date:Oct 17, 2013
33 subjects only used OTC treatment. Results concluded the duration of the cold decreased significantly in comparison with controls.
The second phase followed 196 patients with colds, divided into three groups and given the three separate variations of supplementation for five days or more. Both phases of the study evaluated subjects between the ages of 25 and 70 years and conducted a follow-up examination after three days.
The trio (100mg Pycnogenol + 200mg vitamin C + 30mg Gluconate Zn per