How to Raise Blood Sugar Fast: With and Without Food (2023)

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The energy you need to work, play, or even just think straight comes from blood sugar, or blood glucose. It circulates throughout your body all the time.

Blood sugar comes from the foods you eat. A hormone called insulin helps move the sugar from your bloodstream into cells in your body, where it’s used for energy.

But if your blood sugar levels drop too low, you can experience a wide range of symptoms, some of which can be serious. If you’re prone to dips in your blood sugar levels, knowing what to do can help keep you safe.

In this article, we’ll take a closer look at the types of foods that can quickly raise your blood sugar, as well as other steps you can take to keep your blood sugar at a healthy level.

Your blood sugar tends to fluctuate throughout the day. It’ll be lower when you first wake up, especially if you haven’t eaten for the past 8 to 10 hours.

Your blood sugar will go up once you eat. Depending on when you last ate, here’s what’s considered to be a normal blood sugar range:

Fasting2 hours after a meal
70–99 mg/dLLess than 140 mg/dL

Low blood sugar, also known as hypoglycemia, is when your blood sugar levels fall below 70 mg/dL.

(Video) How to Correct Low Blood Sugar Quickly.

The point at which low blood sugar symptoms become noticeable is different from one person to the next.

Some people may feel jittery, irritable, or lightheaded when their blood sugar level falls to 70 mg/dL. Other people may not feel any symptoms until well below that mark.

A quick, simple blood test can measure your blood sugar level. If you have diabetes or another medical condition that sometimes causes episodes of low blood sugar, it’s important to regularly check your blood sugar with a home test.

If a test shows that your blood sugar is below normal, you can take steps to adjust it quickly.

Symptoms of low blood sugar vary from person to person and can even be different from one episode to the next. You may experience specific symptoms the first time your blood sugar dips, and different symptoms the next time.

The most common mild to moderate symptoms of low blood sugar include:

  • jitters or shaking
  • sweating
  • chills
  • dizziness or lightheadedness
  • irritability
  • anxiousness
  • sleepiness
  • weakness
  • sudden hunger
  • confusion
  • trouble concentrating
  • pale complexion
  • racing or irregular heartbeat
  • headache

More severe symptoms of hypoglycemia include:

  • inability to eat or drink
  • seizures
  • unconsciousness

In some cases, a condition called hypoglycemia unawareness can develop after frequent episodes of low blood sugar. This happens because the body gets used to low blood sugar, so symptoms become harder to pinpoint.

Hypoglycemia unawareness can be dangerous, as it reduces the opportunity for treating low blood sugar and increases the likelihood of severe hypoglycemia.

(Video) How To Bring Blood Sugar Down Fast in 2 Hours? Quiz to Win Below.

For mild to moderate symptoms, you can usually take steps yourself to get your levels into the normal range. For severe symptoms, it’s important to get immediate medical assistance.

Because your blood sugar comes from the foods and beverages you consume, one of the easiest ways to raise your blood sugar fast is to grab a quick snack.

The American Diabetes Association recommends the 15-15 rule if your blood sugar dips below 70 mg/dL: Eat at least 15 grams of carbohydrates, then wait 15 minutes to recheck your blood sugar.

If you’re still below 70 mg/dL, have another 15 grams of carbs, wait 15 minutes, and check your levels again.

Among the foods you can try for a quick blood sugar boost are:

  • a piece of fruit, like a banana, apple, or orange
  • 2 tablespoons of raisins
  • 15 grapes
  • 1/2 cup apple, orange, pineapple, or grapefruit juice
  • 1/2 cup regular soda (not sugar-free)
  • 1 cup fat-free milk
  • 1 tablespoon honey or jelly
  • 15 Skittles
  • 4 Starbursts
  • 1 tablespoon of sugar in water

Foods that contain protein or fat, such as peanut butter, ice cream, and chocolate, may be helpful if your blood sugar level has dropped but isn’t below 70 mg/dL.

These higher-fat foods, as well as whole-grain bread and other high-fiber foods, take longer to absorb into your bloodstream. Because of this, these foods won’t raise your blood sugar as quickly as foods that have more simple carbohydrates.

Can you raise blood sugar without food?

(Video) 10 Foods That Lower Blood Sugar - Control Your Diabetes With These Home Remedies

Two products — glucose gel and chewable glucose tablets — are also effective at quickly raising blood sugar. They’re available without a prescription and are recommended for people who experience frequent episodes of low blood sugar.

If you’ve had severe low blood sugar symptoms in the past, speak with your doctor about whether a glucagon kit is right for you. Glucagon is a hormone that triggers your liver to release glucose into the bloodstream.

