Supplements may not be seen in the same serious light as taking prescription or chemical medication, which is why many of us might try our hand at a few different pills, tablets, sprays or drinks when we want to improve our health. But dosing up on all of these things might not be giving you the benefits you were hoping for.

“Many natural supplements can interact with each other,” says Holland and Barrett nutritionist Alex Glover. “There are different types of interaction that can happen with any form of nutrition aid, ranging from a reduction in absorption rates to harmful overdose effects.”