Excerpts from the tip sheet:
Before a Meal
To help improve digestion, take bitter herb supplements, such as milk thistle or dandelion, just 10-15 minutes before a meal.
Taking a fiber supplement 15 minutes before a meal can make you feel fuller.
With a Meal
If you need help sticking to your supplement regimen, consider taking your supplements with a meal.
Take fat-soluble vitamins (vitamins A, D, K & E) in combination with a meal. According to a new study, taking vitamin D with food improves absorption. (Dawson-Hughes, Bess et al. Dietary Fat Increases Vitamin D-3 Absorption. Journal of the Academy of Nutrition and Dietetics. 2014.)
Away from a Meal
Melatonin works best as a sleep aid if taken on an empty stomach.
Remember to talk with your doctor or other health care practitioner about what supplements are right for you.