Kaleido Biosciences, Inc. is on the Cruelty Free Investing use of animals list because they conduct pre-clinical studies of their drugs on animals to assess a product’s safety profile.
The company stated in the following report that they exploit animals for product testing.
“Our approach is human-centric because we conduct the vast majority of our research either using human biological samples or directly in humans, rather than working in animal models and animals or other human proxy environments (e.g. target-based assays).” (Page 2) Read the full document
Company Website: https://www.kaleido.com