If I understand correctly the main source of these heavy metals is the brown rice protein, thus anything containing it may potentially have the same issue as Soylent.
A bit of googling shows up that there have been recent concerns about heavy metals contamination in rice grown in various Asian countries which is then traded worldwide.
Here’s hoping that Australian soylent (Aussie soylent I think it was) is alright, as with all the other DIY soylents...
If I understand correctly the main source of these heavy metals is the brown rice protein, thus anything containing it may potentially have the same issue as Soylent.
A bit of googling shows up that there have been recent concerns about heavy metals contamination in rice grown in various Asian countries which is then traded worldwide.