Wild Animals are generally highest quality.

>Fish is a very important part of a healthy diet. Fish and other seafood are the major sources of healthful long-chain omega-3 fats and are also rich in other nutrients such as vitamin D and selenium, high in protein, and low in saturated fat. There is strong evidence that eating fish or taking fish oil is good for the heart and blood vessels.
https://www.hsph.harvard.edu/nutritionsource/fish

>"There's evidence that shows red meat and processed meats - such as bacon and sausage - are not good for your health," says Zumpano. "Anytime you choose to have red meat, it should be the leanest cut you can find and you should limit the amount."
https://health.clevelandclinic.org/is-red-meat-bad-for-you

Factory farmed meat and dairy are unhealthy and the animals are treated with cruelty. "Organic" designation is an improvement, but in cases of "Organic" industrial farming, the process is often still cruel and unethical. For example, nearly all Organic milk comes from cows who are forcibly, artificially impregnated, then their calves are taken from them. Female calves are enlisted into the business (they lose their mothers and their children); males are generally veal-crated or killed.

>Abrupt and early weaning, such as occurs on the typical dairy farm, appears to be distressing for both calf and cow, says Weary. "The calves will engage in repetitive crying..."
https://www.wired.com/2014/06/the-emotional-lives-of-dairy-cows

Milk is for babies. Water is generally better.

Ethical food itself is not just healthier for you. Kindness is also good for your heart.