Isoflavones are found in small amounts in a number of legumes, grains, and vegetables, but soybeans are by far the most concentrated source of isoflavones in the human diet (104, 105) .
Standing water under a house is usually the result of only two things; either a leaking water line, or from surface water drainage around the house. If it was from a leaking water line, the leak would have to be substantial, and you would hear running water in the house.
Low water pressure can occur in homes for a number of reasons. The most common is when you have multiple plumbing fixtures running at the same time, i.e. outside hose, shower and/or dishwasher, which reduces the water pressure to each fixture. There are other problems, however, that can cause low water pressure. Pressure Regulators.