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Bone Builder Forte

Metagenics
4.8
★ ★ ★ ★ ★
(94 ratings)
Phosphorus 160 mg
Calcium 420 mg
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Score80
A focused hydroxyapatite capsule pairing moderate calcium and phosphorus with substantial D3. Missing magnesium and K keep it from being a complete bone formula.
How scoring works
Quantity:90 Capsule(s) • (45 servings)
Goals:

Score 80

A focused hydroxyapatite capsule pairing moderate calcium and phosphorus with substantial D3. Missing magnesium and K keep it from being a complete bone formula.
How scoring works
$39.95($0.88 per serving)
iHerb
$ 41.95
Pure Formulas
$ 39.95
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Analysis

Microcrystalline hydroxyapatite provides moderate calcium and phosphorus in a bone-derived matrix. Vitamin D3 is supplied at a substantial amount, giving the formula a stronger cofactor profile than plain hydroxyapatite products.

The three principal amounts are clearly listed and the formula avoids unrelated active ingredients. Vitamin K and magnesium are absent, while the hydroxyapatite source is animal-derived.

It suits adults who want focused hydroxyapatite with a meaningful D3 contribution in two capsules. People already taking high-dose vitamin D or wanting a complete bone-cofactor formula should choose more carefully.

Who is it for
  • Adults seeking hydroxyapatite with included D3
  • People wanting a concise two-capsule bone supplement
Best for
  • Focused calcium and phosphorus support
  • Combining hydroxyapatite with vitamin D3

Pros

  • Microcrystalline hydroxyapatite
  • Includes substantial vitamin D3
  • Clear active amounts
  • Concise formula

Cons

  • No vitamin K
  • No magnesium
  • Animal-derived source
  • Premium serving burden

Warnings

  • Account for vitamin D from all sources before combining it with another high-dose D product.
  • Calcium should be separated from thyroid hormone, iron, bisphosphonates, and certain antibiotics.
  • People with kidney disease, high blood calcium, or recurrent calcium stones should seek medical guidance before use.
  • Hydroxyapatite is animal-derived and will not suit vegetarian or vegan users.

Nutrient quality

91 Highest impact

Microcrystalline hydroxyapatite and vitamin D3 are well-regarded forms for bone support. The calcium, phosphorus, and vitamin D3 amounts are meaningful for routine use.

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Ingredient transparency

87 Highest impact

Elemental calcium, phosphorus, vitamin D3, and total hydroxyapatite are disclosed. Serving count is available, but complete daily intake guidance is not supplied.

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Customer satisfaction

65 High impact

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

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Value for money

72 High impact

Premium form quality partly supports the asking price. Each serving is relatively costly despite practical mineral amounts.

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Ingredients

IngredientAmount per serving
Vitamin D (Cholecalciferol)
 50 mcg
Calcium (Microcrystalline Hydroxyapatite Concentrate)
 420 mg
Phosphorus (Microcrystalline Hydroxyapatite Concentrate)
 160 mg
Microcrystalline Hydroxyapatite Concentrate
1.9 Gram(s)
Gluten Free Adults 18–50
Report overview
Phosphorus (Microcrystalline Hydroxyapatite Concentrate) · 160 mg OverallScore90
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyD+ Value

Microcrystalline hydroxyapatite supplies a premium and clearly identified bone-like phosphorus source. The 160 mg dose is targeted and practical in two capsules. An average serving cost is reasonable for the premium form and effective dose.

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Calcium (Microcrystalline Hydroxyapatite Concentrate) · 420 mg OverallScore84
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyF Value

Microcrystalline hydroxyapatite provides a premium bone-mineral matrix, while the 420 mg amount fits the absorption-optimized range. The elemental amount is clear, and no artificial color, sweetener, or whitening agent appears in the supplied ingredients. A very high serving cost makes it poor value for calcium.

