, vitamin K, and magnesium are absent, so users must obtain those cofactors elsewhere if needed.

It fits adults who want a simple hydroxyapatite product and already have a broader bone-health plan. Vegetarians, vegans, or people looking for a complete cofactor formula should choose another option.

Who is it for
  • Adults seeking moderate calcium and phosphorus support
  • People who prefer a simple hydroxyapatite capsule
Best for
  • Focused bone-mineral supplementation
  • Adding calcium and phosphorus to an existing cofactor plan

Pros

  • Clearly stated calcium and phosphorus amounts
  • Simple two-active formula
  • Hydroxyapatite mineral form
  • Good serving value

Cons

  • No vitamin D or vitamin K
  • No magnesium
  • Animal-derived source
  • Two-capsule serving

Warnings

  • Calcium may cause constipation and can add to kidney-stone risk when total intake is excessive.
  • Separate calcium from thyroid hormone, iron, bisphosphonates, and certain antibiotics because it can reduce absorption.
  • People with kidney disease or high blood calcium should seek medical guidance before supplementing calcium and phosphorus.
  • The hydroxyapatite source is animal-derived.

Nutrient quality

94 Highest impact

Calcium and phosphorus hydroxyapatite provide a bone-like mineral form. The calcium and phosphorus amounts fit practical supplemental use.

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Ingredient transparency

87 Highest impact

Both active minerals have specific elemental amounts. Serving count is available, but complete daily intake guidance is not supplied.

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Customer satisfaction

74 High impact

The supplied average rating is strong and supported by very large rating volume. No specific feedback was supplied to judge repeated complaints or fit with the intended use.

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Value for money

97 Highest impact

Premium form quality and clear dosing strongly support the asking price. Each serving provides useful mineral amounts at favorable cost efficiency.

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Goals

Bone Health
Impact
Highest effect
A- Goal FitA Strength of SupportC+ CoverageA Formula Quality
Phosphorus · 200 mgCalcium · 500 mg

Hydroxyapatite supplies calcium with phosphorus in a form closely related to bone mineral. The clearly stated calcium amount is well suited to a single serving.

The pairing provides strong structural-mineral support and avoids unnecessary ingredients. Vitamin D, vitamin K, magnesium, and collagen are absent, so absorption, mineral direction, and protein-matrix pathways still rely on other sources.

Study evidence
Calcium Supportive 144 studies
Phosphorus Supportive 44 studies

Ingredients

IngredientAmount per serving
Calcium (Calcium Hydroxyapatite)
500 mg
Phosphorus (Phosphorus Hydroxyapatite)
200 mg
Gluten Free Adults 18–50 Kosher Dairy Free
Report overview
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

Hydroxyapatite supplies a premium calcium form with strong metabolic relevance and clear labeling. The serving amount fits the range commonly used for efficient absorption and includes naturally paired phosphorus. A low serving cost makes the formulation especially attractive for routine supplementation.

A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

Hydroxyapatite supplies phosphorus in a form that closely resembles the natural calcium-phosphorus structure of bone, with clear source disclosure. The 200 mg serving sits in the targeted supplemental range and is delivered efficiently. Cost per serving is well below the collection benchmark, making the phosphorus economically efficient.

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Sources

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

  1. Calcium and osteoporosis.
    Nordin BE · Nutrition (Burbank, Los Angeles County, Calif.) · 1998
    Meta-analysis20 studies pooledBone Health forCalcium
  2. Associations of dietary calcium intake with metabolic syndrome and bone mineral density among the Korean population: KNHANES 2008-2011.
    Kim MK; Chon SJ; Noe EB; Roh YH; Yun BH; Cho S; Choi YS; Lee BS; Seo SK · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2018
    Cross-sectional study14,705 participantsBone Health forCalcium
  3. 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
  4. Phosphate Metabolism in Health and Disease.
    Peacock M · Calcified tissue international · 2021
    Narrative reviewBone Health forPhosphorus
  5. Association between phosphorus intake and bone health in the NHANES population.
    Lee AW; Cho SS · Nutrition journal · 2016
    Cross-sectional studyBone Health forPhosphorus
  6. Association between serum phosphorus levels and pelvic bone mineral density in U.S. adults aged 18-59 years.
    Jiang T; Pan Y; Xu J; Ge J; Ji S; Li T; Zhang Y · BMC musculoskeletal disorders · 2025
    Cross-sectional study5,589 participantsBone Health forPhosphorus
  7. Management of Hyperphosphatemia in End-Stage Renal Disease: A New Paradigm.
    Rastogi A; Bhatt N; Rossetti S; Beto J · Journal of renal nutrition : the official journal of the Council on Renal Nutrition of the National Kidney Foundation · 2021
    Systematic reviewBone Health forPhosphorus
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. Dairy product consumption, eating habits, sedentary behaviour and physical activity association with bone mineral density among adolescent boys: a cross-sectional observational study.
    Kopiczko A; Czapla M; Juárez-Vela R; Ross C; Uchmanowicz B · BMC pediatrics · 2024
    Cross-sectional study115 participantsBone Health forPhosphorus
  14. Burosumab Improved Histomorphometric Measures of Osteomalacia in Adults with X-Linked Hypophosphatemia: A Phase 3, Single-Arm, International Trial.
    Insogna KL; Rauch F; Kamenický P; Ito N; Kubota T; Nakamura A; Zhang L; Mealiffe M; San Martin J; Portale AA · Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2020
    Single-arm trial14 participantsBone Health forPhosphorus
  15. Early high calcium and phosphorus intake by parenteral nutrition prevents short-term bone strength decline in preterm infants.
    Pereira-da-Silva L; Costa A; Pereira L; Filipe A; Virella D; Leal E; Moreira A; Rosa M; Mendes L; Serelha M · Journal of pediatric gastroenterology and nutrition · 2011
    Randomized trialBone Health forPhosphorus
  16. Expert consensus on clinical management of metabolic bone disease of prematurity (2021).
    Yan-Mei C; Xin-Zhu L; Rong Z; Xi-Hong L; Xiao-Mei T; Ping-Yang C; Zhi-Chun F; Nutritional Committee of Neonatology Branch of Chinese Medical Doctor Association; Neonatal Nutrition and Health Management Group, Professional Committee of Child Health, Chinese Medical Doctor Association; Editorial Committee of Chinese Journal of Contemporary Pediatrics. · Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics · 2021
    Guideline / consensusBone Health forPhosphorus