A dietitian's verdict: multivitamins are useless
The memory boost in one large trial came to about a quarter of a word in a 20-word recall test, but psyllium and creatine make her buy list.
Dietitian Josie Porter, author of How Not to Take Supplements, sized up ten popular supplements for the Guardian. One of the largest multivitamin trials found a memory improvement in older adults, but it came to "roughly a quarter of a word in a 20-word recall test."
Magnesium is sold for sleep, cr…
