Solgar carefully selects only the best quality herbal ingredients from sustainable sources and are non-irradiated for optimal purity and potency. All Solgar herbal products contain a natural antioxidant blend to protect the herb's freshness, stability and integrity throughout their shelf life, and are suitable for vegans. Directions As a food supplement for adults, one (1) to three (3) Vegetable Capsules daily, preferably at mealtime, or as directed by a healthcare practitioner. Precautions If you are pregnant, nursing, taking any medication or have a medical condition, please consult your healthcare practitioner before taking this product