Herbal Results Maximum Strength Olive Leaf Extract Plus Phytonutrients is an 8 oz. liquid with an extraction medium that is 3x more effective than vegetable glycerin based extracts that most other brands use. Liquid has a 90-98% absorption rate as compared to capsules which have a 10% absorption rate. In addition, ours is an 8 ounce bottle as compared to most tinctures being sold on the market as only 1 ounce bottles. See our multiple illness reversal video testimonials here: https://www.herbalresults.net/testimonials.html.