These kits are only available by prescription. They’re used to raise your blood sugar when you’re not able to eat or drink, such as in a state of unconsciousness. Therefore, someone else, like a friend or family member, typically administers this medication for you.

An episode of low blood sugar that necessitates assistance from another person is by definition severe hypoglycemia. The kits come with a syringe and needle that can be used to inject glucagon into your arm, thigh, or buttocks.

Be sure to ask your doctor when and how to use a glucagon kit. Also, let your family and friends know how to use it and how to recognize a hypoglycemic emergency.

There are many different factors that can cause a dip in your blood sugar levels. Here are some of the most common causes.

Food and drink

Skipping meals or going too long without a meal or snack can cause just about anyone to experience a drop in blood sugar. Other causes related to food and drink include:

  • not eating enough carbohydrates throughout the day
  • not eating for hours after you wake up in the morning
  • drinking alcohol without eating enough food

Physical activity

Exercising more or harder than usual can lower your blood sugar. After a particularly strenuous workout, take steps to ensure that your blood sugar level doesn’t drop too low by:

(Video) Fasting and Blood Glucose | Jason Fung

  • consuming foods that are high in simple carbohydrates, like fresh fruit, chocolate milk, or hard fruit candies shortly after your workout
  • not waiting too long before you eat a regular-sized meal

Insulin

If you have diabetes, you may need to take synthetic insulin. In some cases, taking insulin can cause hypoglycemia due to:

  • taking too much of it
  • your body suddenly responding differently to the insulin
  • the interaction of insulin with other drugs, including sulfonylureas and meglitinides

Health conditions

Several health conditions can also affect your blood sugar. Among them are:

  • anorexia nervosa and other eating disorders
  • hepatitis and other liver conditions, which can affect how your liver produces and releases glucose
  • pituitary gland disorders, which can affect the release of hormones that control glucose production
  • low adrenal function
  • kidney disease, which can affect how waste products, including medicines, are flushed from your body
  • insulinoma, which is an insulin-producing tumor of the pancreas
  • advanced cancer
  • inadvertently taking too much diabetes medication (insulin or sulfonylureas)

It’s essential that you get immediate medical attention if your blood sugar drops and you have severe symptoms, like seizures or loss of consciousness.

If you have diabetes and your blood sugar drops, and the usual quick-fix treatments don’t help raise your blood sugar above 70 mg/dL, it’s also important to get medical care as soon as possible. This happens more commonly with taking too much long-acting insulin or sulfonylurea diabetes pills.

Also, be sure to get medical care if you don’t have diabetes but have symptoms of hypoglycemia that don’t go away or get worse after you’ve eaten at least 15 grams of carbohydrates.

Low blood sugar can be a temporary issue caused by skipping a meal or not eating enough food. It can be harmless, especially if you’re able to quickly raise your blood sugar by eating a snack.

(Video) Not Eating Sugar Yet High Blood Sugar Levels?

Sometimes, though, a drop in blood sugar can be related to diabetes or other underlying health conditions. If your symptoms are severe, or if eating a snack doesn’t help or makes you feel worse, be sure to get immediate medical attention.

If you feel your blood sugar isn’t well controlled, talk with your doctor to see whether there’s a treatment plan that may be well suited to keeping your blood sugar within a healthy range.

And if you know you may be prone to drops in blood sugar, always keep gel tablets or other quick fixes with you when you’re on the go.

FAQs

What can bring blood sugar quickly? ›

The fastest way to bring down your blood sugar (glucose) levels is to take insulin, but this should only be done as prescribed by a doctor. The next quickest way to lower blood sugar is to exercise. But if your blood glucose is above 240 mg/dl, you should check your urine for ketones.

What is dangerously low blood sugar? ›

What is Low Blood Sugar? Low blood sugar is called hypoglycemia. A blood sugar level below 70 mg/dL (3.9 mmol/L) is low and can harm you. A blood sugar level below 54 mg/dL (3.0 mmol/L) is a cause for immediate action.

What increases blood sugar overnight? ›

A large dinner or a snack at bedtime can cause elevated blood glucose levels that last all night, as can too low a dose of insulin with your evening meal. Adjusting your medication or what and when you eat may help. If the data shows you're in range at bedtime, the culprit is likely too little medication.

What is a quick fix for low blood sugar? ›

Feed the person a fast-acting source of sugar (regular soft drink or fruit juice). Then, have them eat a long-acting source of sugar (crackers and cheese or a sandwich with meat).

Will peanut butter raise blood sugar? ›

No, natural peanut butter will not raise blood sugar. In fact, it could stabilize your numbers. A 2018 study found that eating two tablespoons of peanut butter with white bread and apple juice led to a significantly lower blood glucose spike when compared with white bread and juice alone.

