Generally, the ketogenic diet reduces or excludes carbohydrate-containing foods, including breads, breakfast cereals, pasta, rice, quinoa, couscous, starchy vegetables (potato, sweet potato, corn), fruit, and legumes. Instead you are encouraged to consume more high fat foods, such as fatty meats, full-cream dairy, butter, nuts, avocado, olive oil and coconut oil.
Think about any social situations that will be encountered, and devise ways to handle those times when temptations to eat the "old" way will be high. You don't want to be blind sided when someone at the office brings in a box of your favorite chocolates and puts them right under your nose. Likewise, a beer with your friends usually turns into a date with potato skins and nachos. Think salad and steak instead.
A keto diet has shown to improve triglyceride levels and cholesterol levels most associated with arterial buildup. More specifically low-carb, high-fat diets show a dramatic increase in HDL and decrease in LDL particle concentration compared to low-fat diets.3A study in the long-term effects of a ketogenic diet shows a significant reduction in cholesterol levels, body weight, and blood glucose. Read more on keto and cholesterol >