Sherri Shafer

Sherri Shafer, RD, CDE, is a senior registered dietitian and a certified diabetes educator at the University of California San Francisco Medical Center. She teaches diabetes self-management workshops and provides nutrition counseling for individuals with type 1 diabetes, type 2 diabetes, prediabetes, and gestational dia-betes. She is also the author of Diabetes Type 2: Complete Food Management Program.

Articles & Books From Sherri Shafer

Article / Updated 06-06-2017
The Dietary Reference Intakes (DRI) for Americans minimum for carbohydrate is 130 grams per day, and the suggested carb intake range is calculated at 45–65 percent of caloric targets. Some people with diabetes opt to go somewhat lower, such as 40 percent. Targets should be individualized based on preference and health considerations.
Article / Updated 06-06-2017
For decades, people with diabetes were told not to eat sugar. Avoiding sugar won't automatically keep blood-glucose levels in range if there are no controls on the overall carb intake. Skipping the cookie doesn't erase the carbs in the rest of the meal. Managing carbs for diabetes means all carbs in the meal need to be accounted for, not just the dessert.
Article / Updated 06-06-2017
A common misconception about alcohol is that many people assume alcohol turns to sugar, or alcohol will raise their blood-glucose levels. Actually, hard liquor doesn't have any carb, wine is very low in carb, and beer has about as much carb as a piece of bread: Hard alcohol (distilled spirits) doesn't have any carbs, except for whatever it's mixed with.
Article / Updated 06-06-2017
Carbohydrate requirements can change throughout life. Your carb demands may even change seasonally if your activity levels vary according to the time of year. The following discussion explores situations that may call for making adjustments to your carb intakes. Changing carb needs throughout the life cycle Childhood and adolescence are times when dietary needs are constantly changing.
Article / Updated 06-06-2017
Sugar alcohol is a modified form of carbohydrate. Many products that claim to be sugar free are sweetened with a substance known as sugar alcohol (or polyol). Despite the name, sugar alcohol does not have any sugar, and it does not have any alcohol. Hydrogen is added to various forms of carbohydrate and chemical bonds are shifted, and then voilá — you have a new form of carbohydrate known as sugar alcohol.
Article / Updated 06-06-2017
Simply put, alcohol impairs glucose regulation. It is important not to drink alcohol on an empty stomach. A mini physiology review may shed some light on why it's so important to have carbs digesting when you have a drink.Blood-glucose levels are at their highest typically one to two hours after eating a mixed meal.
Article / Updated 06-05-2017
Fiber is unique because it is a form of carbohydrate that doesn't digest. Fiber comes from plant foods such as whole grains, legumes, fruits, and vegetables. (Meats, dairy products, fats, and oils don't have any dietary fiber.) Bottom line: When counting carbs, you don't need to count fiber since it doesn't end up raising your blood-glucose levels.
Article / Updated 06-05-2017
To be successful counting carbs, especially if you have diabetes, you need to make use of the many carb-counting resources available to you. The following discussion introduces food labels, food lists, menus, brochures, apps, websites, and more. Looking at the label lingo Nutrition details are clearly marked on packaged foods.
Article / Updated 06-05-2017
Fruit digests quickly, which is why it's usually better for blood-glucose control to eat smaller amounts of fruit throughout the day rather than too much at one time. Fruit juice digests even faster than whole fruit. You can measure the effect on your blood glucose about 15 minutes after the time you drink it.
Article / Updated 06-05-2017
Blood glucose is expected to be at its highest level about one to two hours after a meal, as long as it is a fairly balanced meal and not excessively high in fat. The meal should be finished digesting in roughly four hours.Rapid-acting insulin works its hardest (peaks) about an hour after being injected and finishes working in about four hours.