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The numbers are as alarming as they are depressing. Upwards of 100 million Americans have some form of prediabetes. Twenty-five million Americans have type-2 diabetes, and one million graduate from prediabetes to full-blown type-2 diabetes each year. By some estimates, 39.7 million Americans will have types-2 diabetes by 2030.1
Blood sugar disorders dramatically increase the risk of coronary heart disease, Alzheimer’s, and even cancer. Whatever kind of health care system you might envision, the future spells disaster. That is, unless we start focusing on “self care,” says Ron Hunninghake, M.D., medical director of the nutritionally oriented Riordan Clinic in Wichita, Kansas.
Why are we faced with so many people with blood sugar problems? We’re a nation that eats far too many refined sugars (sucrose and high-fructose corn syrup) and other types of refined, simple carbohydrates, contends Robert Lustig, M.D., of the University of California, San Francisco.
Here’s how the problem starts: Sugary foods (e.g., ice cream, desserts, soft drinks) and simple carbs (e.g., white bread, pasta, pizza) are rapidly digested, leading to a sharp spike in blood sugar levels. Your pancreas responds with a surge of insulin, which lowers blood sugar levels. Sometimes, however, the insulin response is so strong that it reduces blood sugar below its original level, triggering hunger pangs. The fastest solution is to eat more sugary foods, but doing so is anything but the healthiest solution. The result is up-and-down blood-sugar cycle throughout the day, and the steady outpouring of insulin leads to overeating, “insulin resistance,” and eventually, type-2 diabetes.
Are you at risk for prediabetes and type-2 diabetes? Here are some clues.
If you suspect prediabetes or type-2 diabetes, your physician can order blood tests. However, your physician may misinterpret the results.
Most physicians diagnosis prediabetes when a person’s fasting blood-sugar (glucose) level falls between 100 and 125 mg/dl, and diabetes when a fasting blood-sugar level is 126 mg/dl or higher. Although the normal range for blood sugar falls between 65 and 99 mg/dl, the ideal blood-sugar level is actually between 82 and 88 mg/dl.4 5 6 7 8
A “normal” fasting blood sugar level above 88 mg/dl should be viewed as a red flag. In these cases, the pancreas works extra hard to secrete large amounts of insulin, which can maintain a normal blood sugar level for many years. But the excess insulin, known as hyperinsulinemia, is a sign of insulin resistance, and elevated insulin levels can presage blood-sugar problems 10 to 15 years before the actual diagnosis of diabetes.9 An ideal fasting insulin level is less than 7 mcIU/ml; higher levels portend problems. Insist that your doctor measure both your fasting blood sugar and insulin levels.
Prediabetes and type-2 diabetes are nutritional disorders, and for most people they are best prevented and controlled through healthy eating habits. I recommend that people emphasize fresh, nutrient-dense foods to obtain the most quality nutrition in each bite. For example, there’s a world of nutritional difference between 1,000 calories of salmon and vegetables and 1,000 calories of ice cream.
My top two food groups consist of quality proteins and high-fiber vegetables.
Protein offers a number of benefits. First, fish, chicken, turkey, and lean meats do not raise blood sugar levels. Instead, they stabilize and gradually lower blood sugar levels.10 11 By maintaining a relatively level blood sugar, hunger jags stop. Second, protein increases the activity of glucagon, a hormone that counteracts insulin’s negative effects. Third, the body uses protein to make and replace muscle, the principal tissue that burns blood sugar.12 13
High-fiber veggies (most anything except potatoes) also lower and stabilize blood-sugar levels.14 15 They are rich in antioxidants and have the added benefit of providing a nutritionally balanced diet. If you’re sedentary, you’ll be able to obtain your carbs from vegetables and lower sugar fruits. If you’re physically active, you can add nutritious complex carbs in the form of sweet potatoes and higher sugar fruits.
Eating a protein-rich breakfast (including one or two eggs) helps control blood sugar and weight. Breakfast skippers often end up with higher levels of adrenaline, cortisol, and insulin—a hormone combination that promotes belly fat and increases the long-term risk of prediabetes.
