Ground flaxseed — Food safety facts
Feed with care · Dogs · full breakdown on the linked food page
A pinch of ground flaxseed is safe and adds fibre. Skip if your pet has pancreas issues.
Short answer
It's a mild risk. That's a large amount for a dog and could cause digestive upset like gas or diarrhea. Offer plenty of water, watch for vomiting or a bloated belly, and call your vet if you see those signs.