More than just a wake up call: Can coffee lower blood sugar
- Jay

- Dec 31, 2024
- 4 min read
Updated: Mar 1
Like many people around the world, I love me some coffee. Yes, to much of a good thing isn't great, though coffee does have some great benefits. I have pondered about my cup of Joe, and does it do more than just help wake us up in the morning? Well it turns out, coffee might have some surprising benefits for your blood sugar levels. Whether you like it black, creamy, or with a sprinkle of cinnamon on top, coffee has been studied by scientists for years, and the results are pretty exciting. So lets, dive into three big ways coffee can have a positive impact on your blood sugar. Grab a mug and get comfy—this is one brew-tiful story you won’t want to miss!

Coffee May Help Improve Insulin Sensitivity
Let’s talk insulin. This little hormone is like your body’s sugar traffic cop. It tells your cells to take in glucose (a type of sugar) from your bloodstream, helping to keep your blood sugar levels in check. If your cells stop listening to insulin—a condition called insulin resistance—you’re at higher risk for type 2 diabetes. The good news? Coffee might be your ally here.
Studies show that regular coffee drinkers often have better insulin sensitivity. That means their cells respond more effectively to insulin, making it easier for their bodies to regulate blood sugar levels. Scientists believe this could be because of the antioxidants in coffee. These compounds, like chlorogenic acid, help reduce inflammation in your body. Since inflammation is one of the culprits behind insulin resistance, drinking coffee could be like giving your body a little anti-inflammatory boost.
Plus, it’s not just about black coffee. Whether you prefer espresso, iced coffee, or a flat white, those antioxidants are still working their magic. Just be mindful of sugary syrups or adding a lot of sugar—you don’t want to cancel out coffee’s benefits with too much sugar on the side.
Coffee May Protect Your Pancreas
Your pancreas is a superhero organ when it comes to blood sugar management. It produces insulin, which is essential for keeping glucose levels in balance. Interestingly, coffee might play a role in protecting this vital organ.
Research suggests that certain compounds in coffee, like cafestol and kahweol, have anti-inflammatory and antioxidant properties that could support pancreatic health. These compounds may help protect the cells in your pancreas from damage caused by oxidative stress. Over time, this could lead to better insulin production and overall blood sugar control.
What’s more, coffee’s potential to reduce the risk of chronic diseases like type 2 diabetes might also tie back to its protective effects on the pancreas. By giving your pancreas some extra support, your daily cup of coffee might be doing more than you realise to keep your blood sugar stable.

Coffee Can Help Stabilise and lower Blood Sugar Spikes
Ever felt like you were on a blood sugar roller-coaster? One minute you’re full of energy, and the next, you’re crashing hard. This often happens after eating sugary or high-carb foods, which can cause a spike in your blood sugar levels. The good news? Coffee might help stabilise those ups and downs.
Coffee’s ability to increase the hormone GLP-1 is one of the key ways it helps. GLP-1 (glucagon-like peptide-1) is a hormone released in your gut when you eat. It plays a big role in blood sugar control by encouraging your pancreas to release insulin, which helps lower blood sugar. At the same time, GLP-1 slows down digestion, which means sugar from your food enters your bloodstream more gradually.
Caffeine in coffee appears to stimulate the production of GLP-1. Studies suggest that when you drink coffee, your body may release more of this hormone, giving your insulin response an extra boost. On top of that, the slower digestion caused by GLP-1 means fewer dramatic spikes and crashes in blood sugar. It’s like giving your body a smoother ride instead of a bumpy roller-coaster.
Some researchers think the antioxidants in coffee—like chlorogenic acid—might also enhance GLP-1’s effects. These antioxidants could help your cells respond better to insulin and maintain stable blood sugar levels over time. In other words, coffee doesn’t just wake you up; it might also be waking up your gut’s natural blood sugar regulators.
Just remember, moderation is key. While a cup or two of coffee can help with blood sugar stabilisation, drinking too much might lead to other issues, like jitteriness or trouble sleeping. Balance is everything!
There we go—three awesome ways coffee can have a positive impact on your blood sugar levels. From improving insulin sensitivity to lowering the risk of type 2 diabetes and helping stabilise blood sugar spikes, coffee isn’t just a delicious pick-me-up. It’s also a potential ally in keeping your body’s sugar levels in check.
Of course, coffee isn’t a magic bullet. A healthy lifestyle that includes a balanced diet, regular exercise, and good sleep is still the foundation for managing blood sugar. But it’s nice to know that your morning (or afternoon) cup of coffee might be doing a little extra good for your body.
So, the next time you brew a fresh pot or stop by your favourite coffee shop, take a moment to appreciate just how much this humble drink can do. Cheers to good coffee and good health!
Any questions please leave me a comment. And if you want a little help in reducing blood sugar in other ways go download my free PDF with 3 simple things you can start doing today to get you on the road to a lower HbA1c.










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