PQQ is generally well-tolerated, but some individuals may experience mild side effects, including digestive discomfort or headaches. As with any supplement, it is crucial to consult a healthcare professional before starting PQQ, especially for those with pre-existing health conditions or those taking medications.
Despite its therapeutic benefits, pentoxifylline is not without side effects. Commonly reported adverse effects include gastrointestinal discomfort, headache, dizziness, and skin reactions. Serious complications, albeit rare, can include bleeding and hypotension. It is crucial for patients to consult healthcare professionals before starting any new medication, especially those with pre-existing conditions or who are taking other concurrent treatments.