Calorie Counting Guide: Intake for Muscle & Weight Loss

Determining how many calories you need depends on your fitness goals, whether you are a marathon runner or a weightlifter. Use intake formulas to calculate your needs for muscle gain or sustainable weight loss.

Fatigue While on a Calorie Restricted Diet

Published Jul,08 2011 | By Nina Makofsky

Your body undergoes many changes when you adopt a calorie-restricted diet. It uses its stores of energy to sustain you, which helps you lose weight. However, if you experience long-term feelings of fatigue while following a low-calorie diet, you need to change your intake or the types of food you consume.