Protein is widely considered one of the most important nutrients for muscle growth, but experts say consuming protein alone is not enough to build bigger and stronger muscles. While protein provides the essential building blocks needed for muscle repair and recovery, the body requires exercise, proper nutrition and recovery to stimulate actual muscle growth.

Dr. Nishant Raizada, Head of Endocrinology and Diabetes at Amrita Hospital, Faridabad, explained that muscle growth requires a combination of resistance training and adequate protein intake. He said protein acts as the raw material for repairing muscle fibres, but strength training provides the signal that triggers muscle development. Resistance exercises create microscopic stress in muscles, activating processes involved in muscle protein synthesis.

Simply increasing protein intake without exercising is unlikely to result in significant muscle gain. Experts say the body uses protein according to its needs, including muscle repair and other essential functions. Any excess amino acids consumed beyond the body’s requirements may be used for energy or stored rather than automatically converted into new muscle tissue.

Also Read: Worried About Neck Lumps? Doctor Explains When Thyroid Checks Matter

For people involved in regular resistance training, the International Society of Sports Nutrition recommends approximately 1.4 to 2.0 grams of protein per kilogram of body weight per day. However, consuming high amounts of protein through shakes or supplements without physical training does not provide the necessary stimulus for muscle growth.

Strength training remains the key factor in developing muscle mass. Activities such as weight lifting, resistance band exercises, bodyweight workouts and progressive overload training challenge muscles and create small fibre disruptions. During recovery, the body repairs these fibres, making them stronger and larger over time.

Carbohydrates, calories, sleep and recovery also play important roles in muscle development. Dr. Raizada said carbohydrates help restore muscle glycogen, improve workout performance and reduce muscle breakdown during exercise. Adequate calories, healthy fats, seven to nine hours of sleep and consistent training are all necessary for sustainable results.

Research has consistently shown that the combination of resistance exercise and sufficient protein intake leads to better muscle growth compared with increasing protein consumption alone. Experts emphasise that building muscle requires a balanced approach, where training provides the growth signal and nutrition, rest and recovery support the body’s ability to adapt and become stronger.

Also Read: Why Do You Wake Up With A Sore Throat? Doctor Explains