Flu Guard, Health From The Sun, 90 Vegetarian Capsules Clinically Proven 90 Vegetarian Capsules Herbal Supplement Health From The Sun Flu GuardTM provides nutritional support for the body's natural defense system. Published pharmacological and clinical studies conducted on Flu Guard (refereed to as SPV 30 in research studies) have demonstrated its ability to maintain healthy immune function. Flu Guard is 100% vegetarian and manufactured according to pharmaceutical GMPs (Good Manufacturing Practices) to guarantee purity. Directions: Take one capsule three times per day with a glass of water. Serving Size 1 Capsule Each capsule contains: Boxwood leaf powder 330 mg