I don't give my amazons cuttlefish nor my greys
They all have a tiny pinch of Nutrobal once every other week - full vitamin and mineral requirements very useful for selective eaters (buy the smallest tub you can as it lasts for ages especially if kept in the fridge). Or if you think your feathered friend is lacking essential amino acids as well as minerals, vitamins and trace elements get hold of a bottle of NecktonS and you can pop a couple of drips in the water bowl.
My amazons looooove fruit and also love their greens but watch them when it comes to fatty stuff like peanuts, sunflower seeds etc they can be piglets and over do it and are prone to fatty liver disease .... amazons are lazy birds why fly when you can convince your human slave to take you where you want to go!
My two male amazons (double yellow head and a blue front) are both prone to getting nasty tempered when they get too much fat in their diet so something to watch out for.
Mine love to get absolutely soaking wet through so make sure your spray bottle is large enough to hold enough water,
Nobody baths like an amazon!
This is a link to pictures of my two boys after a bath
Because Nobody Baths Like An Amazon | The Parrot Club