Generally safe in small amounts. Plain unsweetened best. Some contain xylitol - always check label.
GI upset from additives or large amounts
Check for xylitol. Plain unsweetened small amounts OK occasionally.
Cherry pits, stems, and leaves contain cyanide. The flesh itself is not toxic but can cause digestive upset.
Spinach contains oxalates which can cause kidney issues in large amounts.
Most adult pets are lactose intolerant. Milk can cause digestive upset.
Alcohol is extremely dangerous for pets. Even small amounts can cause severe poisoning.
Caffeine is toxic to dogs and cats. Can cause rapid heart rate, seizures, and death.
Peach flesh is safe but the pit contains cyanide.