Why is it Necessary to Lose Weight? Getting in shape not only makes you look good, it even boosts your self-confidence, relieves stress, improves sleep quality, imparts a glow to your skin, improves your mood etc. Thus it is worth all the effort and time spent in losing the extra fat from your body. You can lose weight with a fiber-rich and low carbohydrate diet; regular exercise or by taking herbal formulations.