[anonymous]

These two look good to me.

https://www.gofromm.com/fromm-family-large-breed-puppy-gold-food-for-dogs

https://www.chewy.com/purina-pro-plan-focus-puppy-large/dp/52425

For science based veterinary medicine go here: http://skeptvet.com/Blog/2010/01/nutrition-in-large-breed-puppies/
You can use the search engine at that site to look up “nutrition” for more informative articles.
I have found the site very helpful. Good luck with your puppy.