While crushing pills may ensure that they break down appropriately in the stomach, taking them with milk is not great idea, as milk may interfere with the absorption of some of the nutrients in a multivitamin such as iron.

Is it OK to crush vitamins?

Answer: It's often okay to break or open a vitamin or other supplement, either by splitting or crushing a tablet or twisting open a capsule. ... You can also use a pill crusher or mortar and pestle to turn a pill, or part of a pill, into a powder that can be taken with food or in a drink.

How can I get my multivitamins to absorb better?

“The best time to take a multivitamin is with food so any fat can help with absorption. You can also drink a water-based beverage to wash it all down,” notes Dr. Perez-Gallardo. “But the drawback is that your body won't absorb the water-soluble vitamins as well as fat-soluble ones.”