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The ubiquity of protein powders is quite a new thing, and only time will tell who (if anyone) really stands to gain from taking protein supplements.
Again, however, to reach any reliable conclusion on this potential benefit to protein powders we need to conduct more extensive research.
There has also been a suggestion that extra whey protein could help reduce levels of inflammation in the body.
One meta-analysis of nine trials, for example, showed that protein powders can help stimulate weight loss and improve blood pressure and cholesterol levels.
However, the people in this study were overweight or obese, and we cannot be sure the results would be the same in people of a healthier weight.
We also cannot be sure of the long-term health effects of protein powders. Adding so much protein to our diet is quite a new concept and we don’t know how it affects our hearts and kidneys over time.
In the meantime, dieticians continue to stress that we should aim to get all our nutrients from whole foods, rather than supplements, wherever possible.
Some argue that protein supplements can benefit our bodies in ways other than improving muscle gain.
Results also showed a slightly heightened ability to do bench presses, but the protein powder made no difference in other strength tests, such as handgrip.
High amounts of sugar, such as some protein powders on the shelves contain, could lead to spikes in blood sugar and, of course, weight gain.
And then there is the problem that many protein powders contain added sugars, flavoring, and vitamins.
So all in all it would seem that protein powders may help you on your quest to build muscle, but only if you are ready and willing to put in the work.
There have been a number of studies in this field, but it is a little difficult to compare them because of the different participant pools.
Some studies are conducted with people who are obese, some with elderly people, and others with young gym bunnies. This makes it very hard to generalize.
As expected, the paper showed that protein powder did make a difference to both lean body mass and lower body strength, provided participants were also doing resistance exercise.
That is to say, if you chug a protein shake and then sit on the sofa for a few hours, the extra protein in your body will do nothing for you whatsoever (other than likely make you gain weight).
There is a caveat though: muscle building only really works if you do some form of resistance training (such as weight machines) after consuming the supplement.
So is there anything really to be gained from turning to those protein shakes? On the whole, the research shows that protein powders do help to build muscle.
Indeed, research suggest that the majority of adults in high-income countries do get at least the daily amount of protein as recommended by the health authorities.
It is helpful to remember that protein is found in many foods that we consume on a daily basis. Eggs, milk, yogurt, fish, lentils, meat, and soya are all rich sources of protein.
Protein also serves the general purpose of keeping our brains, hearts, and skin doing exactly what we need them to do, when we need them to do it.
Given the important role that protein plays in keeping our bodies healthy, is it a case of "the more the better"? Could we all benefit from consuming more protein?
There is no question whatsoever that protein is an essential part of our diet. In fact, it serves many important functions.
We need protein in our diet, for example, to help build and repair our muscles, keep our bones strong, and maintain our immune systems.
Others, in particular elderly people with smaller appetites, rely on protein powders simply to get their recommended daily intake of nutrients.
Some people take protein supplements, often in the form of a scoop of powder added to milk or to a smoothie, in order to bulk up in the gym.
So as protein powders really take off and the supermarket shelves are awash with protein-boasting products, it’s time to ask whether these supplements are actually good for us.
In recent years, however, there has been somewhat of a protein revolution, with more and more people consuming protein supplements in addition to their normal diet.
Back in the day, protein supplements were the reserve of professional athletes. Those big tubs at the back of the health food store were off-limits to the average Joe.
If you've ever stepped foot in a gym (and probably even if you haven't), you might have seen people popping a scoop of powder into their drink, shaking it furiously, and then drinking it. Oftentimes, that powder is a protein supplement. With there being many perceived benefits to consuming extra protein, increasing numbers of people are turning to protein powders to supplement their regular dietary intake.
However, as protein supplements grow in popularity, more and more people are asking whether they actually serve any purpose, and even whether they could perhaps be detrimental, rather than beneficial, to our health.
Curious? Check out this gallery to learn the truth about protein powders.
The truth about protein powders
Are they actually bad for us?
HEALTH Diet
If you've ever stepped foot in a gym (and probably even if you haven't), you might have seen people popping a scoop of powder into their drink, shaking it furiously, and then drinking it. Oftentimes, that powder is a protein supplement. With there being many perceived benefits to consuming extra protein, increasing numbers of people are turning to protein powders to supplement their regular dietary intake.
However, as protein supplements grow in popularity, more and more people are asking whether they actually serve any purpose, and even whether they could perhaps be detrimental, rather than beneficial, to our health.
Curious? Check out this gallery to learn the truth about protein powders.