If eggs don’t appeal to you, consider a small amount of chicken or turkey and cheese with a side of high-fiber fruit (e.g., raspberries, blueberries, or kiwifruit) in sugar-free yogurt. Unsweetened steel-cut oatmeal also stabilizes blood sugar. (Other types of oatmeal aren’t as good in this respect.) You can sprinkle some cinnamon onto the fruit or oatmeal—studies have found that cinnamon helps promote healthy blood sugar levels.
For lunch, consider a green salad (sans croutons) with concentrated protein, such as chicken or tuna. Top with vinaigrette because vinegar can improve the glycemic response to food and increase feelings of satiety.16 17 18 19 For a relatively quick dinner, consider pan-fried salmon or rotisserie chicken with a hefty serving of steamed vegetables.
I generally don’t recommend any heavy starches, such as breads (even whole wheat), pastas, bagels, muffins, and potatoes, because these foods have low nutrient density and provide little nutritional value beyond calories. One notable exception is sourdough bread, which in moderate amounts has been shown to improve blood sugar.20 If you engage in strenuous exercise, however, you will need some extra carbs.
Many supplements help maintain normal blood sugar levels. I’ve ranked them in importance based on my interpretation of supportive scientific studies.
Both of these nutrients are required for normal insulin function. In one study, people who took 700 IU of vitamin D and 500 mg of calcium daily had virtually no increase in blood sugar levels over three years, while blood-sugar levels increased more than 6 mg/dl among people taking placebos.21
The dose of vitamin D in this study was low, so try 2,000 to 5,000 IU of vitamin D, plus 500 mg of calcium citrate.
Three studies of people with diabetes found that silymarin, the potent extract of the herb milk thistle, can reduce blood sugar, insulin, HbA1c, and sugar in the urine. It also lowers cholesterol and triglyceride levels.22 23
Try 100-200 mg with each meal.
Supplemental chromium can lead to the gradual normalization of insulin and blood sugar levels.24 Some research has found that chromium supplements are particularly helpful for people who are depressed and overweight.
Try 500 mcg twice daily.
The body needs this B-complex vitamin to make insulin. Biotin regulates genes involved in the metabolism of glucose, amino acids, and fatty acids.
Try 1,000 mcg three times daily with meals.25
This antioxidant has been used for years in Europe to treat diabetes and related nerve problems. It is sold without a prescription throughout the United States and many other countries. Alpha-lipoic acid improves insulin function and can gradually lower blood sugar levels.26
Take 100-200 mg before each meal.
This natural antioxidant complex blocks the activity of alpha-glucosidase, a carb-digesting enzyme. The mechanism is similar to the diabetes drug acarbose, but a study found Pycnogenol® 190 times more potent than acarbose in inhibiting alpha-glucosidase.27
Try 100-200 mg of Pycnogenol® daily.
Some types of fiber supplements can enhance the benefits of dietary fiber in regulating blood sugar, insulin, appetite, and weight control. One such product, PolyGlycopleX™, or PGX, is derived from natural plant sources.
It might seem difficult to reverse the trajectory of prediabetes and type-2 diabetes that so many Americans now face. As with any other social effort, gains are made with one step at a time. You can reduce your risk of disease through improved eating habits and smart supplementation… and you can help your family and friends do the same.
In 2000, only 9 percent of teens had prediabetes or type 2 diabetes. Now, the percentage is around 23 percent of all teens.
This, for a disease that was rare in children 30 years ago.
The consequences of poor eating habits early in childhood can be more difficult to correct in adulthood. The reason is that eating habits and genetic programming early in life may set the stage for disease risk later.
For parents, especially those who have struggled with their own blood sugar balance, helping children eat well, exercise, use appropriate supplements, and control their blood sugar naturally is no easy task. Children are often picky eaters and, as teens, want to hang with their peers. Eating habits usually revolve around fast foods and soft drinks.
But there may be other incentives for parents to improve their children’s eating habits. The same poor dietary habits that lead to prediabetes and type-2 diabetes also lead to weight gain and negatively influence mood and concentration, thereby affecting performance in school and antisocial behavior.
Parents can influence eating habits at home, starting with a nutritious high-protein breakfast and a nutritionally balanced dinner. But there’s a lesson here for parents as well: insist that the whole family sit down for more meals and to focus on family conversations, not texting or the television.
For supplements, keep things simple—not too many capsules or tablets—and lower adult dosages to suit your children’s weight.
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