Timing Your Meals and Insulin Doses Properly Can Help Keep Your Blood Sugar Steady (2024)

If you have diabetes, your main goal is to control your blood sugar. A daily routine of when you eat and when you take your insulin will make it a lot less likely for your blood sugar to peak and valley.

When your doctor discovers you have diabetes, they and your medical team will work with you on:

  • What you should eat
  • Which medicines you need
  • How often you should check your blood sugar
  • The role of exercise and weight loss

Timing is big when you take insulin. For one thing, your meals need to match up with your insulin dose.

Food

What you eat determines how much sugar goes into your bloodstream and how quickly it gets there. Carbohydrates, like bread and potatoes, have the biggest and fastest impact. But when you eat is just as important.

If you eat the same amount of food (especially carbs) at the same time every day, that will help your blood sugar stay on an even keel. There’s another benefit: With well-planned meals at regular times, you’re more likely to eat right. When you feel like you’re starving, you may gobble up whatever’s handy, even if it’s not good for you. Or you may eat too much.

For most people with diabetes, mealtimes should space out through the day like this:

  • Have breakfast within an hour and half of waking up.
  • Eat a meal every 4 to 5 hours after that.
  • Have a snack between meals if you get hungry.

A snack before bedtime may help you.

You don’t have to figure out the menus and times on your own. To help create a plan tailored to you, your doctor may send you to a nutrition specialist. Theymay call it a registered dietitian. Besides thinking about your nutrition, your dietitian will help match you up with foods that you like and that fit your budget.

If you get your health care through Medicare, Part B covers medical nutrition therapy with a nutrition specialist for people with diabetes.The coverage includes a first session to work out the plan, plus follow-ups to check how it’s working. If you have different insurance, ask whether it will pay for this before you start.

After your doctor and dietitian help you sketch out your meals, you may want to make out a daily action plan that will help you stay on track. Build it around specific things that will be doable. It might say that on certain days of the week, you’ll have a healthy snack (such as fruit) in the afternoon. Or it might say that on certain days of the week, you’ll count the carbs you eat at dinner.

Medicine

What meds you'll take will depend on what kind of diabetes you have. Your doctor might prescribe insulin, which you’d probably take by giving yourself a shot. Or you may need other medicines that control your blood sugar. You might take those through either pills or shots.

Your doctor may plan your daily doses to match the amount of carbs you’re eating. In that case, your meals and medicine might need to be timed correctly. If they aren't, your blood sugar could spike or drop.

The schedule will depend on what your doctor prescribes. You might just need to take your insulin once a day, or you might need to take it more times.

If your doctor prescribes more than one dose each day, they may include:

  • An overall one called a basal dose.
  • Other doses at mealtimes. Each of these is called a bolus.

Different medicines may need to be taken at different times. For instance, if it’s an extended-release pill, you might swallow one each morning. Other medicines need to be taken while you’re eating.

Extra Help: Exercise

Along with the right food and medicine, working out can help you control your diabetes. Physical activity will:

  • Lower your blood sugar
  • Lower your blood pressure
  • Improve your blood circulation
  • Burn calories

Your blood sugar tends to be highest about an hour after you have a meal or snack. After you eat, a little exercise will help your body handle that. Why? When your muscles go into action, blood sugar helps fuel them.

You can get the benefit without doing anything strenuous. All you need is 10 to 15 minutes of mild activity, such as:

  • A short walk
  • Walking the dog
  • Shooting a basketball
  • Cleaning up the kitchen

If you want to get into a more vigorous exercise routine, check with your doctor first. Strenuous activity can make your blood sugar fall. You don’t want that. Your medical team can help you build exercise into your daily plans for eating and medicine.

Checking Your Blood Sugar

Your meals, medicine, and exercise all revolve around your blood sugar. So you’ll need to test it regularly.

Your doctor will tell you how many times to do it each day. It'll depend on the kind of diabetes you have and how much insulin or other medicine you’re taking.

If you’re taking insulin several times a day, you may need to do a test before each meal and before you go to bed.

If you’re taking long-acting insulin, you may only need to test before breakfast and before dinner.

If you’re taking other medicine but not insulin, you may not need a test every day.

Keep extra-close watch on your blood sugar if you do vigorous exercise. Physical activity can affect your level for hours; even the next day. You may need to check your blood sugar before, during, and after each workout.

Timing Your Meals and Insulin Doses Properly Can Help Keep Your Blood Sugar Steady (2024)

FAQs

How do you keep your blood sugar stable? ›

Eating a healthy diet with plenty of fruit and vegetables, maintaining a healthy weight, and getting regular physical activity can all help. Other tips include: Keep track of your blood sugar levels to see what makes them go up or down. Eat at regular times, and don't skip meals.

