HerbalFactors® Olive Leaf by Natural Factors $26.39 90 Capsules - $26.39 60 Capsules - $18.69 Size 90 Capsules 60 Capsules 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Natural Factors Olive Leaf is standardized to contain oleuropein, the powerful phytochemical responsible for supporting the body’s natural defense system.*