Swisse
OST Calcium + D3+K2
89/100
SUPPIE SCORE
72/100
EFFICACY
High
SAFETY
100/100
CLEANLINESS
What Does OST Calcium + D3+K2 Do?
Swisse OST Calcium + D3+K2 supplies well-absorbed calcium citrate paired with standard doses of D3 and MK-7 to support bone mineralization and calcium metabolism, consistent with evidence on synergistic bone-health formulations.
How does the calcium citrate form in this product compare to other calcium supplements for absorption?
Is this Swisse OST formula suitable to take alongside a multivitamin or other bone health products?
What should I consider before starting this supplement if I am over 50 or have a family history of osteoporosis?
Chat with Suppie
What Are the Benefits of OST Calcium + D3+K2?
Based on proven scientific research
Bone HealthStrong
Calcium AbsorptionModerate
Muscle FunctionMild
Good For:
What Are the Side Effects of Swisse OST Calcium + D3+K2?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•Calcium citrate 600 mg daily (2 tablets) is well below the 2500 mg upper limit for adults and generally safe.
•Vitamin D3 at 25 mcg (1000 IU) daily from 2 tablets is within standard maintenance ranges with low risk of hypercalcemia in healthy adults.
•Menaquinone-7 (MK-7) 180 mcg daily has no established upper limit and is well-tolerated in studies.
•May interact with blood thinners such as warfarin due to vitamin K content; consult a doctor if on anticoagulants.
•Suitable during pregnancy only under medical advice; keep out of reach of children and follow label directions.
•Contains calcium; high doses with certain medications (e.g., bisphosphonates, antibiotics) may reduce absorption.
Potential Side Effects
Negative Interactions
Inactive Ingredients
Film coating
Low RiskWhat Are the Ingredients in Swisse OST Calcium + D3+K2?
Calcium (from calcium citrate tetrahydrate)
300 mg
Vitamin D3 (colecalciferol)
12.5 mcg
Menaquinone-7
90 mcg
film coating
Dosage & Bioavailability
How the active doses and forms in OST Calcium + D3+K2 compare to the research.
•Calcium (from calcium citrate tetrahydrate) — 300 mg per tablet (600 mg daily from 2 tablets); citrate form offers good solubility and absorption independent of meal acidity.
•Vitamin D3 (colecalciferol) — 12.5 micrograms per tablet (25 micrograms daily); within typical 10-50 microgram maintenance ranges studied.
•Menaquinone-7 — 90 micrograms per tablet (180 micrograms daily); MK-7 form shows longer half-life and higher bioavailability than shorter-chain vitamin K2 variants in comparative.
Frequently Asked Questions
Common questions about Swisse OST Calcium + D3+K2