British Vitamins. ZMA B6 Zinc + Two Forms Magnesium L Threonate & Magnesium Aspartate. Magnesium Taurate Cardiovascular & Anxiety 1250mg Vegan Non-GMO 150mg magnesium. Would you add magnesium stearate, stearic acid, shellac, talc, or colouring to your smoothie, in the way you’d add a handful of berries?.