"I’ve seen very expensive protein supplements that claim to be high quality but they might not really be beneficial for the average healthy adult," she says.

"Whole foods are always the best option rather than adding supplements," he says, noting the FDA does not regulate supplements as rigorously as foods or drugs.

People don't just go in a local grocery store and buy these supplements.

Pipitone claims that healthy adults need not spend money on protein supplements.

Protein supplements may overburden some internal organ, thus leading to its malfunctioning.

So really, those supplements aren't going to give you that perfect memory in the way that they promise.

The expert review also found insufficient evidence to recommend any drugs or dietary supplements that could prevent or slow cognitive decline.

The other thing is that a lot of these supplements aren't necessarily what they claim to be, and you really have to be wary when you take any of them.

There have been some indications that extra protein makes the kidneys work harder, which could be problematic for individuals with a history of kidney disease and for them, the supplements may increase the risk of kidney stones, the says.

They focus on improving diets or providing micro-food supplements.

Today, you can find protein supplements everywhere—online or at the pharmacy, grocery store or health food store.

Vegans can benefit from protein supplements since they do not eat animal-based protein sources like meat, dairy or eggs.

What you must understand is that those supplements, especially in some eastern cultures, are part of a medical practice tradition.

You know, one of the first things I like to tell people when they ask me about the supplements, is that a lot of them are promoted as a cure for your memory, but your memory doesn't need a cure.