No. Garlic contains allicin, which causes anemia and weakness in birds, just like its cousin the onion.
Keeper's noteLike onion powder, garlic powder is everywhere in processed and restaurant food. When in doubt about a seasoned dish, don't share it.
Why garlic is dangerous for parrots
Garlic's sulfur compounds, including allicin, damage red blood cells in birds. Despite folk-remedy claims that garlic 'boosts immunity', there is no safe, beneficial dose for parrots — the documented effect is hemolytic anemia.
My parrot already ate some — what now?
Remove all remaining food from the cage, note what and roughly how much was eaten, and call an avian vet or an animal poison control hotline immediately. Do not wait for symptoms — early treatment makes the difference.