Compounded Semaglutide+L-Carnitine (CarniSema®)

Semaglutide + L-Carnitine

Level B
Compounded Semaglutide+L-Carnitine (CarniSema®)

Editor: Dr. Jobby John, PharmD, FACA

Peptide Ledger review boards: Medical Review Board (Dr. Jobby John, PharmD, FACA; Dr. Richard Harris, MD, PharmD, MBA; Dr. Tracy Neal, MD; Dr. John Thoppil, MD; Dr. Natalie Kash, MD; Dr. Rahil Roopani, MD)Pharmacist Review Committee (Rachel Kuretich, PharmD, PharmD; Daniel Alonso, PharmD, PharmD; Christina Gunter, PharmD, PharmD; Patrick Gurley, PharmD, MS, PharmD, MS; Gyu-Hee Min, PharmD, PharmD)

Reviewed November 13, 2025

References are being re-verified against PubMed and will return with review dates.

B
Moderate Evidence
Observational studies and case series with consistent findings

Observational studies and case series with consistent findings

Compounded Semaglutide+L-Carnitine (CarniSema®) Injection is a compounded formula of semaglutide and L-carnitine. The combination has not been tested in controlled trials; that is the next step.

Semaglutide acts as a GLP-1 receptor agonist to stimulate insulin secretion, suppress glucagon, slow gastric emptying, and induce central satiety, lowering appetite and improving glycemic control.
L-carnitine supports mitochondrial import and β-oxidation of fatty acids, and is being studied for effects on fat metabolism and cellular energy availability.
Controlled trials of the combination are the next step.

Common effects: injection site redness, swelling, mild discomfort; gastrointestinal symptoms (nausea, diarrhea, constipation) due to semaglutide; appetite suppression, headache, dizziness, taste changes, fatigue. Rare but serious: allergy, hypersensitivity, or pancreatitis. Most adverse effects are mild to moderate, largely reflecting semaglutide’s profile.

Contraindicated with allergy to semaglutide, L-carnitine, or excipients; medullary thyroid carcinoma/MEN2 history; severe renal impairment (for carnitine); pregnancy, lactation, or children unless medically necessary.
Precautions for GI disease, pancreatitis history, or co-use with hypoglycemics. Monitor for weight, glucose, appetite, injection tolerance, allergenic or GI symptoms.

⚠️ Important safety information above

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Important Information About Compounded Medications

These peptides are not FDA-approved but are commonly used by providers and patients under medical supervision. These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease. We provide evidence-based information from current research to help navigate this evolving field. Our goal is clear, evidence-based information for clinicians, with professional oversight at every step.

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