Patient reviews online show phentermine and tirzepatide to both be more effective and far better tolerated than semaglutide, as the below table illustrates.

Phentermine

• Rating 8,7
• Reviews 3015
• Positive effect 84%
• Negative effect 5%

Tirzepatide

• Rating 8,7
• Reviews 1707
• Positive effect 81%
• Negative effect 5%

Semaglutide

• Rating 7
• Reviews 2522
• Positive effect 57%
• Negative effect 20%

For the majority of people, phentermine remains the weight loss medication of choice, due to its effectiveness, extensive track record of safety, and affordability.

Until recently due to Ozempic marketing spend.
$491 million ad campaign 2023
$401 million in 2022

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