Semaglutide vs Tirzepatide vs B12 injections — side-by-side pricing, results, mechanisms, and which is right for your goals. The most thorough comparison for medical weight loss in Miami.
What's your primary goal?
GLP-1 Receptor Agonist
Proven first-line GLP-1, best balance of cost and results
Starting Price
From $34/mo
0.25mg starter dose
12-Month Results
14.9% body weight
clinical avg
Best for
Common Side Effects
Dual GLP-1 + GIP Agonist
The most powerful weight loss injection available, dual-action
Starting Price
From $272/mo
2.5mg starter dose
12-Month Results
20.9% body weight
clinical avg
Best for
Common Side Effects
Metabolic Support Injections
The perfect complement to any GLP-1 program
Starting Price
Starting at $25/injection
Often bundled with GLP-1 programs
12-Month Results
Best as GLP-1 add-on
clinical avg
Best for
Common Side Effects
All three treatments at a glance — Semaglutide vs Tirzepatide vs B12 + Lipotropic
| Category | Semaglutide | Tirzepatide | B12 + Lipotropic |
|---|---|---|---|
| Mechanism | GLP-1 receptor agonist (single pathway) | Dual GLP-1 + GIP receptor agonist | Vitamin B12 + MIC formula (Methionine, Inositol, Choline) |
| Starting Price | From $34/mo | From $272/mo | Starting at $25/injection |
| Avg. 12-Month Weight Loss | 14.9% body weight | 20.9% body weight | Best as GLP-1 add-on |
| Dosing Frequency | Once weekly injection | Once weekly injection | Weekly injections |
| Starting Dose | 0.25 mg/week | 2.5 mg/week | Full dose from session 1 |
| Maximum Dose | 2.4 mg/week (Wegovy) | 15 mg/week | Weekly maintenance |
| FDA Status | FDA-approved for chronic weight management | FDA-approved (Zepbound for obesity, Mounjaro for T2D) | Nutritional supplement injections |
Clinical trials show Tirzepatide produces greater average weight loss (20.9%) vs Semaglutide (14.9%). Tirzepatide's dual GLP-1 + GIP mechanism is more potent. However, Semaglutide is more affordable starting at $34/month and is still highly effective.
Yes — B12 + Lipotropic injections are commonly combined with GLP-1 medications. They help combat GLP-1-related fatigue, support fat metabolism, and improve energy. This combination is standard practice at B12 Injections Miami.
At B12 Injections Miami, Semaglutide starts at $34/month for the 0.25mg starter dose. Full-dose Semaglutide (2mg) is approximately $200-240/month. All include medical supervision.
Tirzepatide starts at $272/month for the 2.5mg starter dose at B12 Injections Miami, with doses up to 15mg available. All include full medical oversight by licensed Florida physicians.
For maximum results, Tirzepatide produces about 6% more weight loss on average. For cost-effective first treatment, Semaglutide is excellent. B12 + Lipotropic should be added to any GLP-1 program for energy support. A free consultation at B12 Injections Miami can determine the right fit.
GLP-1 medications (Semaglutide and Tirzepatide) produce significant weight loss even without major diet changes — clinical trials showed 14-21% body weight loss with medication alone. Adding lifestyle changes amplifies results.
Our medical team at B12 Injections Miami — Miami's most reviewed weight loss injections clinic — will evaluate your history and recommend the right treatment for your goals.
Looking for a deeper Semaglutide vs Tirzepatide comparison?
Clinical data, head-to-head results, and how to choose — on our dedicated comparison page.