[entwife]

> 5000 milligrams of C a day for years

Vitamin C supplements are synthesized from fermentation products of corn and wheat. [0]

A single lemon contains about 32 milligrams of Vitamin C, along with many other things. This study showed that it's lemon extract, not vitamin C alone, that improves kidney stones.

[0] https://pubmed.ncbi.nlm.nih.gov/24258144/

[noduerme]

Yeah, I'd assume it's something in lemons that has the absolute opposite effect of Vitamin C, if it breaks up stones. I believe on strong circumstantial evidence that vitamin C contributes to them, so whatever lemons have, my dad should've squeezed more of it.

[senortumnus]

Citrate