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Want Muscle? Don’t Forget To Eat Your Yolks!

Eggs and muscle building have long been linked. Everyone is familiar with the cringe-worthy portrayal of a muscle-laden man slamming down a glass of raw eggs on workout day. While this image has fallen into the realm of being a stereotype, there is some truth behind the unusual snack and building muscle. The ‘raw’ part may be as unnecessary as it is unappetizing, but eggs (fully cooked!) can give you a boost for muscle growth.

First, let’s look at a few misconceptions about eggs…

Over the recent years, eggs have gained an unsavory reputation due to their high cholesterol content. It has been speculated that consuming eggs will lead to high cholesterol and cardiovascular disease. At a quick glance, it makes sense that eating more cholesterol would raise someone’s cholesterol levels. However, it’s not as clear cut as that and science refutes the claim. In a Michigan State University study that included over 25,000 participants, it was found that those that consumed eggs had a lower cholesterol levels than those that didn’t regularly eat eggs.

Eggs will change cholesterol levels but not in a way that negatively affects health. Studies have shown that getting a high cholesterol intake from eggs leads to bigger particles of LDL. This is the ‘bad’ cholesterol but when the particles are bigger, they are less likely to build up into plaque on artery walls. More importantly, it causes more HDL to be produced in bigger particles, making the HDL more efficient at removing cholesterol from the bloodstream.

All-in-all, they are not bad for you.

If you’re looking to build muscle, eggs actually have quite a few benefits. This is especially true for egg yolks. Many people that eat eggs will take the yolk out and eat only the whites but by doing this, they’re only get half the benefits of the meal.

An average egg has 6 grams of high quality protein and this is the most obvious benefit because protein is well known for being a vital part of muscle growth. Roughly half of that protein content is contained in the yolk. By taking out the yolk, you turn a great source of protein into only a moderately good source of protein. More importantly, yolk contains all the cholesterol and is high in saturated fat.

Why are cholesterol and fat good?

They’re needed to produce testosterone. Cholesterol an important building block of the hormone so in order to raise testosterone levels, you need a fairly good amount of dietary cholesterol. Saturated fat was also found to raise testosterone in a study involving men. The men that had diets high in saturated and monounsaturated fats had higher testosterone than those with diets high in polyunsaturated fats. Testosterone is a key ingredient to building muscle mass. It boosts muscle protein synthesis, causing more muscle to be formed during the healing stages after a workout.

With both high quality protein and the elements needed for testosterone production, egg yolks are a helpful muscle growing additive to a healthy diet.

Resources:

“Reevaluating Eggs’ Cholesterol Risks.” Science News. Web. 01 Mar. 2016.

Griggs, RC. “Effect of Testosterone on Muscle Mass and Muscle Protein Synthesis.” Journal of Applied Physiology 66.1 (1989): 498-503. Web.

Volek, Jeff S. “Testosterone and Cortisol in Relationship to Dietary Nutrients and Resistance Exercise.” Journal of Applied Physiology 82.1 (1997): 49-54. Web.