Any live carpet beetles (eggs/larvae/adults) accidentally consumed would die fairly quickly in the digestive tract so I really don't think there is any health risk there. Additionally they are not poisonous and don't carry any (human) diseases so really health issues are minor. read more
These insects don't bite humans, but they can cause a bumpy, itchy, rash that is sometimes mistaken for bed bug bites. This is due to prolonged contact with the hair fibers on the body of carpet beetle larvae. read more