When going to bed at night, you will be embarking on a six to eight hour journey of repair and rest. During this time, the body is not being fed; we call it the post-absorptive period. In the day, the one or two hours after eating are known as the post-prandial period. During this time, the body is digesting and absorbing nutrients. When a person eats and during the post-prandial period, the maintenance needs for energy and blood glucose in the body are met. The body at this time then begins to manufacture glycogen and proteins in the muscle and liver. Once this period is over, the post absorptive period sets in.
During the day, the first hour or two after eating is known as the post-prandial period. At this time, the body is digesting and absorbing nutrients. When a person eats and during the post-prandial period, the needs for blood glucose and maintenance needs are met. At the time, the body starts to synthesize glycogen and proteins in the muscle and liver. Then the post-absorptive period sets in. The body starts using the stored nutrients in the body for energy. The liver and muscle start producing and sending amino acids and glucose out to the blood in order to maintain tissue and blood glucose metabolism. Eating frequently in the day sets in a long post-absorptive period. That is why after a fast overnight and long post-absorptive period, muscle protein and muscle carbohydrate will have been depleted. After an overnight fast, muscle protein breakdown exceeds synthesis of muscle protein. What comes out clearly here is that at night, the muscle is broken to feed the liver/gut etc and other tissues.
How do you then keep out of the post absorptive period and prevent loss of muscle overnight? The secret is to understand the handling of amino acids and protein by the body. Net muscle protein status called catabolism is determined by equation protein synthesis minus protein breakdown. Protein meals containing at least 20-30 grams of fast digesting protein will prevent catabolism when one is sleeping. Food protein such as eggs, cheese, and quality protein drink minimizes or prevents any catabolism when one is sleeping. These food types are ideal for increased protein synthesis but do nothing to avoid protein breakdown. Milk protein contains about 80% casein and 20% whey. The whey and casein in milk are absorbed separately. Ingestion of milk produces rapid rise of amino acids in an hour in the body.
During the day, the first hour or two after eating is known as the post-prandial period. At this time, the body is digesting and absorbing nutrients. When a person eats and during the post-prandial period, the needs for blood glucose and maintenance needs are met. At the time, the body starts to synthesize glycogen and proteins in the muscle and liver. Then the post-absorptive period sets in. The body starts using the stored nutrients in the body for energy. The liver and muscle start producing and sending amino acids and glucose out to the blood in order to maintain tissue and blood glucose metabolism. Eating frequently in the day sets in a long post-absorptive period. That is why after a fast overnight and long post-absorptive period, muscle protein and muscle carbohydrate will have been depleted. After an overnight fast, muscle protein breakdown exceeds synthesis of muscle protein. What comes out clearly here is that at night, the muscle is broken to feed the liver/gut etc and other tissues.
How do you then keep out of the post absorptive period and prevent loss of muscle overnight? The secret is to understand the handling of amino acids and protein by the body. Net muscle protein status called catabolism is determined by equation protein synthesis minus protein breakdown. Protein meals containing at least 20-30 grams of fast digesting protein will prevent catabolism when one is sleeping. Food protein such as eggs, cheese, and quality protein drink minimizes or prevents any catabolism when one is sleeping. These food types are ideal for increased protein synthesis but do nothing to avoid protein breakdown. Milk protein contains about 80% casein and 20% whey. The whey and casein in milk are absorbed separately. Ingestion of milk produces rapid rise of amino acids in an hour in the body.
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