Most people are aware that plants are usually a poor source of calcium for us due to oxalates and phytic acid.
But they fail to ask themselves how a caveman would get his calcium without on-demand sardines, dairy or selectively bred plants.
The answer is easier done than said:
W A T E R
A
T
E
R
The average mineral water has about 150mg/ worth of calcium, so if you drink 2-3 liters of water per day, that's easily 300-450mg from water alone.
Here are some studies showing that calcium in mineral water has about the same bioavailability as milk and calcium supplements:
https://pubmed.ncbi.nlm.nih.gov/28628402/
https://academic.oup.com/ajcn/article/84/2/371/4881820
https://www.researchgate.net/publication/15706988_Calcium_bioavailability_from_a_calcium-_and_sulfate-rich_mineral_water_compared_with_milk_in_young_adult_women
On the same topic, most mineral waters are going to have a good chunk of magnesium too, which can easily cover anywhere between 20% and 40% of the RDA.
So don't be cheap and buy yourself some good quality mineral water.
Most people are aware that plants are usually a poor source of calcium for us due to oxalates and phytic acid.
But they fail to ask themselves how a caveman would get his calcium without on-demand sardines, dairy or selectively bred plants.
The answer is easier done than said:
W A T E R
A
T
E
R
The average mineral water has about 150mg/ worth of calcium, so if you drink 2-3 liters of water per day, that's easily 300-450mg from water alone.
Here are some studies showing that calcium in mineral water has about the same bioavailability as milk and calcium supplements:
https://pubmed.ncbi.nlm.nih.gov/28628402/
https://academic.oup.com/ajcn/article/84/2/371/4881820
https://www.researchgate.net/publication/15706988_Calcium_bioavailability_from_a_calcium-_and_sulfate-rich_mineral_water_compared_with_milk_in_young_adult_women
On the same topic, most mineral waters are going to have a good chunk of magnesium too, which can easily cover anywhere between 20% and 40% of the RDA.
So don't be cheap and buy yourself some good quality mineral water.
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