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Bone health; Calcium absorption support; Mineral and vitamin cofactors for bone matrix
Adults with low dairy or mineral intake or people who want convenient daily support for bone nourishment.
Take 4 capsules daily with food, preferably split into two or more doses; taking with meals can improve mineral absorption and stomach comfort.
Contains: Shellfish (shrimp, crab). Not manufactured with wheat, gluten, soy, milk, egg, fish or sesame ingredients. Produced in a GMP facility that processes other allergens.
Calcium provides the primary mineral for bone mineralization, contributing to the hardness and structure of bones and teeth.
Caution: Take with food to enhance absorption and reduce stomach discomfort; separate from certain medications like thyroid hormones or some antibiotics as calcium can interfere with their absorption.
Vitamin D3 supports calcium absorption in the gut and helps regulate calcium and phosphorus balance for bone mineralization.
Caution: Avoid taking more vitamin D from additional supplements without checking total intake, as excess can raise calcium levels.
Magnesium is a cofactor for enzymes involved in bone formation and helps regulate calcium transport and vitamin D metabolism.
Caution: May cause loose stools in some people; split doses with meals to improve tolerance.
Vitamin K2 activates osteocalcin, a protein that helps direct calcium into bone matrix rather than soft tissues.
Caution: Those on blood-thinning medications should consult a healthcare professional, as vitamin K can affect blood clotting pathways.
Phosphorus combines with calcium to form hydroxyapatite crystals that provide the structural framework of bone.
Caution: High phosphorus intake relative to calcium may be undesirable; keep balanced intake as directed.
Calcium and phosphorus supply the raw minerals that form bone’s hydroxyapatite structure, while vitamin D3 improves calcium absorption. Magnesium supports vitamin D metabolism and bone-forming enzyme activity. Vitamin K2 helps activate proteins that guide calcium into bones and away from soft tissues.
Label Warning: For adults only. Consult a physician if pregnant or nursing, taking medication, or have a medical condition.
Who should be cautious: People with shellfish allergies should avoid this product. Those on anticoagulants such as warfarin may need caution due to vitamin K2 content and should discuss with a healthcare provider before use.
Storage: Store in a cool, dry place after opening.
Many users mention improved bone strength, less discomfort, and better joint mobility.
Capsules are commonly described as smooth and neutral-tasting.
Some users feel the daily capsule count is high, though a few take fewer capsules.
This product is guaranteed authentic and backed by our easy returns & 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 gelatin (bse-free) (capsule), magnesium stearate (vegetable source), silicon dioxide, stearic acid (vegetable source), glucosamine potassium sulfate complex and microcrystalline cellulose.
Contains shellfish (shrimp, crab).
Made and quality tested in the USA with globally sourced ingredients.
Not manufactured with wheat, gluten, soy, milk, egg, fish or sesame ingredients.
Produced in a GMP facility that processes other ingredients containing these allergens.
For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children.
Natural color 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 ship with alternate packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and not rely solely on the information provided by iHerb.
| Supplement facts | ||
| Serving Size: 4 Capsules | ||
| Serving Per Container: 60 | ||
| Amount Per Serving | %Daily Value | |
| Calories | 5 | |
| Protein | 1 g | |
| Vitamin C (from Magnesium Ascorbate) | 133 mg | 148% |
| Vitamin D (as D3 Cholecalciferol) | 16.68 mcg (667 IU) | 83% |
| Thiamin (Vitamin B-1) (from Thiamin 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 (Equisetum arvense) (Aerial Parts) | 67 mg | † |
| Boron (from Boron Chelate Complex) | 467 mcg | † |
| Vitamin K2 (as Menaquinone-7) (MK-7) | 67 mcg | † |
| † Daily Value not established. MCHA = Microcrystalline Hydroxyapatite (BSE-Free) | ||
