The trick here is not only to avoid all obvious sources of carbohydrate (sweets, bread, spaghetti, rice, potatoes), but also to be careful with your protein intake. If you eat large amounts of meat, eggs and the like, the excess protein will be converted into glucose in your body. Large amounts of protein can also raise your insulin levels somewhat. This compromises optimal ketosis.
“Do what works for you,” Langer says. “And if something doesn’t, change it. There’s a million other ways to go about it. There are no absolutes in nutrition.” Case in point: In a 2018 JAMA study, when more 600 adults who were classified as overweight followed a low-fat or low-carb eating plan over the course of 12 months, everyone lost about the same amount of weight.
Fathi, Y., Faghih, S., Zibaeenezhad, M. J., & Tabatabaei, S. H. (2016, February). Kefir drink leads to a similar weight loss, compared with milk, in a dairy-rich non-energy-restricted diet in overweight or obese premenopausal women: A randomized controlled trial. European Journal of Nutrition, 55(1), 295–304. Retrieved from https://link.springer.com/article/10.1007/s00394-015-0846-9
It might not build you like Popeye overnight, but add a bit of the green stuff on the side of your plate if you want to lose weight fast. It’s thanks to spinach’s ecdysteroids, natural compounds found in the veg, that increase the levels of protein adiponectin, which makes fat cells more sensitive to insulin, and breaks down fat. It’s really that easy.
Control Your Environments. Another simple strategy to help cut calories is to control your environment -- everything from stocking your kitchen with lots of healthy options to choosing the right restaurants. That means avoiding the temptation by staying away from all-you-can-eat restaurants. And when it comes to parties, "eat a healthy snack before so you won't be starving, and be selective when you fill your plate at the buffet," suggests Ward. Before going back for more food, wait at least 15 minutes and have a big glass of water.