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August 27, 2013


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Cinnamon may have known to reduced blood glucose and insulin levels but there have shown conflicting results. On one meta-analysis, cinnamon did not show a significant beneficial effect of cinnamon on A1C, postprandial glucose, or serum insulin levels. While the other meta-analysis, cinnamon has significantly lowered fasting glucose (-8.8 mg/dL [-0.49 mmol/L]) in patients with type 2 diabetes. I believe in cinnamon and its therapeutic effects but like all herbal products, it will not work in a day or two. Cinnamon supplements should be taken continually in order to benefit from it.

It is so encouraging to see more trials conducted on herbal medicine. Cinnamon is an herb with a variety of health benefits and it is also very familiar to most people, which I think makes people more willing to incorporate it into their daily diet.

Is there an issue with standardization or purity with cinnamon? Can someone just use regular kitchen cinnamon or is it necessary to get a higher grade supplement?

Although this study showed a short-term significant decrease in BP associated with cinnamon intake in diabetic subjects, it is important to investigate the mechanism by which cinnamon works. Other research (PMID: 19158209) has shown that cinnamon has dose-dependent effects to decrease insulin secretion. Therefore, it may be important to keep in mind that cinnamon consumption could have the potential to affect concurrent diabetic medications that act on the pancreas to affect insulin secretion.

I used to work in a health food store and once had someone come in to buy cinnamon for its purported BP effects. This customer was looking for a typical variety of Vietnamese cinnamon which was supposed to be particularly potent. I have often wondered if this was based in any fact. Perhaps if it was in fact more beneficial, we might have a better understanding the constituents.

It would be interesting to see a study that was done in humans that consume supplemental levels of cinnamon, garlic, and fish oil to see if there is a synergistic effect seen in reduction of blood pressure.

The results of this systematic review are very encouraging and positive. I do wonder how much cinnamon has to be consumed to see this benefit though. It is not always to incorporate cinnamon into your diet. If the dose is high, it may impractical for patients to use this as a natural way to help control their blood pressures. I look forward to more studies in the future about cinnamon's possible effects on blood pressure and blood sugar levels.

It’s interesting to hear that cinnamon use has been associated with decreases in blood sugar and blood pressure. Currently in the Natural Standard database, the efficacy for cinnamon in diabetes is C, which indicates more research is needed. As cinnamon attracts attention and more studies are done, I hope to once day see this efficacy rating be a B or even A!

I would like to know more about the effects of cinnamon on blood pressure, including how much cinnamon must be consumed to see an effect. Also, I wonder if the blood pressure lowering effects would be lasting if cinnamon was consumed consistently for an extended period of time. It should also be noted that cinnamon has an interaction with antihypertensives because it can have an additive blood pressure lowering effect, rendering the potential for hypotension.

I believe in order to consider cinnamon as an add-on treatment in blood pressure control more data would need to be done. Although there has been in a reduction in both diastolic and systolic BP, was there a decrease in cardiovascular events or mortality? I think that this would have to be studied over a long period of time to see if cinnamon would have a long term health benefit. As of now it has only been shown to decrease BP temporarily which may not effect overall cardiovascular health in the future.

I did know that cinnamon had potential to effect blood sugar, but this study shows cinnamon's effect on blood pressure as well. I would love to see if more studies could be done to determine a possible place in natural therapy for borderline hypertensive diabetic patients as a dietary supplement. I would also be interested in how the effect could translate long term - i.e tolerance studies and data around increased dosage.

While interesting, I definitely agree that we need more long-term research for cinnamon as an anti-hypertensive. I wonder how these studies controlled for diet as the changes in blood pressure seen were statistically significant but blood pressure regularly fluctuates throughout the day depending on sodium intake. Also there's little mention of standardization in the given abstract so I'm also interested to see the doses and how the cinnamon was given to patients to achieve those results.

Cinnamon contains cinnamaldehyde. Beta-caryophyllen gives it the spiciness. Linalool also gives it the spicy but flowery scent. Cinnamon is rich in antioxidants; fights free radicals (which leads to heart disease, cancer and premature aging). It also contains coumarin which is toxic to the liver and kidney when consumed in a large quantity. Patients on warfarin should be careful when using cinnamon.

What a great find! I had heard before that cinnamon helped to reduce cholesterol, however that proved to be inconsistent. Diabetic patients need to be careful when taking cinnamon, because a lot of times cinnamon is combined with sugar, so while they might be receiving some benefits from cinnamon, they might also be raising their blood sugar.

The uses of cinnamon always surprise me! I am very pleased to see this article here. I work in a compounding pharmacy and just this summer we developed our own bug repellant using natural products, one of those products is cinnamon. I have known about the potential affect on blood sugar for quite a while, but It is very interesting to know that it may also have an impact on blood pressure, Ill keep an eye out for those longer term studies.

Cinnamon is a commonly used spice in many recipes around the world. Would different amounts of cinnamon alter the changes in blood pressure? Cinnamon can easily be incorporated into a daily diet of individuals; however, the interactions with various medications should be emphasized. If no interactions exist with current drug regimens, cinnamon is an excellent and simple adjunct therapy for lowering blood pressure.

I would be interested to see if there are long-term effects of cinnamon on reducing blood pressure and to see if this is an adjunctive therapy that we could add on to other agents that treat hypertension to get additional blood pressure lowering effects. I know a lot of people that add cinnamon to some of their everyday meals so this could be an easy adjunct therapy that we could recommend if we have the data to support its use.

Cinnamon may decrease fasting glucose and lipids. However, there may be an interaction with patients using anticoagulants. It is important for patients to make sure this is okay for them to take. Diabetic patients taking other medications to decrease their blood glucose need to be careful their blood sugar doesn't go too low. Longer trials are needed before additional conclusions can be made.

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