Liquid IV contains sugar and salts; it "works" by giving quick energy (sugars) and increasing water retention (salts); while these don't hurt a person, they give the illusion of helping. I looked at the watercures.org site, and it is correct that getting enough water and having a good balance of fluids and salts is important to health. Athletes and others that sweat in particular need to replenish water, salts, and sugars. Otherwise, the site is bogus. Curing MS and cancer through their water plan? There is minimal difference between Morton's salt (mostly NaCl) and the other sea-derived salts (although some contain heavy metals). I drink a lot of water and am on a low sugar and salt diet. If one is concerned about the quality of their tap water then it is good to send a sample for minerals/bacteria analysis, and to filter it. I spent 40 years as a research geochemist/geologist, including on salts. My brother believed that his pancreatic cancer could be cured by drinking flourine-free water and eating sesame seeds; there is a lot of misinformation online. It is important to eat and drink a healthy diet, get enough exercise, avoid stress, and get enough sleep and social contacts. I got covid on a 7-day 350 mi bike ride last March; it took 8 months for the LC to go away.