Such charities also look for a balance between meeting the demand for gambling and maximizing the social and economic benefits of gambling for the community, while helping to minimize potential harm to individuals and the community. The revenue the club generates from various wagers makes it the largest taxpayer for the government. This amendment granted the Hong Kong Jockey Club more autonomy in how it ran its own operations.
There are a few that appear to be mildly effective. This includes Caffeine, Green Tea and Glucomannan (a fiber that can reduce appetite). However, the results are usually weak and inconsistent and certainly nothing to get excited about.