All of those supplements are made with “magtein (r)” branded magnesium l-threonate. It all goes back to the same company and that company is the one that has su

All of those supplements are made with “magtein (r)” branded magnesium l-threonate. It all goes back to the same company and that company is the one that has supplied the “studies” that prove its effectiveness. And by “supplied” I mean that the literal vice president of the company’s research arm was an author on at least one of their studies but didn’t disclose his connections until a follow-up update to the study.