The regular version of TOTW is fine and was considered "all life stages" for the longest time. Only recently, "mid-november" quoted from their site, did they start integrating a puppy formula. Here's the link to their info about it.
"Puppies that started on an adult formula can continue on that formula, however, if a customer would like their puppy to benefit from the additional nutrients in the puppy formulas, they can transition from one of the adult formulas. "
Taste of the Wild : Promotions