Johnston & Jeff Suet Pellets with Berries. Suet Pellets are an excellent and nutritious food high in fats and calories which the birds need. They are a wonderful high-energy source and are easily digestible making them great for both young and adult birds. Suet Pellets with Berries provide additional vitamin C which aids tissue growth adrenal gland function and is an antioxidant which helps build the immune system.CompositionCereals beef suet seeds peanut flour glycerol raisins rowan berries calcium.Additives Natural colourant – red.Suitable forBlackbirds Dunnocks Blue Tits Coal Tits Great Tits Bullfinches Chaffinches Greenfinches Bramblings Great Spotted Woodpeckers Nuthatches Robins Starlings Siskins Wrens Tree Sparrows House Sparrows Song Thrushes Mistle Thrushes and Yellowhammers.