Calcium Supplements

Uses

How it works

Benefits

Dosage & preparation

Risks & contraindications

Comparisons

Background

Evidence quality

Where it comes from

Highlighted claims

• Calcium carbonate supplements should be avoided in favour of calcium citrate or calcium lactate, which have much better absorption. — Calcium Food Sources Without Dairy on Keto
• Calcium supplements increase bone density on DEXA scans but do not reduce fracture risk. — The Calcium-Osteoporosis Myth
• Without vitamin K2, calcium from supplements is deposited into vascular tissue rather than directed to bone. — The #1 Cause of Arterial Stiffness (Hypertension)
• Sufficient dietary calcium is essential, but supplemental calcium in large doses causes more harm than good. — The Calcium-Osteoporosis Myth
• Calcium supplements actually increase fracture risk. — The Calcium-Osteoporosis Myth
• Calcium carbonate is essentially limestone and requires approximately 12 chemical reactions to break down, leaving it largely unabsorbed. — Calcium Food Sources Without Dairy on Keto
• Whole-food calcium is strongly preferred over supplementation because supplemental need is rare. — Calcium Food Sources Without Dairy on Keto
• The standard clinical recommendation was to supplement with 1,200 mg of calcium per day to rebuild bone density in postmenopausal women with osteoporosis. — The Big REGRET I Had in Practice
• A meta-analysis of 15 independent clinical trials found that extra calcium supplementation increased heart attack risk by 30% and stroke risk by 20%. — The Big REGRET I Had in Practice
• A Swedish cohort study of 61,000 people found that calcium intake above 1,400 mg per day was associated with a 114% increase in cardiovascular mortality. — The Big REGRET I Had in Practice