Description
Overview
Same PDE5 mechanism as sildenafil but much longer duration; also used for BPH and pulmonary hypertension.
Composition / Profile
- Active compound: Tadalafil
- Drug class: PDE5 inhibitor (long-acting)
- Pack / dose (this listing): 20mg / 10 tab
Format
- Oral tablet
- Pack / dose: 20mg / 10 tab
Dosage & Usage Patterns
- Bodybuilding (commonly cited): Clinical: ~10–20 mg per dose or ~2.5–5 mg daily low-dose; longer duration than sildenafil.
- Clinical / general reference: Clinical dosing is prescription-based (per-dose or low daily).
- Half-life: ~17.5 h (long).
- Protocols vary by individual, compound stack, and bloodwork — figures above reflect community-reported patterns, not medical recommendations.
Effects
Reported benefits (commonly cited)
- Improved erectile function.
- Longer window of action (~36 h).
Reported side effects
- Headache.
- Back/muscle aches.
- Flushing.
- Indigestion.
- Priapism (rare).
Key Interactions
- Dangerous with nitrates.
- Caution with alpha-blockers/BP meds.
Precautions
- Long half-life means interactions (esp. nitrates) persist longer than with sildenafil.
Common Misconception
Myth: ‘stronger than Viagra.’
Evidence: main difference is duration, not raw potency.
Related Categories
- Browse more in Sexual Health → Tadalafil.
Storage
- Store in a cool, dry place away from direct light and moisture






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