GI Score

55

GL/Serving

13

Net Carbs

23g

Diabetes Rating:

Oatmeal

Quick Answer:

Oatmeal is a whole grain breakfast cereal made from oats, rich in beta-glucan soluble fiber. This fiber slows digestion and glucose absorption, making oatmeal a better choice than many other breakfast cereals for diabetics, though portion control remains important.

Last updated: 7/27/2025
Fresh oatmeal

Nutritional Profile

Nutrition Facts

Serving Size: 1/2 cup dry (40g)

Servings per Container: Varies

Calories
156 8% DV
Total Carbohydrates
27 g 9% DV
Net Carbs
23 g
Dietary Fiber
4 g 16% DV
Sugars
1 g
Protein
6 g 12% DV
Total Fat
3 g 5% DV

* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Glycemic Information

Glycemic Index 55 (Low)
Low (≤55) Med (56-69) High (70+)
Glycemic Load 13
Low (≤10) Med (11-19) High (20+)

Risks & Considerations

  • Individual responses vary
  • Monitor blood glucose

Preparation Tips

  • 💡 Don't overcook - al dente maintains lower GI
  • 💡 Let cool slightly before eating to increase resistant starch
  • 💡 Try overnight preparation for potentially lower glucose response
  • 💡 Add protein and fat before adding oats to bowl

Healthier Alternatives

Apple

GI 50 (Low)

Lower glycemic index (undefined)

Why it's better: Low glycemic impact
Glycemic Index Comparison Lower is better for diabetics
Original
Baseline
Alternative
50

Oatmeal Variations & Blood Sugar Impact

Choose the right option to minimize blood sugar spikes

Steel-Cut Oats

Best choice - minimally processed with lowest blood sugar impact

42

Glycemic Index

Low GI

Check with healthcare provider

Taste:

Best choice - minimally processed with lowest blood sugar impact

Oat Groats

Whole oat kernels - least processed form

48

Glycemic Index

Low GI

Check with healthcare provider

Taste:

Whole oat kernels - least processed form

Old-Fashioned/Rolled Oats

Moderate impact - steamed and rolled flat

55

Glycemic Index

Low GI

Check with healthcare provider

Taste:

Moderate impact - steamed and rolled flat

Quick Oats

Higher impact - more processed and thinner

66

Glycemic Index

Medium GI

Check with healthcare provider

Taste:

Higher impact - more processed and thinner

Instant Oatmeal

Avoid - highly processed with rapid glucose spike

83

Glycemic Index

High GI

Check with healthcare provider

Taste:

Avoid - highly processed with rapid glucose spike

⚠️

Important Note

Individual responses to oatmeal vary significantly. Some diabetics may experience blood sugar spikes even with the lowest glycemic options. Always test your personal response and consult with your healthcare provider.

Smart Food Pairings

Smart Oatmeal Pairing Strategies

Reduce blood sugar spikes with these proven food combinations

Almond butter (2 tbsp)

2 tbsp

Reduces spike by 30-40%

Nutritional Contribution:

Protein: 6g Fat: 3g Carbs: 27g

How It Works:

Healthy fats and protein slow carbohydrate absorption

Best Timing:

Eat together with oatmeal

"Game changer for morning oatmeal"

— Community Member

Scientific Basis: Healthy fats and protein slow carbohydrate absorption

Greek yogurt (1/2 cup)

1/2 cup

Lowers overall glycemic response

Nutritional Contribution:

Protein: 6g Fat: 3g Carbs: 27g

How It Works:

High protein content (12-15g) moderates glucose rise

Best Timing:

Eat together with oatmeal

"Creamy and filling combination"

— Community Member

Scientific Basis: High protein content (12-15g) moderates glucose rise

Chia seeds (1 tbsp)

1 tbsp

Adds 5g fiber with minimal carbs

Nutritional Contribution:

Protein: 6g Fat: 3g Carbs: 27g

How It Works:

Soluble fiber creates gel-like consistency slowing digestion

Best Timing:

Eat together with oatmeal

"Helps with satiety"

— Community Member

Scientific Basis: Soluble fiber creates gel-like consistency slowing digestion

Cinnamon (1 tsp)

1 serving

May improve insulin sensitivity

Nutritional Contribution:

Protein: 6g Fat: 3g Carbs: 27g

How It Works:

Contains compounds that may enhance glucose uptake

Best Timing:

Eat together with oatmeal

"Adds sweetness without sugar"

— Community Member

Scientific Basis: Contains compounds that may enhance glucose uptake

The Perfect Pairing Formula

1/2 cup dry (40g)

Don't overcook - al dente maintains lower GI

Protein or Healthy Fat

Choose any pairing above

Reduced Blood Sugar Spike

Up to 40% improvement

Troubleshooting High Blood Sugar

Troubleshooting High Blood Sugar

Common challenges and proven solutions from the diabetic community

Still Having Issues?

Individual responses to this food vary significantly. If these solutions don't work for you:

  • • Consider avoiding this food entirely and choosing lower GI alternatives
  • • Test different preparation methods systematically
  • • Keep a detailed food and blood sugar log
  • • Consult with a registered dietitian who specializes in diabetes

Frequently Asked Questions about Oatmeal

Common questions about Oatmeal and diabetes

Is Oatmeal good for diabetics?

Oatmeal has a glycemic index of 55, making it a low GI food. It should be consumed carefully with portion control.

How much Oatmeal can diabetics eat?

A typical serving size is 1/2 cup dry (40g), which contains 27g of carbs. Monitor your blood sugar response and adjust portions accordingly.

What is the glycemic index of Oatmeal?

Oatmeal has a glycemic index of 55, which is considered low. The glycemic load per serving is 13.

When is the best time to eat Oatmeal?

Oatmeal is best consumed before or after physical activity, or combined with protein and fiber to reduce blood sugar spikes.

How does the fiber in Oatmeal help diabetics?

Oatmeal contains 4g of fiber per serving, which helps slow down sugar absorption and can improve blood sugar control.

Does the protein in Oatmeal help with blood sugar?

Yes, Oatmeal provides 6g of protein per serving, which can help stabilize blood sugar levels and increase satiety.