Ask an RD: Calorie deficits, maintenance, and surpluses with Hope Brandt, RD

When should you be in a calorie deficit? And for how long? When is maintenance appropriate, and how do you know when you're at maintenance? Is a calorie surplus necessary for muscle growth? All these things are discussed in today's installment of ASK an RD, with our guest, Hope Brandt, RD. To take our free 35-minute Upper Body Build class taught by Dr. Shannon, visit portal.evlofitness.com .