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Head-to-head evidence comparison — which supplement is right for you?
Efpeglenatide vs Semaglutide: Semaglutide has the stronger overall evidence (8.5 vs 4.3/10); 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
Mostly mechanism / observational
Top outcomes
Verdict
Mostly mechanism / observational
Top outcomes
Shared outcomes (3)
Outcomes where both Efpeglenatide and Semaglutide have evidence — compare verdict strength side-by-side.
INVESTIGATIONAL — NO approved or consumer dose. In trials, efpeglenatide was given as a once-weekly subcutaneous injection, titrated up to 4-6 mg (AMPLITUDE-O used 4 and 6 mg) with gradual escalation to limit GI side effects. Not for self-administration; it is an unapproved, unmarketed investigational drug.
once-weekly
Once-weekly subcutaneous injection (investigational only)
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
Subcutaneous once-weekly injection (Ozempic / Wegovy)
Over ~1.8 years (trial follow-up)
Over ~1.8 years
Weeks to months
Months (titrated)
Weeks to months
Months (titrated over 16-20 weeks)
Months to years
Especially during dose escalation
Cardiovascular and Renal Outcomes with Efpeglenatide in Type 2 Diabetes.
N Engl J Med (2021) · Rct · n=4076
Pivotal randomized, placebo-controlled cardiovascular-outcomes trial (n=4,076) at 344 sites in 28 countries, in type 2 diabetes with a history of cardiovascular disease OR current kidney disease plus another risk factor; weekly subcutaneous efpeglenatide 4 or 6 mg vs placebo, median follow-up 1.81 years
Cardiovascular and renal outcomes with varying degrees of kidney disease in high-risk people with type 2 diabetes: An epidemiological analysis of data from the AMPLITUDE-O trial.
Diabetes Obes Metab (2024) · Observational · n=3983
Prespecified epidemiological analysis of AMPLITUDE-O data (n=3,983 with baseline eGFR/UACR) relating kidney-disease indices to MACE and the composite kidney outcome and testing whether efpeglenatide's effect varies with them
Efficacy and Safety of Once-Weekly Efpeglenatide Monotherapy Versus Placebo in Type 2 Diabetes: The AMPLITUDE-M Randomized Controlled Trial.
Diabetes Care (2022) · Rct · n=480
Phase-3 double-blind, placebo-controlled monotherapy RCT in type 2 diabetes inadequately controlled with diet and exercise; once-weekly efpeglenatide 2/4/6 mg vs placebo for up to 56 weeks
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 4.3/10) and wins in 2 of 3 categories.
For manage weight, Semaglutide has a higher relevance score (88 vs 50).
No known interactions between Efpeglenatide and Semaglutide have been documented in our database. However, always consult a healthcare provider before combining supplements.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.