Potassium carbonate is one of the chemicals left behind ... involves the reduction of certain metal oxides by aluminum (Al) powder. (Originally, reduction involved the chemical removal of oxygen ...

Psyllium husk 0.6g, calcium (as carbonate) 60mg; per cap; contains potassium. 3.4g of powder in 8oz liquid, or 2 wafers or 5 caps with 8oz liquid 1–3 times daily, or 5 caps plus calcium with 8oz ...