There are many pros for eating your salad before the “main” section of your meal.
1/ First and foremost – if you are trying to get more veggies and water into your system, eating your salad/veggies first will ensure that you finish those up before you get too full.
2/ For those looking for weight loss – the same applies
3/ I did find this article indicating the benefits of eating salad/veggies prior to heavier protein consumption as well.
The article indicates that if you are looking to feel less bloated after a meal, eating the veggies first will help.
“The idea is to eat from light to heavy,” explains Javitch. “Salad wants to move through the body faster than denser food.” Putting raw, water-packed vegetables into your body first helps to lubricate your digestive path, and acts as “an enzymatic spark,” she says, one that makes it easier to later move heavier food through the body. This is integral to reducing congestion, gas, and pressure—which can build up when raw veggies follow, say, a slow-moving sandwich. (In that case, they’ll stay in your system longer than they need to, undergoing decomposition and fermentation before leaving the stomach.)
For those averse to lettuce, even noshing on hydrating vegetables like carrots, celery, or bell peppers before you dig into standard barbecue fare will be enough to aid in healthy digestion. And if a handful of cucumber slices before your lobster rolls means more energy, less puff, and overall physical comfort, what have you got to lose?
So whether you are looking to consume more veggies, lose weight or feel less bloated, there seems to be evidence enough to eat that salad first!