Dietary supplements; Herbal supplements; Herbal supplements for the treatment of shingles; Mineral supplements; Natural dietary supplements for the treatment of shingles; Nutritional supplements; Nutritional supplements for the treatment of shingles; Vitamin preparations; Vitamin supplements; Vitamins; Dietary and nutritional supplements containing amino acids, fruit extracts, herbs, minerals, and vitamins; Dietary and nutritional supplements for the treatment of shingles