What is the difference between COLD-FX, COLD-FX Extra Strength and IMMUNITY-FX?
• COLD-FX is licensed to help reduce the frequency, severity and duration of colds and flu by boosting the immune system. COLD-FX (regular strength) can be taken for daily protection against colds and flu or acutely (COLD-FX Extra Strength) at the first sign of a cold or flu. IMMUNITY-FX contains CVT-E002, the active ingredient in COLD-FX, plus 50 mg of Reishi and is formulated to provide year round daily immune support.