>protein shake
https://www.consumerreports.org/dietary-supplements/heavy-metals-in-protein-supplements/
"Arsenic, Lead Found in Popular Protein Supplements"
"The new study from the Clean Label Project, (a nonprofit organization that examines labeling safety issues) found that virtually all of the 134 products tested contained detectable levels of at least one heavy metal and 55 percent tested positive for BPA."
>soylent
There's literally 20g of fat (oil) per drink. Avoid soylent like the plague. You are basically drinking a shot glass full of oil!