What to do when blood sugar is low? ›

How to treat a low blood sugar level yourself
  1. Have a sugary drink or snack – like a small glass of fizzy drink (not a diet variety) or fruit juice, 4 to 5 jelly babies, 4 to 6 glucose tablets or 2 tubes of glucose gel.
  2. Test your blood sugar after 10 minutes – if it's improved and you feel better, move on to step 3.

At what sugar level is diabetic coma? ›

A diabetic coma could happen when your blood sugar gets too high -- 600 milligrams per deciliter (mg/dL) or more -- causing you to become very dehydrated. It usually affects people with type 2 diabetes that isn't well-controlled.

What blood sugar level is alarming? ›

In general, a blood sugar reading of more than 180 mg/dL or any reading above your target range is too high. A blood sugar reading of 300 mg/dL or more can be dangerous. If you have 2 readings in a row of 300 or more, call your doctor.

What are 3 signs of a diabetic emergency? ›

What are the signs and symptoms of a diabetic emergency?
  • hunger.
  • clammy skin.
  • profuse sweating.
  • drowsiness or confusion.
  • weakness or feeling faint.
  • sudden loss of responsiveness.

How do I keep blood sugar from dropping too low overnight? ›

Before you go to bed, consider all of the causes of nighttime hypoglycemia, and if you think you're at risk, have a snack before heading to bed. Try to be consistent with your meals and/or snacks; skipping dinner or snacks you usually have can put you at risk. Eat a meal or snack when consuming alcohol.

Can blood sugar go up without eating? ›

Some people's blood sugar is extra-sensitive to caffeine. Losing sleep—even just one night of too little sleep can make your body use insulin less well. Skipping breakfast—going without that morning meal can increase blood sugar after both lunch and dinner.

How can I stabilize my low blood sugar overnight? ›

Good options include hard candy, fruit juice or glucose paste or tablets, which can be purchased at most pharmacies. Once the person is fully awake, they should eat a meal and check their blood glucose every few hours using a home test kit.

What happens when blood sugar drops below 50? ›

If hypoglycemia becomes severe, you may not be able to safely swallow food or drink. By this point, your blood glucose level is less than 54 mg/dL—often below 40 mg/dL. You may feel very confused, pass out, or have a seizure. Without prompt treatment, severe hypoglycemia may lead to a coma or even death.

Why does my blood sugar keep dropping? ›

But too much insulin or other diabetes medications may cause your blood sugar level to drop too much, causing hypoglycemia. Hypoglycemia can also occur if you eat less than usual after taking your regular dose of diabetes medication, or if you exercise more than you typically do.

Does cheese raise blood sugar? ›

Will cheese affect blood sugar levels? Cheese has a low glycemic index (GI), meaning that it releases glucose slowly and will not trigger significant blood glucose spikes.

Do apples raise blood sugar? ›

Apples score relatively low on both the glycemic index (GI) and the glycemic load (GL) scales, meaning that they should cause a minimal rise in blood sugar levels (10). Apples have a minimal effect on blood sugar levels and are unlikely to cause rapid spikes in blood sugar, even in those with diabetes.

Is peanut butter and banana good for blood sugar? ›

Eating a banana alongside a source of unsaturated fat, such as almond or peanut butter, pistachios, sunflower seeds, or walnuts, can have a positive effect on blood sugar and boost the flavor of the fruit. Another healthful option for people with diabetes is to pair a banana with a protein source, such as Greek yogurt.

What does a blood sugar of 44 mean? ›

Below 42 mmol/mol (6.0%) Prediabetes. 42 to 47 mmol/mol (6.0 to 6.4%) Diabetes. 48 mmol/mol (6.5% or over)

Does low blood sugar make you sleepy? ›

Low blood sugar can also cause fatigue, especially in people who have frequent episodes and do not get enough warning that their blood sugar levels are dropping. A person can still feel fatigued even after treatment for low blood sugar.

How can I lower my blood sugar in 10 minutes? ›

Exercise (even just 10 or 15 minutes)

Physical activity can be a very effective method of reducing a high blood sugar. If you don't take insulin, exercise can be a very simple approach to reducing high blood sugar levels. Even just a 15-minute walk can have a big impact on your blood sugar.

How long does it take to bring up blood sugar? ›

After eating, your blood sugar levels begin to rise within 15 to 30 minutes, but only if your meal or snack includes carbohydrates. The speed and level of the increase depend on the type of carbohydrates and other nutrients found in the foods you eat, as well as on your body's ability to manage your blood sugar levels.

Is walking better than metformin? ›

Back to basics with active lifestyles: exercise is more effective than metformin to reduce cardiovascular risk in older adults with type 2 diabetes - PMC. The .

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