actually if you read any survivalist sites you will find a drop of bleach in a liter of water kills bad organisms.far from killing you it may save your life.bleach is also the same as Miracle-Mineral-Supplement , a product that appears relatively safe - some people taking up to 15 drops in a glass of water.
most of these alkaline substances seem to be fine in very small amounts , such as the amounts ML is suggesting in his drinks.whather he balances this strong calcium with the correct level of magnesium required inside the body is another question that i do not know the answer to.