“Which vitamin would you say women over 40 are lacking most?” asks Jackie from Facebook. Here to answer is JJ Virgin, Certified Nutrition Specialist and author of The Virgin Diet.

This is a great question, and the answer depends on multiple factors. In her answer, JJ helps outline the essential vitamins and the ones which are most likely to be deficient in your diet. If you're curious about which supplements are right for you, this episode is a must-listen.