COLD-FX Extra strength (150 caps) may help to reduce the chances of cold and flu symptoms by boosting your immune system. Don’t forget to take while travelling. Each capsule contains 300mg of the main active ingredients CVT-E002®, derived from the Panax Quinquefolius. COLD_FX Extra strength is 50% more active than COLD-FX. Helps to reduce symptoms of cough, cold, headaches, nasal congestion, runny nose, fever, a sore throat, and its non-drowsy.