Double your whey for better immune system

training daily has become quite the norm in recent times. With people hitting gyms and doing home workouts of some form, people are finding that working out daily can easily fit into their schedules. one common problem though is the depressed immune system that comes along with such training routine. so a group of Scottish scientist wanted to see if whey protein could be used to strengthen the immune system.

Scottish researchers experimented with 8 well-trained cyclists. On 2 different occasions, the subjects had to train considerably more than usual for a week. In these weeks, training volume increased by as much as 70 percent. A rule of thumb is that athletes who don't want to disrupt their immune systems can increase their training volume by just 5 percent per week.

Physical activity in itself is good for the immune system, but very intensive physical exertion temporarily lowers the immune system's effectiveness. The researchers wondered if they could do something about this by increasing the protein content of the athlete's diet.

So the Scots gave the subjects 1.6 grams of protein per kilogram of body weight per day one week, and the next week 3 grams of protein per kilogram of body weight. The extra energy of the proteins was at the expense of energy from fat.

Results During the intensive workouts, the amount of white blood cells [leukocytes, in other words: all immune cells] in the athletes' blood decreased. This specifically happened with the amount of granulocytes in the blood. You can think of granulocytes as the grenades and land mines of the immune system. Additional protein in the diet reversed the decline in both cases.

The amount of T cells( a type of lymphocyte) in the athletes' blood decreased both during the intensive workouts and during the first hour afterwards. If granulocytes are the immune system grenades and land mines, then

T cells are its soldiers. And yes - this decrease was offset by an increase of the protein content of the diet.

The effects discovered suggest that unusually intensive training increases the chance of an infection with a virus or bacteria - but that extra proteins keep the immune system up. And that's exactly what happened.

During the extra-intensive training week with a normal protein intake, the subjects reported more symptoms of upper respiratory tract infection - but not during the extra-intensive training week with a high protein intake.


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