Tirzepatide/Pyridoxine (B6)
Tirzepatide/pyridoxine is a compounded medication combining the weight-loss drug tirzepatide with vitamin B6 (pyridoxine). It is used for chronic weight management in adults, with pyridoxine added to reduce side effects like nausea and vomiting while potentially boosting metabolism. This combination is not FDA-approved, unlike branded alternatives.
Key Details
- Purpose: Combines the GLP-1/GIP receptor agonist tirzepatide for appetite suppression with vitamin B6 to aid energy levels and reduce gastrointestinal discomfort.
- Compounding: These formulations are produced by licensed compounding pharmacies, often used when commercial products (e.g., Zepbound, Mounjaro) are in short supply or for customized dosages.
- Side Effects: While B6 may reduce discomfort, users may still experience common GLP-1 side effects: nausea, vomiting, diarrhea, constipation, and abdominal discomfort.
- Usage: It is administered via subcutaneous injection (under the skin), typically once a week.
- Warnings: It should not be used if you have a history of certain thyroid or endocrine tumors (e.g., MTC or MEN2).
Benefits of Added Pyridoxine (B6)
- Less Nausea: Helps alleviate the common,, nausea associated with GLP-1 agonists.
- Energy Support: Supports metabolism, which can improve energy levels during calorie deficits.
- Mood Management: Promotes better neurotransmitter function during the adjustment to the medication.
Tirzepatide/Cyanocobalamin (B12)
Tirzepatide mixed with cyanocobalamin (Vitamin B12) is a compounded formulation frequently marketed for weight loss, combining the appetite-suppressing effects of tirzepatide with the metabolic support of B12. While aimed at improving energy levels and supporting metabolism during calorie restriction, this specific combination has recently been flagged by Eli Lilly for safety risks due to potential chemical interactions.
What is Tirzepatide/Cyanocobalamin?
- Tirzepatide: A dual GIP (glucose-dependent insulinotropic polypeptide) and GLP-1 (glucagon-like peptide-1) receptor agonist, which slows gastric emptying and increases feelings of fullness.
- Cyanocobalamin (Vitamin B12): An essential nutrient added to help with energy levels, red blood cell creation, and metabolism.
- Purpose: The combination is often sold through compounding pharmacies and medical spas, specifically targeting patients with a BMI \(\ge \) 30 or \(\ge \) 27 with weight-related conditions.
Key Considerations
- Appearance: Compounded tirzepatide with B12 often appears pink or light red due to the added vitamin, unlike the clear, colorless appearance of FDA-approved, brand-name tirzepatide.
- Potency Issues: Independent testing has shown that some compounded products contain inconsistent amounts of the active ingredient, sometimes as low as \(43\%\) of the labeled dose.
- Side Effects: Typical side effects include nausea, vomiting, diarrhea, constipation, and abdominal pain.
- vailability: In late 2024, the FDA indicated that shortages of tirzepatide were resolved, meaning the legal pathway for pharmacies to compound these products was closed, according to some reports.


