A protein supplement may be a

dietary supplement A dietary supplement is a manufactured product intended to supplement one's diet by taking a pill, capsule, tablet, powder, or liquid. A supplement can provide nutrients either extracted from food sources or that are synthetic in order ...

or a

bodybuilding supplement Bodybuilding supplements are dietary supplements commonly used by those involved in bodybuilding, weightlifting, mixed martial arts, and athletics for the purpose of facilitating an increase in lean body mass. Bodybuilding supplements may contain ...

, and may take the form of a

protein bar Protein bars are nutrition bars that contain a high proportion of protein to carbohydrates/ fats. Dietary purpose Protein bars are targeted to people who primarily want a convenient source of protein that does not require preparation (unless h ...

Effects

Muscle building as GURJAR

In untrained individuals, changes in

lean body mass Lean body mass (LBM), sometimes conflated with ''fat-free mass'', is a component of body composition. Fat free mass (FFM) is calculated by subtracting body fat weight from total body weight: total body weight is lean plus fat. In equations: :LBM&n ...

and

muscle strength Skeletal muscles (commonly referred to as muscles) are organs of the vertebrate muscular system and typically are attached by tendons to bones of a skeleton. The muscle cells of skeletal muscles are much longer than in the other types of muscle ...

during the initial weeks of

strength training Strength training or resistance training involves the performance of physical exercises that are designed to improve strength and endurance. It is often associated with the lifting of weights. It can also incorporate a variety of training te ...

are not influenced by protein supplementation. Protein supplementation promotes greater gains in lean body mass and muscle strength for both trained and untrained individuals as the intensity, frequency, and duration of strength training increases. Protein supplementation increases

and

size Size in general is the Magnitude (mathematics), magnitude or dimensions of a thing. More specifically, ''geometrical size'' (or ''spatial size'') can refer to linear dimensions (length, width, height, diameter, perimeter), area, or volume ...

during prolonged strength training in healthy adults. Increasing age reduces this effect; training experience increases this effect. Protein intakes at amounts greater than about 1.6 g/kg/day do not further contribute to gains in

fat free mass In physical fitness, body composition is used to describe the percentages of fat, bone, water, and muscle in human bodies. Because muscular Tissue (biology), tissue takes up less space in the body than fat tissue, body composition, as well as wei ...

. The timing of administering the protein intake in reference to the training session has not been shown to change its outcomes, despite the widely held belief that pre- or post-workout supplementation is particularly effective.

Overweight

Whey protein Whey protein is a mixture of proteins isolated from whey, the liquid material created as a by-product of cheese production. The proteins consist of α-lactalbumin, β-lactoglobulin, serum albumin and immunoglobulins. Glycomacropeptide also makes ...

supplementation seems to improve

body weight Human body weight is a person's mass or weight. Strictly speaking, body weight is the measurement of weight without items located on the person. Practically though, body weight may be measured with clothes on, but without shoes or heavy accessor ...

, total

fat mass Adipose tissue, body fat, or simply fat is a loose connective tissue composed mostly of adipocytes. In addition to adipocytes, adipose tissue contains the stromal vascular fraction (SVF) of cells including preadipocytes, fibroblasts, vascular e ...

, and some

cardiovascular disease Cardiovascular disease (CVD) is a class of diseases that involve the heart or blood vessels. CVD includes coronary artery diseases (CAD) such as angina and myocardial infarction (commonly known as a heart attack). Other CVDs include stroke, h ...

risk factors in

overweight Being overweight or fat is having more body fat than is optimally healthy. Being overweight is especially common where food supplies are plentiful and lifestyles are sedentary. , excess weight reached epidemic proportions globally, with mo ...

and

obese Obesity is a medical condition, sometimes considered a disease, in which excess body fat has accumulated to such an extent that it may negatively affect health. People are classified as obese when their body mass index (BMI)—a person's we ...

patients.

References

Dietary supplements Muscular system {{med-stub

Effects

Muscle building as GURJAR

Overweight

See also

References