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Head-to-head evidence comparison — which supplement is right for you?
Cinnamon vs Semaglutide: Semaglutide has the stronger overall evidence (8.5 vs 6.8/10); they're alternatives for manage weight — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Semaglutide wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Too few graded studies
1 of 1 studies with measurable effects showed benefit.
Top outcomes
Verdict
Too few graded studies
Top outcomes
Shared outcomes (2)
Outcomes where both Cinnamon and Semaglutide have evidence — compare verdict strength side-by-side.
1,000 mg (1 g) cinnamon powder daily, or 250-500 mg standardized extract. Prefer Ceylon for regular use. The cited type 2 diabetes trial used 500 mg bark powder capsules, two a day. Label products go up to 6 g of powder a day, a figure from the ranges of the cited meta-analyses but not the dose of any cited trial. A cited dose-response meta-analysis found fat mass fell only at 2 g a day or more taken for at least 12 weeks.
With meals
Ceylon cinnamon powder or standardized aqueous extract
Prescription-only, clinician-titrated. Subcutaneous (Wegovy weight management: escalate to 2.4 mg once weekly; Ozempic diabetes: 0.5-2.0 mg once weekly). Oral (Rybelsus diabetes: 3-14 mg once daily). DO NOT self-dose.
Any time of day
Subcutaneous once-weekly injection (Ozempic / Wegovy)
Additive blood-sugar lowering — monitor for hypoglycemia and adjust as needed with your clinician.
Discuss with your healthcare provider before combining.
4-12 weeks
4-12 weeks
8-12 weeks
8-12 weeks
Weeks to months
Months (titrated over 16-20 weeks)
Months to years
Especially during dose escalation
The effect of cinnamon supplementation on glycemic control in patients with type 2 diabetes mellitus: An updated systematic review and dose-response meta-analysis of randomized controlled trials
Phytotherapy research : PTR (2024) · Meta analysis
Significant reduction in fasting blood sugar (SMD −1.32; 95% CI −1.77 to −0.87; p<0.001)
Effects of cinnamon supplementation on metabolic biomarkers in individuals with type 2 diabetes
Nutrition reviews (2025) · Meta analysis · n=3054
Improvements in glycemic and lipid biomarkers reported
Efficacy and safety of cinnamon in type 2 diabetes mellitus and pre-diabetes patients: A meta-analysis and meta-regression
Diabetes research and clinical practice (2019) · Meta analysis
Significant reduction in fasting blood glucose
Once-Weekly Semaglutide in Adults with Overweight or Obesity (STEP 1).
N Engl J Med (2021) · Rct · n=1961
Double-blind RCT in 1,961 adults with obesity/overweight WITHOUT diabetes, randomized 2:1 to subcutaneous semaglutide 2.4 mg/week or placebo plus lifestyle for 68 weeks
Semaglutide and Cardiovascular Outcomes in Obesity without Diabetes (SELECT).
N Engl J Med (2023) · Rct · n=17604
Large cardiovascular-outcomes RCT: 17,604 patients with preexisting cardiovascular disease and overweight/obesity but WITHOUT diabetes
Semaglutide and Cardiovascular Outcomes in Patients with Type 2 Diabetes (SUSTAIN-6).
N Engl J Med (2016) · Rct · n=3297
Pre-approval cardiovascular-safety RCT in 3,297 patients with type 2 diabetes at high cardiovascular risk, semaglutide (0.5/1.0 mg/week) vs placebo for 104 weeks
Semaglutide has a higher evidence score (8.5/10 vs 6.8/10) and wins in 2 of 3 categories.
For manage weight, Semaglutide has a higher relevance score (88 vs 55).
Additive blood-sugar lowering — monitor for hypoglycemia and adjust as needed with your clinician. Discuss with your healthcare provider before combining. Consult a healthcare provider for personalized advice.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.