You’re probably wasting money on supplements and don’t even know it. Cheap multivitamins often use forms your body can’t absorb.Magnesium oxide = 4% absorption. Magnesium glycinate = 80%+.Fish oil can be rancid before you even buy it.Some supplements only work at clinical doses — not the tiny amounts in trendy blends. The industry is unregulated — quality varies massively.  ...