How does insulin keep blood sugar stable? ›

Insulin helps blood sugar enter the body's cells so it can be used for energy. Insulin also signals the liver to store blood sugar for later use. Blood sugar enters cells, and levels in the bloodstream decrease, signaling insulin to decrease too.

How does the timing of a meal impact blood glucose levels Why? ›

Earlier eating start time was significantly associated with lower fasting glucose and estimated insulin resistance but eating interval duration was not. Every hour later that eating commenced was associated with approximately 0.6% higher glucose level and 3% higher HOMA-IR (both p < 0.001).

How do meals and insulin affect your blood sugar levels? ›

When people eat a food containing carbohydrates, the digestive system breaks down the digestible ones into sugar, which enters the blood. As blood sugar levels rise, the pancreas produces insulin, a hormone that prompts cells to absorb blood sugar for energy or storage.

How do you keep your blood sugar stable overnight? ›

If you're still feeling hungry, your best bet is a low-carbohydrate, low-calorie snack, preferably one that's high in protein or fiber, such as Greek yogurt or a small handful of nuts. Other options include: A sugar-free frozen pop. One light cheese stick.

How often should I eat to keep my blood sugar stable? ›

Protein, fat, and fiber help slow the digestion of carbohydrates. This will help reduce spikes in blood sugar after meals. How often you eat during the day is also important. Keep your blood sugar levels consistent by eating every 3–5 hours.

How do you maintain insulin in your blood? ›

5. Eat health-promoting foods
  1. Eat more soluble fiber. ...
  2. Add more colorful fruit and vegetables to your diet. ...
  3. Cut down on carbs. ...
  4. Reduce your intake of added sugars. ...
  5. Add herbs and spices to your cooking. ...
  6. Drink more green tea. ...
  7. Try apple cider vinegar. ...
  8. Avoid trans fats.

What lowers blood sugar immediately? ›

The quickest way to lower your blood sugar is to take fast-acting insulin. Exercising is another fast, effective way. However, in severe cases, you should go to the hospital. High blood sugar levels are known as hyperglycemia or high blood glucose.

How does body regulate blood sugar? ›

Through its various hormones, particularly glucagon and insulin, the pancreas maintains blood glucose levels within a very narrow range of 4–6 mM. This preservation is accomplished by the opposing and balanced actions of glucagon and insulin, referred to as glucose homeostasis.

What is the best time to take insulin? ›

Short- or rapid-acting insulin taken at or before mealtimes to control blood sugar levels. Intermediate- or long-acting insulin taken to keep blood sugar levels steady between meals and overnight. Intermediate- or long-acting insulin taken to keep blood sugar levels steady between meals and overnight.

Should you take insulin with snacks? ›

It's all about timing. Because short-acting insulin lasts about two to three hours, it is best to spread out meals and snacks. If you're taking insulin less than three hours apart, do not correct for high blood sugar. Only give insulin for the carbs you will eat.

What are the 5 worst foods for blood sugar? ›

Diabetes
  • NOT-SO-FRIENDLY FOODS. Certain foods can send your blood sugar level on a roller coaster, with insulin rushing to keep up. ...
  • WHITE RICE. ...
  • POTATOES. ...
  • KETCHUP. ...
  • WHITE PASTA. ...
  • BAGELS. ...
  • ARTIFICIAL SWEETENERS. ...
  • FRUIT JUICE.

Which foods don t spike insulin? ›

Foods with little impact
  • Carrots. These are considered non-starchy (as are string beans, tomatoes, mushrooms, peppers, broccoli, asparagus and cauliflower) and good in a diabetes diet.
  • High-fiber grains. ...
  • Bran cereal. ...
  • Potatoes. ...
  • Cottage cheese. ...
  • Lentils. ...
  • Strawberries and raspberries.
May 3, 2023

What foods increase a1c? ›

Many people think that all high-calorie foods raise blood sugar level, but this is not always the case. In general, foods that cause blood sugar level to rise the most are those that are high in carbohydrates, which are quickly converted into energy, such as rice, bread, fruits and sugar.

How can I stabilize my blood sugar naturally? ›

Choose high-fiber foods.

Choose high-fiber fruit like raspberries, apples (with the peel) and oranges rather than fruit juice or fruit snacks. Stay hydrated. “Drinking just 6 to 8 ounces of water with every meal can slow the rise of blood sugar,” she says.

What can I eat to stabilize my sugar? ›

Here are five foods that can make a difference.
  • Berries. Don't make your trip to the store fruitless. ...
  • Go nuts. That's right—go ahead and snack on almonds, cashews or even pistachios. ...
  • Leafy greens. ...
  • Non-starchy vegetables. ...
  • Whole grains.

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