Collagen is a type of protein. Fibrous in nature, it connects and supports other bodily tissues, such as skin, bone, tendons, muscles, and cartilage. It also supports the internal organs and is even present in teeth.
A hard-boiled egg has 78 calories; an omelet has 94 calories Weight watchers can have at least 1 egg a day Diabetics can have just egg whites or 2 whole eggs a week
So how many calories in a hard boiled egg? As you can see from the table, there are about 1.5 calories per gram of hard boiled egg. A large hard-boiled egg for example has approximately 74 calories in it (give or take a few calories). These calories come from a combination of the calories in the egg yolk and the calories in the egg white. The egg yolk contains most of the calories however, and the egg white contains the majority of the protein. Approximately 70% of the calories in a hard boiled egg comes from the egg yolk.