Out of all lean meats, duck has the highest level of a muscle-building form of polyunsaturated fat called arachidonic acid, or AA. Supplementation of arachidonic acid has been shown to increase lean body mass, strength and anaerobic power in men. In a study at the University of Tampa, men who took AA gained 3.4 pounds more lean muscle mass than those who took a placebo. Keep bumping up the burn with these best foods for a toned body.
Saturated fat. This is a type of fat that comes mainly from animal sources of food, such as red meat, poultry and full-fat dairy products. Saturated fat raises total blood cholesterol levels and low-density lipoprotein (LDL) cholesterol levels, which can increase your risk of cardiovascular disease. Saturated fat may also increase your risk of type 2 diabetes.
The type of fatty acids that make up coconut oil’s saturated fat content is medium chain triglycerides (MCT) and are about 65% of its fat content. Unlike long chain fatty acids (the majority of fats in our diet) which must go through modification prior to being digested and absorbed in our bodies, medium chain triglycerides are passively diffused from our gastrointestinal tract to the portal system. In other words, our bodies find it super easy to break down the fat before getting rapidly absorbed and used for energy by the body. Coming from a clinical background, MCT’s are very commonly used in treating people who have malabsorption issues, are on ketogenic diets, or are increasing calories without much volume.
The guidance on saturated fat is a little more complicated. Old nutrition research said saturated fat was really bad for your cholesterol levels, but newer information suggests it has a more neutral effect. The topic is very touchy, and the USDA Dietary Guidelines and the American Heart Association still recommend limiting your intake and opting for monounsaturated and polyunsaturated fats instead. Many of the healthy foods below have some saturated fat in them, but it doesn’t make up the majority of the fat content and won’t negate the positive effects of the healthier fats.
Red meat provides us with healthy fats, in particular, conjugated linoleic acid, or CLA—the trans fat that actually helps improve heart health and reduce belly fat—and stearic acid, a saturated fat that actually reduces LDL cholesterol. But grass-fed beef is even better than what you’ve traditionally been grabbing. In fact, a study in Nutrition Journal found that grass-fed beef is higher in CLA, stearic acid, and omega-3 fatty acid (because grass contains ALA and corn does not), and lower in unhealthy palmitic acid, than conventionally raised beef. And when it comes to your waistline, grass-fed beef is naturally leaner and has fewer calories than conventional meat.
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When in the correct balance with omega-3 fats, omega-6 fats are healing fats. Like omega-3 fatty acids, omega-6 fatty acids are polyunsaturated fats. There are healthy and unhealthy sources of omega-6 fats. Healthy sources include sunflower seeds, wheat germ, sesame seeds, and walnuts. When eaten in the ideal ratio with omega-3 fats (between 4:1 and 1:1), these omega-6 fats promote health.
Unfortunately, buying this healthy fat isn’t as easy as just grabbing the first bottle you see. Make sure to pick only extra virgin varieties of the oil, which means no chemicals are involved when the oil is refined. Unfortunately, many common brands have been shown to fail the standards for extra virgin olive oils, meaning it’s important to choose wisely.