Informational only. Not medical advice.INFORMATIONAL PLATFORM ONLY — NOT MEDICAL ADVICE, DIAGNOSIS, OR TREATMENT
Informational only. Not medical advice.INFORMATIONAL PLATFORM ONLY — NOT MEDICAL ADVICE, DIAGNOSIS, OR TREATMENT
Head-to-head comparison of Liraglutide and Tesofensine — mechanism, side effects, legal status, and pricing.
Liraglutide is an FDA-approved GLP-1 receptor agonist marketed as Victoza (type 2 diabetes, approved 2010) and Saxenda (chronic weight management, approved 2014). It was the first GLP-1 analog approved for obesity and carries an FDA boxed warning for the risk of thyroid C-cell tumors. Pediatric indications include type 2 diabetes in patients ≥10 years (Victoza) and obesity in patients ≥12 years with BMI ≥95th percentile (Saxenda).
Tesofensine is a small-molecule triple monoamine reuptake inhibitor (serotonin, norepinephrine, dopamine) — NOT a peptide. Originally developed by NeuroSearch for Parkinson's and Alzheimer's disease (which it failed to benefit) and repositioned for obesity by Saniona. Not FDA-approved in the US.
Liraglutide
Tesofensine
Category
Legal Status
Mechanism
Half-life
Side Effects
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Liraglutide
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COA corpus from Disclosed Labs — independently tested batches only.
Liraglutide
No COA data yet.
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15
COAs
99.4%
Avg purity
6
Labs
The SCALE Obesity and Prediabetes trial (Pi-Sunyer et al., NEJM 2015; PMID 26132939) demonstrated ~8% body-weight loss at 3.0 mg daily over 56 weeks, and the SCALE Diabetes trial (Davies et al., JAMA 2015; PMID 26284720) showed 6.0% weight loss in adults with type 2 diabetes. The LEADER cardiovascular outcomes trial (Marso et al., NEJM 2016; PMID 27295427) demonstrated a 13% relative reduction in major adverse cardiovascular events in type 2 diabetes with established CVD or high CV risk. A pediatric Phase 3 trial (Kelly et al., NEJM 2020; PMID 32233338) supported Saxenda's FDA approval for adolescents ≥12 years with obesity. While less effective than newer GLP-1 agonists for weight loss, liraglutide has the longest track record and most extensive real-world safety data. The daily dosing requirement is its main disadvantage versus weekly semaglutide.
Key references
Pivotal Phase 2 (Astrup et al., Lancet 2008, n=203, 24 weeks, Denmark) showed placebo-subtracted weight loss of 4.5%, 9.2%, and 10.6% at 0.25, 0.5, and 1.0 mg/day — roughly twice orlistat at 0.5 mg. (The Lancet issued an expression of concern about that trial in 2013.) Saniona's Mexico partner Medix ran a Phase 3 registration study that met its primary endpoint; Medix filed with COFEPRIS in May 2023 with supplemental data submitted in 2024. As of April 2026 a final Mexican approval decision is still pending — the commonly repeated '2022 Mexico approval' claim is inaccurate. Tesomet (tesofensine + metoprolol, intended to blunt cardiovascular signal) is in development for hypothalamic obesity and Prader-Willi syndrome.
Key references
Liraglutide and Tesofensine are both in the Metabolic category and may have overlapping mechanisms. Researchers should review both profiles carefully, understand the mechanisms of action, and monitor the relevant biomarkers when combining compounds in the same class. As always, consult a licensed healthcare provider before making any decisions about combining research compounds.
This platform provides informational tools only, not medical advice. This comparison is for educational purposes only. Consult a licensed provider.
Contraindications
Lab Testing
Disclosed Labs