Canagliflozin vs Metformin XR

Side-by-side comparison of mechanisms, dosing, interactions, and stacking potential.

CanagliflozinMetformin XR
CategoryPharmaceuticalsPharmaceuticals
Standard Dose
Timing
Cycle Duration
Evidence LevelModerate (longevity), Strong (cardiorenal)Strong
A

Canagliflozin

Pharmaceuticals

Mechanism

SGLT2 inhibitor originally developed for type 2 diabetes. Blocks glucose reabsorption in kidneys, creating a mild glucose deficit that activates AMPK and mimics caloric restriction. Extended lifespan in male mice in the ITP.

Contraindications

  • Type 1 diabetes (DKA risk)
  • Severe renal impairment (eGFR <30)
  • History of recurrent UTIs
B

Metformin XR

Pharmaceuticals

Mechanism

AMPK-activating insulin sensitizer that reduces hepatic glucose output and improves glycemic control. Also used in longevity-oriented discussion due metabolic effects.

Contraindications

  • Severe renal impairment
  • Acute illness with lactic acidosis risk

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