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76 Performance

Bone Builder Forte

Metagenics
Compared with 50 mcg of Vitamin D as Cholecalciferol, 420 mg of Calcium as Microcrystalline Hydroxyapatite Concentrate and 160 mg of Phosphorus as Microcrystalline Hydroxyapatite Concentrate, the alternative provides 2000 IU of Vitamin D as Cholecalciferol, 428 mg of Calcium as Microcrystalline Hydroxyapatite Concentrate and 168 mg of Phosphorus as Microcrystalline Hydroxyapatite Concentrate, and the supplied analysis indicates stronger alignment with Calcium, Phosphorus. Its formula is costly and aggregate satisfaction rests on a small sample, but the mineral source and restrained ingredient list are credible.
87 Performance

Boneology Superior Calcium Form 167 mg

Swanson Premium Brand
Compared with 50 mcg of Vitamin D as Cholecalciferol, 420 mg of Calcium as Microcrystalline Hydroxyapatite Concentrate and 160 mg of Phosphorus as Microcrystalline Hydroxyapatite Concentrate, the alternative provides 167 mg of Calcium as Microcrystalline Hydroxyapatite and 83 mg of Phosphorus as Microcrystalline Hydroxyapatite, and the supplied analysis indicates stronger alignment with Phosphorus. A high-quality bone-mineral source and very low routine cost provide strong value.
84 Performance

Calcium Citrate +D3 Petites

21st Century
Compared with 50 mcg of Vitamin D as Cholecalciferol, 420 mg of Calcium as Microcrystalline Hydroxyapatite Concentrate and 160 mg of Phosphorus as Microcrystalline Hydroxyapatite Concentrate, the alternative provides 12.5 mcg of Vitamin D3 as Cholecalciferol and 400 mg of Calcium as Calcium Citrate, and the supplied analysis indicates stronger alignment with Calcium. Active doses are clear, while missing excipient and full use details limit transparency.
88 Budget

Calcium Hydroxyapatite Caps

NOW
The supplied serving cost is lower, while the formula provides 500 mg of Calcium as Calcium Hydroxyapatite and 200 mg of Phosphorus as Phosphorus Hydroxyapatite. Clear dosing, strong form quality, and favorable serving value make the formula well suited to routine bone support.
82 Budget

Calcium Citrate

Nature's Way
The supplied serving cost is lower, while the formula provides 500 mg of Calcium as Calcium Carbonate, 500 mg of Calcium as Calcium Citrate and 500 mg of Calcium as Calcium Malate. Active doses are clear, while missing excipient and full use details limit transparency.
85 Budget

Cal/Mag 500 mg/250 mg

NaturesPlus
The supplied serving cost is lower, while the formula provides 500 mg of Calcium as Calcium Amino Acid Chelate and 250 mg of Magnesium as Magnesium Amino Acid Chelate. A simple one-serving format and economical cost make it one of the better value profiles in this set.
88 Value

Calcium Citrate Pure Powder

NOW
600 mg of Calcium as Calcium Citrate offers a practical value trade-off because the supplied serving cost is lower and the value analysis is stronger. Its focused formula offers strong value but does not provide vitamin D, vitamin K, or magnesium.
85 Value

600+D3

21st Century
20 mcg of Vitamin D3 as Cholecalciferol and 600 mg of Calcium as Calcium Carbonate offers a practical value trade-off because the supplied serving cost is lower and the value analysis is stronger. Its calcium amount is reasonably sized, though carbonate works best with food and offers less flexibility than citrate.
83 Value

Citracal Petites Calcium Citrate +D3

Bayer Citracal
12.5 mcg of Vitamin D as Cholecalciferol, 12.5 mcg of Vitamin D as Vitamin D3 and 400 mg of Calcium offers a practical value trade-off because the supplied serving cost is lower and the value analysis is stronger. Its calcium source is not explicit in the supplied ingredient details, which limits confidence in its claimed citrate form.
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