Allias

I have already tried thiamine supplementation with a supplement containing group B vitamins and therefore B1 with calcium cane changes nothing. No alcohol, I eat a normal amount of carbohydrates, my potassium, magnesium, sodium, total calcium levels are normal but not ionized calcium which is the active form of calcium in the body my vit d level is normal...

yes my magnesium level is normal

No, all this is related to calcium. Why would I then have a low ionized calcium level and a high PTH (hormone that controls the balance of blood calcium)? Your thiamine story doesn't hold up.

Hello, I have chronic malabsorption of calcium, iron and vitamin B9 linked to celiac disease. I manage to compensate for the deficiencies thanks to iron and vitamin B9 supplements but not calcium (I have tried a lot of calcium supplements and different easily absorbable forms of calcium citrate, calcium chloride, calcium bisglycinate, etc.). Symptomatically...