how long does a retatrutide pen last 40mg UK: Doses, Pen Guide, Price and COA (2026) Retatrutide: The New Triple-Agonist Weight

For GLP-1 receptor agonists, microdosing means using doses significantly below the standard therapeutic range, typically one-fifth to one-tenth of what is prescribed for weight loss or diabetes management

The cheapest FDA-approved GLP-1 without insurance is the oral Wegovy pill at $149 per month for the starter dose through NovoCare Pharmacy, Novo Nordisk's direct cash-pay program

However, this evidence is derived from small observational studies and should be interpreted with caution

Schedule Retatrutide once weekly

In 2009, a second GLP-1 RA was approved liraglutide, which has to be injected once daily

Meta-analysis data shows retatrutide producing approximately 38% greater weight loss than tirzepatide (16.34 kg versus 11.82 kg)