0 commentaires
Cinnamon is an essential spice, known for its warm aroma and its place in kitchens worldwide. But beyond taste, cinnamon also possesses bioactive compounds studied for their potential effects on blood sugar regulation, oxidative stress, and certain lipid markers.
Between ground cinnamon, cinnamon sticks, and the choice between Ceylon cinnamon (Cinnamomum verum) or Cinnamomum cassia, it's useful to understand what to truly expect from this spice, and how to use it appropriately and safely.
What is cinnamon? Origin and varieties
Cinnamon is obtained from the inner bark of certain trees of the genus Cinnamomum, belonging to the botanical family of Lauraceae. It is mainly found in two forms: ground cinnamon and cinnamon sticks. The two most common varieties on the market are Ceylon cinnamon (Cinnamomum verum) and cassia cinnamon (Cinnamomum cassia).
Ceylon cinnamon is often considered to have a finer aromatic profile. It is also frequently highlighted for its generally lower coumarin content than cassia, an important point if cinnamon is consumed regularly.
Cinnamon, glycemia and blood sugar: what research suggests
Among the most studied topics, cinnamon is often associated with blood sugar regulation. Some data suggest that it could help improve insulin sensitivity, which can influence blood sugar levels and blood sugar after meals. In this context, research regularly explores its potential interest in people with insulin resistance or type 2 diabetes.
That said, the effect depends on many factors: overall diet, physical activity, the dose used, duration, and variety (Ceylon vs. cassia). Cinnamon sometimes helps to smooth the glycemic response in certain profiles, but it does not replace medical follow-up or treatment. In case of type 2 diabetes or taking hypoglycemic medications, it is best to discuss it with a healthcare professional.
Antioxidant and anti-inflammatory: support against free radicals
Cinnamon contains aromatic and polyphenolic molecules that explain its reputation as an antioxidant and anti-inflammatory. In practice, these compounds can help neutralize free radicals, which are involved in oxidative stress. This oxidative balance is important, as oxidative stress plays a role in cellular aging and low-grade inflammation.
We are talking here about potential support: consuming cinnamon as part of a varied diet can help protect cells, just like other polyphenol-rich foods. The most consistent effect remains that of a nutritional "plus," not an isolated solution.
Cinnamon and LDL cholesterol: what impact on "bad cholesterol"?
Another regularly cited topic: lipid profile. Some studies have looked at the link between cinnamon and LDL cholesterol, sometimes called bad cholesterol. The results suggest a modest improvement in certain markers (LDL, triglycerides) in some participants, but these effects remain variable and often depend on the context (diet, weight, activity level, duration).
In other words, if you are looking for a lasting impact on LDL cholesterol, the key remains the entire lifestyle: quality of fats, fiber, activity level, sleep, stress management. Cinnamon can fit into this logic, but should not be seen as a unique lever.
How to consume cinnamon: practical tips and precautions
The simplest way to use cinnamon is to incorporate it into your meals: in yogurt, porridge, coffee, compote, or savory dishes. Ground cinnamon is practical for everyday use, while cinnamon sticks are useful for infusing (in a hot drink, compote, homemade preparation).
If you consume cinnamon often, the choice of variety is important. Ceylon cinnamon (Cinnamomum verum) is generally preferred for regular use, as Cinnamomum cassia contains more coumarins, compounds that can be problematic at high doses and over time. The goal is not to avoid cassia at all costs, but to be reasonable about quantities and frequency, especially if you consume it daily.
Finally, if you are pregnant, taking anticoagulant medication, or have type 2 diabetes, it is best to seek advice from a healthcare professional before significantly increasing your consumption. As often, the dose makes the difference between a beneficial spice in a balanced diet and excessive consumption.
Scientific sources
- Allen, R. W. et al. (2013). Cinnamon use in type 2 diabetes: an updated systematic review and meta-analysis. Annals of Family Medicine.
- Akilen, R. et al. (2012). Cinnamon in glycaemic control: a systematic review and meta-analysis. Diabetic Medicine.
- Roussel, A.-M. et al. (2009). Antioxidant effects of cinnamon in humans. American Journal of Clinical Nutrition.
- EFSA (European Food Safety Authority). (Scientific opinions). Coumarin in cinnamon and safety considerations.
