” It appears money spent on them quite literally is down the toilet.”
Three years ago I was having heart problems, discomfort, numbness and difficulty sleeping. I spent over $1000 on a doctor-recommended cardiac stress test and was told I was fine yet the problems remained. ~That~ money went down the toilet.
On advice of a FReeper I started taking magnesium and potassium supplements which were3 >500% of recommended daily amounts. My heart issues decreased immediately and have continued to improve over the last 3 years.
Did you have a shortage of Mag/Potassium before taking the supplements? Were you taking Mag/ Potassium depleting meds?
What sort of “heart issues” did you have? Was your diet short in Mag./Potassium? None of these things would be answered by a stress test. If you had a treatable condition that could be helped by additional minerals then by all means take them but since I don’t suffer from those problems my taking your supplement would be wasted money.
If having enough vitamins makes a person healthy having twice enough will not make them any healthier.