Whatever keeps your dog's body mass down [0].

[0] https://newscenter.purina.com/LifeSpanStudy

Any of the mainstream brands like Purina. They have excellent science behind their food and it will keep your pet healthy. They have a brand to defend, after all. If they made pets sick, they’d be done for.

Source: a vet friend

Better ask that to a vet directly, if possible.