Diabetes is one of the most common chronic diseases in the world. In 2014, diabetes affected about 387 million people worldwide and resulted in $612 billion dollars of health-related costs.  Unfortunately, as a conventional western lifestyle of poor nutrition and exercise habits becomes more popular, diabetes is expected to affect about 592 million people worldwide.  In the United States alone, diabetes increased from 5.58 diagnosed cases in 1980 to 22.3 million diagnose cases in 2013. 
You may have noticed a bit of an explosion of gluten-free offerings on your grocery store shelves. Some may call it a trend, but over the last 70 years there’s been a steady increase in the number of people who don’t tolerate gluten or other grain proteins. People with a sensitivity, intolerance or full-on Celiac disease experience any combination of brain fog, inflammation, fatigue, joint pain, and gut issues – and they tend to resolve simply by avoiding grains.
Fat isn’t unlimited either. As with wine, it's possible to get too much of a good thing when it comes to healthy fats. The American Heart Association points out that while the Mediterranean diet meets heart-healthy diet limits for saturated fat, your total fat consumption could be greater than the daily recommended amount if you aren't careful. That’s 65 g per day. (32)
People claiming huge benefits of these supplements – despite the lack of solid scientific support – may sometimes have a financial reason to believe in the supplements. Some of these products are sold under a multi-level marketing arrangement, where sales people are paid based on commission. For example, the company Prüvit sells drinkable ketones, called KETO//OS with a multi-level marketing structure.