or sprays, are being sold in health stores, and supporters of the diet craze say it’s a “weight-loss miracle.” HCG is a hormone produced during pregnancy by the placenta. Dr. Laree Hooker, of Tempe, Ariz., said there is no evidence that HCG products effectively help people lose weight. “With the injectible HCG, all the literature shows that after the protocol, it basically recalibrates your metabolism for your body’s new set point for your weight, and that evidence is just not present for the homeopathic version,” Hooker said. Elizabeth Miller, who oversees the FDA’s Internet health-fraud team, said HCG products . administration official told reporters Monday that the U.S. remained committed to the plan, but there would be a readjustment in the scheduling. He did not elaborate. The official requested anonymity as the formal announcement is expected after Tuesday's talks, that will also address North Korea's nuclear program, Afghanistan, and missile defense. The delay has been widely anticipated as Japan's government has failed to win local assent for the plans, formalized in a 2006 agreement with the U.S., although they are designed to reduce the U.S. military footprint on Okinawa, which hosts more than half of the 47,000 American troops in Japan. Many of the islanders resent the presence of the U.S. forces. Under the agreement, Marine air operations would be shifted to a less crowded part of the island, where a new airfield would be built. Some 8,000 Marines would also be shifted to the U.S. Pacific territory of Guam by 2014. Japan's previous prime minister, Yukio Hatoyama, was forced to resign last year after promising and failing to get Marines off Okinawa altogether. An influential group of U.S. senators has also weighed in on the debate, saying the current plans are unaffordable and unworkable. A defense spending bill approved last week by the Senate Armed Services Committee would prohibit funding for the relocation without first con