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Medical Disclaimer: This site provides informational comparisons only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or pharmacist before making medication decisions.
Compare Metformin (Glucophage) and ORLISTAT (Xenical) — clinical data, side effects, and patient experiences.
Glucophage, Fortamet, Glumetza · Biguanide
How it works
Decreases hepatic glucose production, decreases intestinal absorption of glucose, and improves insulin sensitivity by increasing peripheral glucose uptake and utilization.
Approved for
Xenical · Weight Management
How it works
12.1 Mechanism of Action Orlistat is a reversible inhibitor of gastrointestinal lipases. It exerts its therapeutic activity in the lumen of the stomach and small intestine by formi...
Approved for
Estimated frequency (%) based on clinical trial data
Based on 22 Reddit discussions
Metformin
27%
positive
15 threads
ORLISTAT
29%
positive
7 threads
% of discussions mentioning each side effect
Based on 1 verified patient review
No data yet
No data yet
Avg. Duration
24 months
100% still taking
Avg. Duration
0 months
0% still taking
Metformin is a Biguanide, while ORLISTAT belongs to the Weight Management class. This means they work through different pharmacological mechanisms, which may influence both efficacy and side effect profiles.
Metformin has an average efficacy rating of 8.0/10 and tolerability of 6.0/10 across 1 patient review. Patient-reported outcomes provide real-world context beyond clinical trials, though individual responses to medication vary significantly..
Metformin carries 2 FDA warnings. ORLISTAT carries 4 FDA warnings. Patients should discuss all warnings and contraindications with their healthcare provider before starting or switching medications..
This comparison is for informational purposes only. Always consult a qualified healthcare professional before making medication decisions.