Most caffeinated coffees are low in toxins
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Research shows that most caffeinated coffees are largely free of harmful toxins, making them a generally safe choice for daily consumption. However, a few exceptions exist, often due to contamination during processing or packaging. Choosing reputable brands and proper brewing methods can help minimize any potential risks.
Source
Poole R, Kennedy O J, Roderick P, Fallowfield J A, Hayes P C, Parkes J et al. Coffee consumption and health: umbrella review of meta-analyses of multiple health outcomes BMJ 2017; 359 :j5024 doi:10.1136/bmj.j5024
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