A 2019 analysis of diets in the United States ranked consumption of a paleolithic diet as more environmentally harmful than consumption of an omnivorous diet, though not so harmful as a ketogenic diet. [59] Shariatmadari D (22 October 2014). "What language tells us about the roots of the stone age diet". The Guardian . Retrieved 17 March 2015.

For calcium deficicency see Tarantino, Citro & Finelli 2015; for other risks see Obert et al. 2017. Support: You can do this diet on your own. If you want to connect to your fellow Paleos, there are Paleo Diet forums online. What Kathleen Zelman, MPH, RD, Says: In addition, legumes are one of the primary protein sources in the vegan and vegetarian diet, which may make the paleo diet unrealistic for vegans and vegetarians ( 11). You’ll lose weight because anytime you restrict entire food groups, your calorie intake tends to be lower, Dr. Sandon says. And according to the National Heart, Lung, and Blood Institute, whenever you burn more calories than you consume, you'll lose weight. The focus on lean protein, fruits, and vegetables over calorie- and sodium-rich processed foods can also contribute to weight loss, according to research on other diet plans that incorporate these tenets of healthy eating. But Sandon points out that the paleo diet wasn’t created to be a weight loss diet. The paleo diet includes foods high in fiber, like vegetables, fruits, and nuts. Since foods high in fiber can have a laxative effect, a person transitioning from a low fiber diet to a paleo diet could experience gastric distress, such as bloating, as a result ( 12, 13).But there are also good reasons to believe the claims that the diet has some profound benefits for weight loss and maintenance. By cutting out all the crap people tend to eat every day, including sugar, saturated fat, and all those chemical preservatives, it’s no surprise that your body will start to become healthier.But, I did find a few downsides as well. What Are The Side Effects?

Eliminating all grains, dairy, processed foods, sugar, and more will most likely lead to weight loss, but it may be a tough plan to follow long term due to the dietary limitations and restrictions.

What is a Paleo diet?

Legumes are rich in fiber, protein, and various micronutrients, including iron, zinc, and copper, while dairy products have essential nutrients like calcium, which is important for bone health ( 9, 10). Exercise : Not required when you're losing weight. But Cordain strongly recommends it to maintain weight loss and for overall health. Does It Allow for Dietary Restrictions or Preferences?

Zimmer C (13 August 2015). "For Evolving Brains, a 'Paleo' Diet Full of Carbs". The New York Times . Retrieved 14 August 2015.To put it simply, a vegan diet excludes all meat and animal products (meat, poultry, fish, seafood, dairy, and eggs); a vegetarian diet removes the meat, poultry, fish, and seafood. In contrast, a plant-based diet may choose to eat meat and animal products for different reasons. Given the concerns over inadequate calcium and vitamin D, those who are at risk of osteoporosis (such as thin women over age 50) should proceed with caution and work with a doctor to make sure they’re maintaining appropriate levels of these nutrients. ( 8, 9)