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Bone health; Calcium and vitamin D support; Mineral balance
Adults with low dairy or calcium intake or people who spend much of their time indoors with limited sun exposure.
Take 4 capsules daily with food, preferably split into two doses to support absorption and comfort.
Contains: Shellfish (shrimp, crab). Not manufactured with wheat, gluten, soya, milk, egg, fish or sesame ingredients. Made and quality tested in the USA. Produced in a GMP facility that processes other allergens.
Calcium provides the primary mineral for bone mineralisation and participates in muscle contraction and nerve signalling.
Caution: High calcium intake may cause digestive discomfort in some people; take with food and separate from certain minerals like iron to avoid absorption interference.
Vitamin D3 supports intestinal absorption of calcium and phosphorus and helps regulate bone mineral balance.
Caution: Avoid excessive vitamin D from multiple supplements as very high intakes may raise blood calcium; those using high-dose vitamin D should monitor total intake.
Magnesium acts as a cofactor for enzymes involved in vitamin D activation and supports normal bone matrix formation.
Caution: Magnesium, especially oxide, may loosen stools; taking with meals can improve tolerance.
Vitamin K2 activates proteins such as osteocalcin that help direct calcium into bones and away from soft tissues.
Caution: People using vitamin K antagonist anticoagulants should consult a healthcare professional because vitamin K may affect medicine action.
Boron influences mineral metabolism and may help maintain healthy utilisation of calcium, magnesium and vitamin D.
Caution: Do not exceed suggested use, as excessive boron intake may cause digestive upset.
Calcium supplies the structural mineral for bones, while vitamin D3 increases calcium and phosphorus absorption for better availability. Magnesium supports vitamin D activity and bone matrix enzymes, and vitamin K2 directs calcium deposition into bone. Boron helps regulate the utilisation of these minerals and vitamins.
Label Warning: For adults only. Consult a physician if you are pregnant or nursing, taking medication, or have a medical condition.
Who should be cautious: People with shellfish allergies should avoid this product as it contains shrimp and crab. Those taking anticoagulants such as warfarin should be cautious due to vitamin K2 content and discuss with a healthcare provider before use.
Storage: Store in a cool, dry place after opening.
This product is guaranteed authentic and backed by our easy returns and refunds policy. Details
Collagen may support joint health by providing essential building blocks for cartilage, potentially enhancing joint flexibility and comfort.
AI generated. Not medical advice.
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Microcrystalline Hydroxyapatite (MCHA) is a compound that normally makes up the crystalline matrix of bone and teeth and is the substance that gives them their rigidity. MCHA contains highly absorbable Calcium and Phosphorus, which are the major mineral components of bone. Now® Bone Strength™ is a comprehensive bone support product with MCHA. It also provides Magnesium and other important minerals, as well as Vitamins C and D to aid in the synthesis and maintenance of bone tissue. NOW® Microcrystalline Hydroxyapatite (MCHA) is derived exclusively from Australian cattle.
Take 4 capsules daily, preferably in divided doses, with food.
Bovine gelatine (BSE free) (capsule), magnesium stearate (vegetable source), silicon dioxide, stearic acid (plant-based), glucosamine potassium sulphate complex and microcrystalline cellulose.
Contains shellfish (shrimp, crab).
Made and quality tested in the USA with globally sourced ingredients.
Not manufactured with wheat,, gluten, soya, milk, egg, fish or sesame ingredients.
Produced in a GMP facility that processes other ingredients containing these allergens.
For adults only. Consult a physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children.
Natural colour variation may occur in this product.
Store in a cool, dry place after opening.
While iHerb strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site. Although items may occasionally be despatched with alternative packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and do not rely solely on the information provided by iHerb. This website has been machine translated as a courtesy to customers. iHerb does not represent or warrant that the translations are complete or error-free and iHerb is not responsible for any translation errors or omissions.
| Supplement information | ||
| Serving Size:4 Capsules | ||
| Servings Per Container:60 | ||
| Amount per serving | %Reference Intake | |
| Calories | 5 | |
| Protein | 1 g | |
| Vitamin C (from Magnesium Ascorbate) | 133 mg | 148% |
| Vitamin D (as D3 Cholecalciferol) | 16.68 mcg (667 IU) | 83% |
| Thiamine (Vitamin B-1) (from Thiamine HCl) | 3 mg | 250% |
| Calcium (from MCHA) | 620 mg | 48% |
| Phosphorus (from MCHA) | 287 mg | 23% |
| Magnesium (from Magnesium Oxide and Ascorbate) | 400 mg | 95% |
| Zinc (from Zinc Chelate Complex) | 7 mg | 64% |
| Copper (from Copper Chelate Complex) | 0.7 mg | 78% |
| Manganese (from Manganese Chelate Complex) | 2 mg | 87% |
| Horsetail Herb (horsetail) (Aerial Parts) | 67 mg | † |
| Boron (from Boron Chelate Complex) | 467 mcg | † |
| Vitamin K2 (as Menaquinone-7) (MK-7) | 67 mcg | † |
| † Reference intake not established. MCHA = Microcrystalline Hydroxyapatite (BSE free) | ||
