Everything about Calcium
All articles on Calcium — from dosage to timing, explained clearly.
Buying calcium: elemental mg, not mg of salt
Which number on the pack counts, how large the daily serving should be, what tablet size tells you — and how two calcium products can really be compared.
Vegan calcium: what actually gets absorbed
Kale, tofu, sesame, plant drinks: which plant calcium sources the body takes up — and why the oxalate in spinach blocks almost all of it.
Calcium and vitamin K2: why K2 gets mentioned
K2 is said to steer calcium into bone instead of arteries. What is authorised, what EFSA examined and rejected — and which pair actually belongs together.
Calcium and vitamin D: why they share a tablet
Vitamin D decides how much calcium the gut absorbs — which is why both sit in one tablet. When the combination makes sense and when one of the two is enough.
Calcium and magnesium: together or apart?
Whether calcium and magnesium can be taken together, how large the single portions should be and why the ratio is the wrong question.
Daily calcium needs: 800 mg label, 1,000 mg advised
The pack states 800 mg as a reference value, the DGE recommends 1,000 mg. What the daily requirement is, how much food covers and when a tablet helps.
Calcium in food: the portion beats the 100 g figure
Cheese, kale, mineral water, plant drink: how much calcium each food delivers per portion — and the two places in the chiller cabinet where the sum falls apart.
Calcium forms: carbonate, citrate, gluconate
Which calcium compound is worth it: elemental content, stomach acid and what the studies really show about absorption — and why serving size decides more than the salt.
Taking calcium: dose per serving and spacing
Why the size of a single dose matters more than the time of day, which gap to iron, zinc and medicines is real — and which one, by the measurements, is not.