It's not seen with: Semaglutide (Wegovy/Ozempic): 10% body weight quickly Hypoglycemia (Low Blood Sugar): Rare in non-diabetics ( perceived benefit) Timeline of Side Effects: What to Expect Week by Week Week 14: Initial Dose (2mg) What's happening: Body adjusting to GLP-1 activation Common side effects: Mild nausea (2030%): Usually 12 hours after injection Reduced appetite (desired!) Occasional loose stools Mild fatigue Duration: Usually 25 days after each injection, then improves Management: Take with food, stay hydrated, avoid high-fat meals Week 58: First Dose Increase (4mg) What's happening: GLP-1 effects intensifying Common side effects: Nausea increases (3040%) Diarrhea or constipation (1525%) Fullness sensation (desired effect) Energy fluctuations Duration: Peak in first 23 days after dose increase, then stabilizes Management: Smaller, more frequent meals
A new computational modelling study, published online ahead of print in Toxicon (Rahman et al, 2025), explores this potential relationship examining whether concurrent GLP-1 RA therapy could alter the duration of botulinum toxin effect across neurological and aesthetic applications
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Low blood sugar can also cause weakness, difficulty concentrating and low energy
For patients first prescribed an ADM in March 2025, 72.9% filled a GLP-1 RA within 60 days
This is why major medical organizations caution against viewing B12 shots as universal performance enhancers
