Interaction Checker

Add peptides or compounds to check all pairwise interactions, cumulative organ load, and safety flags.

This stack has significant risks: 1 interaction(s) to avoid and 1 critical warning(s). Review carefully before proceeding.
1 combination(s) marked "avoid": Sildenafil + Tadalafil. Review these interactions carefully.

Cumulative Organ Load

Blood Vessels
low
Gonads
low

Shared Safety Flags

2x 2 compounds share the blood-pressure-lowering safety flag (Sildenafil, Tadalafil). Monitor accordingly.
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Sildenafil + Tadalafil
Avoid

Do not combine PDE5 inhibitors. Additive pharmacological effect on cGMP accumulation increases risk of severe hypotension, priapism, and other adverse events with no additional therapeutic benefit.

Researched 95% confidence Compare

Interaction data is compiled from research literature, pharmacological analysis, and community reports. Inferred interactions are based on known mechanisms and may not reflect all real-world outcomes. Always consult a healthcare professional before combining compounds.