O2O is NO HARM to health of accidental consumption
A simple answer would be accidentally consuming O2O oxygen absorber should not have an adverse effect on the human (Adults & children) and pet health. O2O Oxygen Absorber is not for consumption but it is harmless and non-toxic.
For the academic part, our products are fully tested by SGS from film materials (outside) to ingredients (inside). They are all safe and no harm to health.
We have done an oral toxicity test, the result shows the product it's harmless if consumed. We've fed 10 female and 10 male mice O2O oxygen absorber every day for 14 days. TEST RESULT(S): All animals have no abnormal clinical symptoms and no premature deaths occurred during 14 days. O2O oxygen absorber is harmless, non-toxic and safe if someone consumes it accidentally.
Suggestion: drink lots of water
If there are issues which concern you, discuss the matter with customer services which can be found from the their brand packages or website; tell your situation, I am sure they are happy to help. Many thanks for your understanding.