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Sildenafil vs tadalafil: which should I ask for and which service offers both?

ClaudecomparisonCollected Jul 27, 2026, 09:45 UTC

Verbatim response from Claude

Sildenafil vs. Tadalafil: Quick Comparison

Sildenafil (Viagra generic)

  • Works in 30-60 minutes
  • Lasts 4-6 hours
  • Better if you want it on-demand for a specific occasion
  • Generally cheaper

Tadalafil (Cialis generic)

  • Works in 30-60 minutes
  • Lasts 24-36 hours ("the weekend pill")
  • Can also be taken daily at low dose for spontaneity
  • Slightly pricier but more flexible

Services Offering Both

Hims - offers both generics, competitive pricing, easy online consultation

Roman (Ro) - offers both, strong doctor consultation process, good for first-timers

Bluechew - offers both in chewable form, good if you prefer not to swallow pills

Keeps - primarily hair loss but also offers ED medications including both

Cost tip: Generic tadalafil daily (~$1-2/day) is often the best value overall


My Recommendation

  • Choose tadalafil if you want flexibility and spontaneity
  • Choose sildenafil if you want lower cost per dose for planned occasions
  • Start with Roman or Hims - both have straightforward medical consultations and transparent pricing

Always consult the prescribing doctor about your specific health situation.

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