Spaghetti squash with parsley, olive oil, snow peas, garlic, salt, pepper
I’m astounded by how many people with diabetes I meet who pretty much eat whatever they want. Others, when I ask if they’re on a particular diet, say, “I watch what I eat.” Which usually just means avoiding obvious sugar bombs.
The American Diabetes Association in 2019 hosted a conference on nutrition therapy for diabetes. I assume the ADA endorses the panel’s recommendations. The big news is continued movement toward carb-restricted eating. Some excerpts:
Today, there is strong evidence to support both the efficacy and cost-effectiveness of nutrition therapy as a key component of integrated management of individuals with diabetes. This is increasingly relevant as it is evident that “one-size-fits-all” eating plan is not suitable for prevention or management of diabetes, also considering diverse cultural backgrounds, personal preferences, comorbidities, and socioeconomic settings. The American Diabetes Association (ADA) is now emphasizing that medical nutrition therapy (MNT) is fundamental for optimal diabetes management, and the new report also includes information on prediabetes.
One of the key recommendations is to refer adults living with type 1 or type 2 diabetes to individualized, diabetes-focused MNT [medical nutrition therapy] at diagnosis and as needed throughout the life span, particularly during times of changing health status to achieve treatment goals.
The new consensus recommendations consider that a variety of eating patterns are acceptable for the management of diabetes.
In the absence of additional strong evidence on the comparative benefits of different eating patterns in specific individuals, healthcare providers should focus on the key factors that are common among the patterns, including emphasizing non-starchy vegetables, minimizing added sugars and refined grains, and preferring whole foods over highly processed foods.
Reducing overall carbohydrate intake for individuals with diabetes is associated with the most evidence for improving glycemia and may be applied in a variety of eating patterns.
For selected adults with type 2 diabetes who are not meeting glycemic targets or where reducing anti-glycemic medications is a priority, reducing overall carbohydrate intake with low or very low carbohydrate eating plans is also a viable approach.
Regarding weight loss in overweight or obese folks with diabetes or prediabetes:
…a low carbohydrate diet is now recognized as a safe, viable, and important option for patients with diabetes, and the other is that greater emphasis is now placed on weight loss in patients who are overweight/obese for the prevention of diabetes and its treatment.
Indeed, in type 2 diabetes, 5% weight loss is recommended to achieve clinical benefits, with a goal of 15%, when feasible and safe, in order to achieve optimal outcomes.
In prediabetes, the goal is 7–10% for preventing progression to type 2 diabetes.
“Metabolic surgery,” better known as bariatric surgery, and medication-assisted weight loss (aka weight-loss drugs) should be considered in some cases.
Best approach for optimizing blood sugars:
For macronutrients, the available evidence suggests that there is not an ideal percentage of calories from carbohydrate, protein, and fat for all people with or at risk for diabetes; therefore, macronutrient distribution should be based on individualized assessment of current eating patterns, preferences, and metabolic goals.
[Self-monitoring of carbohydrate consumption is important.]
People with diabetes and those at risk for diabetes are encouraged to consume at least the amount of dietary fiber recommended for the general population; increasing fiber intake, preferably through food (vegetables, pulses (beans, peas, and lentils), fruits, and whole intact grains) or through dietary supplement, may help in modestly lowering HbA1C.
What about sugar-sweetened beverages?
Firstly, sugar-sweetened beverages should be replaced with water as often as possible.
Secondly, if sugar substitutes are used to reduce overall calorie and carbohydrate intake, people should be counseled to avoid compensating with intake of additional calories from other food sources.
Is alcohol forbidden? No.
…educating people with diabetes about the signs, symptoms, and self-management of delayed hypoglycemia after drinking alcohol, especially when using insulin or insulin secretagogues, is recommended.
To reduce hypoglycemia risk, the importance of glucose monitoring after drinking alcohol beverages should be emphasized.
Steve Parker, M.D.
PS: I note that William Yancy, M.D., was on the expert panel.
PPS: Bold emphasis above is mine.
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