A number of other small studies support this idea, known as «immunotherapy,» for overcoming
various types of food allergies, but it's still unclear how long the effects last — it may be that people have to keep consuming the allergen regularly to avoid becoming allergic again — and exposing allergic individuals to their offending allergens can, of course, be risky.
There are
various types of Natural Balance dry
food formulas — the Ultra Premium Formulas are designed for all life stages, that is, from puppies through adulthood; the Grain - Free Formulas are formulated for puppies and dogs with a history
of food allergies; the new Alpha Dog Formulas are for puppies and adults; and the Synergy Ultra Formula.