Source inconsistencies, differences in bioavailability and complex physiological controls make balancing dietary phosphorus a challenging process.

New sources of plant-based proteins may be part of the answer for extending and expanding the supply of protein in pet foods. These will provide a novel approach to the thought process beyond traditional sources.

Yeast has been explored for decades as a complementary protein source. With supply chain and sustainability becoming major issues, it may be time for yeast protein meals to become a bigger player.

Black soldier fly larvae as a protein meal have emerged on the pet food ingredient scene.

Insect proteins, single-cell proteins, microalgae and pulse proteins will expand pet food's options as alternative proteins gain ground.

There are many quality choices regarding organ meats and beef by-products, despite what human squeamishness would have you believe.

There are many options and challenges to beef in the supply chain, both historically and currently; in spite of that it remains a popular pet food ingredient.

Packed with nutrition and knows as a superfood in the human food world, spinach can be a good addition to pet foods.

We take a look at kale and broccoli as health beneficial ingredients in pet foods, as well as cruciferous vegetables in general and their place in human and pet products.

Including apples or apple pomace in a pet’s diet could be beneficial to pet health, but more research is needed to claim so confidently.