Whats the best dogfood/diet for my 5 month old female akita including supplements

Read the ingredients on the food you buy. Go with a high quality dog food. A grain should not be in the first couple ingredients ingredient (corn and such are mainly fillers, dogs don't digest it well). Avoid foods that have a lot of "by products" listed.

Of course, at this stage in life, she'll need food formulated for puppies to help her grow. (Nearly all brands of dog food make "puppy food" in additional to their regular foods.)

Here are some good foods (these are just a few, there are definitely more brands out there that are quality dog food, but it will give you an idea of the ingredients to look for):

Chicken Soup Brand - http://www.chickensoupforthepetloverssou...

Merrick - http://www.merrickpetcare.com/

Innova - http://www.naturapet.com/brands/innova.a...

Or check this website to find GOOD dog foods, not full of fillers and byproducts, they rate dog foods based on the ingredients, 6 being the best. I would recommend feeding only 4+ star foods. Any food 3 stars or less, I would avoid.

http://www.dogfoodanalysis.com/dog_food_...

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Here's an ingredient comparison of not-so-good food (in this case, Pedigree), to good food (in this case, Chicken Soup brand):

Pedigree:

Ground Whole Corn, Chicken By-Product Meal, Rice, Corn Gluten Meal, Animal Fat (preserved with BHA/BHT), Meat and Bone Meal, Natural Poultry Flavor, Wheat Mill Run, Potassium Chloride, Wheat Flour, Salt, Carmel Color, Vegetable Oil (Source of Linoleic Acid), Vitamins (Choline Chloride, dl-Alpha Tocopherol Acetate [Source of Vitamin E], L-Ascorbyl-2-Polyphosphate [Source of Vitamin C*], Vitamin A Supplement, Thiamine Mononitrate [Vitamin B1], Biotin, d-Calcium Pantothenate, Riboflavin Supplement [Vitamin B2], Vitamin D3 Supplement, Vitamin B12 Supplement), Minerals (Zinc Sulfate, Copper Sulfate, Potassium Iodide), Added FD&C and Lake Colors (Yellow 6, Blue 2, Red 40, Yellow 5).