Conclusion: The consumption of cinnamon is associated with a statistically significant decrease in levels of fasting plasma glucose, total cholesterol, LDL-C, and triglyceride levels, and an increase in HDL-C levels; however, no significant effect on hemoglobin A1c was found. The high degree of heterogeneity may limit the ability to apply these results to patient care, because the preferred dose and duration of therapy are unclear.
PubMed 24019277 ↗Cinnamon
People mainly take Cinnamon for blood sugar, memory, focus. Based on 22 first-hand reports and 75 meta-analyses & systematic reviews in the medical literature. Ranked #773 of 1,974 overall.
Of reports that state an outcome, 74% are positive.
What Cinnamon does, according to users
Of the people who reported each effect, the share who said it got better.
What the research says
Systematic reviews and meta-analyses from PubMed, with their published conclusions.
3+ meta-analyses or systematic reviews and 10+ randomized controlled trials in humans. The grade measures how much human research exists — read the conclusions below for what it found.
Conclusion: Various studies have shown that herbal medicines can improve PCOS symptoms in women with minimal side effects but a longer treatment cycle.
PubMed 35916457 ↗Conclusion: It can be used as an adjuvant in the treatment of related diseases. However, more studies need to be done on this subject.
PubMed 36652384 ↗Conclusion: For primary dysmenorrhea, cinnamon/fennel/ginger effectively reduced pain intensity, and cinnamon shortened the duration of pain. Further studies are needed to confirm our results.
PubMed 32603204 ↗Dosage people report
As stated by users — not a recommendation. Follow the label or your doctor.
Reported side effects
How often each side effect came up across all reports.
What users say
Verbatim quotes, shortened only — each links to the original discussion.
“Cinnamon converted poor learning mice to good learners.”
“Supplements That Reduce Blood Sugar Spikes: Cinnamon, Berberine, & Apple Cider Vinegar”
“Not sure if cinnamon will be strong enough to have a significant effect but it can't hurt to add it I guess.”
“Cinnamon (Ceylon)”
“I put cinnamon in my oatmeal every morning and I already forgot the point of my post...I have cinnamon almost every day...memory quite shite though”
Top discussions (5)
- High levels of insulin resistance ↗
- 45 y/o Mum has Stage 3 Bone Marrow Cancer and already exceeded her life expectancy - any unconvential supplements or protocols? ↗
- I just want to be able to sleep. SOS ↗
- Cinnamon converts poor learning mice to good learners: Implications for memory improvement ↗
- My morning coffee has become an abomination and can't be called coffee anymore. ↗
Other options for blood sugar
User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 2, 2026. How we rate