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Shark Cartilage 750 mg

4.7
★ ★ ★ ★ ★
(750 ratings)
Calcium 1000 mg
Protein (unspecified) 2 Gram(s)
Product Image
Score67
A simple cartilage-derived calcium source is held back by an unknown form, oversized single dose, six-capsule serving, and weak value.
How scoring works
Capsule
Quantity:100 Capsule(s) • (16 servings)
Goals:
Bone Health

Score 67

A simple cartilage-derived calcium source is held back by an unknown form, oversized single dose, six-capsule serving, and weak value.
How scoring works
$12.70($0.79 per serving)
Vitacost
$ 14.79
Daily Vita
$ 12.70
iHerb
$ 13.46
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Analysis

The formula provides shark cartilage with a clearly stated calcium amount, some protein, and mucopolysaccharides. Its simple composition may appeal to users specifically seeking cartilage-derived material.

The calcium chemical form is not identified, leaving absorption quality uncertain. Taking the full amount at once is also less efficient than dividing calcium into smaller servings.

Six capsules per serving create a high pill burden, and the small package lasts only a short time. A standard calcium citrate product would be more practical for users whose main goal is bone mineral support.

Who is it for
  • Adults specifically seeking shark cartilage
  • Users comfortable with animal-derived cartilage supplements
  • People who can manage a six-capsule serving
Best for
  • Cartilage-derived supplementation
  • Short-term trial use
  • Calcium intake when divided appropriately

Pros

  • Large stated calcium amount
  • Shark cartilage amount is disclosed
  • Includes protein and mucopolysaccharides
  • Simple formula

Cons

  • Calcium form is unknown
  • Full amount is inefficient at once
  • Six capsules per serving
  • Short supply

Warnings

  • Avoid the product if you have a fish allergy because shark cartilage is the main ingredient.
  • The formula is unsuitable for vegetarians and vegans.

Nutrient quality

61 Moderate impact

Substantial calcium gives the product some bone relevance. Undefined mineral form, a heavy capsule serving, and weak added value from shark cartilage limit quality.

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Ingredient transparency

72 High impact

Some core nutrition amounts are clear enough to evaluate. Missing complete ingredients, use directions, or blend details create meaningful gaps.

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Customer satisfaction

69 High impact

Aggregate satisfaction data are favorable and supported by substantial volume. Specific firsthand comments were not supplied, leaving repeated complaints and purpose fit uncertain.

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Value for money

64 Moderate impact

Formula weaknesses limit value for routine use. Better-balanced or more transparent alternatives are likely to be more practical.

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Goals

Bone Health
Impact
Moderate effect
C Goal FitD- Strength of SupportD CoverageD Formula Quality
Calcium · 1000 mg

The clearly stated calcium amount gives direct structural support, but its chemical form is not disclosed. A large single serving may reduce absorption efficiency despite the substantial amount.

Shark cartilage adds protein and matrix material, yet evidence for it as targeted bone support is limited compared with established calcium cofactors. The six-capsule serving is animal-derived and may be inconvenient or unsuitable for some users.

Study evidence
Calcium Supportive 144 studies

Ingredients

IngredientAmount per serving
Calories
10 Calorie(s)
Total Carbohydrates
1 Gram(s)
Protein
2 Gram(s)
Calcium
1000 mg
Sodium
55 mg
Shark Cartilage (Mucopolysaccharides)
4.5 Gram(s)
Gluten Free Adults 18–50 Dairy Free
Report overview
Calcium · 1000 mg OverallScore42
F Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyF Value

The 1,000 mg calcium amount is clearly stated, but its chemical form is missing and the dose is too large for efficient absorption at once. Shark cartilage supplies the calcium in a six-capsule serving and makes the formula unsuitable for vegetarians. The small package is expensive for a calcium-focused purchase.

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Sources

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

  1. 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
  2. Calcium and osteoporosis.
    Nordin BE · Nutrition (Burbank, Los Angeles County, Calif.) · 1998
    Meta-analysis20 studies pooledBone 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. 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
  5. Treatment with alendronate plus calcium, alendronate alone, or calcium alone for postmenopausal low bone mineral density.
    Bonnick S; Broy S; Kaiser F; Teutsch C; Rosenberg E; DeLucca P; Melton M · Current medical research and opinion · 2007
    Randomized trial701 participantsBone Health forCalcium
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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