Bruce Friedrich has devoted his life to reducing American meat consumption—and he isn’t giving up just yet.

It’s a confusing time to be a health-conscious eater. Everyone and their mother is telling you to load up on your protein, and we've spent the past decade emphasizing plant-based proteins for health.

Billions of animals are killed each year to feed an unsustainable demand for meat. Lab-grown meat—also known as cultured, cultivated, cell-based, or clean meat—can offer a kinder alternative while ...