Increased eating control and energy levels associated with consumption of bitter orange ( p -synephrine) extract: a randomized placebo-controlled study

Abstract

Using a placebo-controlled double-blinded 30-day protocol, 40 overweight adults were asked to consume a chocolate-flavored chew 15-30 min before their two largest meals of the day. The chews contained either a placebo or an "active" product (100 mg of a bitter orange extract, standardized to 51.5 mg p-synephrine). Subjects completed a 13-item Weight Control Support Scale (WCSS) containing eating control, energy level, and palatability subscales daily throughout the study. All 40 subjects completed the study. No adverse effects were reported in either the placebo or active groups. As compared to placebo, subjects consuming the active product reported statistically more (p