What is collagen? Collagen is part of the family of so-called "structural" proteins such as elastin and keratin. Thus, it is made up of a chain of amino acids. It contains in particular glycine, proline and alanine. A major component of bones, muscles, or skin ensures the maintenance and cohesion of connective tissues.
If it is produced naturally by the body, it can also be provided through consuming foods rich in collagen or the intake of food supplements.
Collagen is best known for being the "glue" of the body. But it also plays a role in weight gain. Like any protein, it is a nutrient in its own right. It provides calories and energy.
Does collagen make you fat?
It provides about 4 kCal/gram. Generally, a daily intake of 2.5 to 10 g of collagen is recommended, representing a maximum of 40 kCal/day.Caloric intake of collagen is relatively low.
It will be quickly used by the body to strengthen the tissues and stimulate the metabolism and produce energy.
Thus, its caloric intake is relatively low. On condition, however, that the food supplement chosen is without sweeteners and added sugars.
Collagen does not make you fat. Nevertheless, it can accompany a high protein diet and help healthily gain weight.
How does Collagen contribute to healthy weight gain?
It reduces fat mass
As this study shows, collagen supplementation helps burn fat.Thus, the consumption of collagen peptides reduced body fat in overweight adults.
Collagen is therefore interesting for supporting weight gain while promoting fat mass reduction.
Collagen supports muscle mass.
In addition to acting as a fat burner, it supports so-called "lean" muscle mass. Therefore, in the context of weight gain, it allows you to gain muscle and not fat.Type 3 collagen, present in the muscles, participates particularly in muscle building and regeneration. As this study shows, it increases strength and lean body mass.
It, therefore, helps to reduce fat mass while preserving the integrity of the muscles. This is why athletes often consume it.
Collagen reduce cellulite and stretch marks.
Weight loss or weight gain can be accompanied by cellulite and/or stretch marks, especially rapid. In this case, the skin cells are altered: they lose cohesion, resistance and elasticity.Collagen helps the skin regain its elasticity.
Taking collagen orally or applying creams externally improves the appearance of the skin.
In this study, collagen peptides reduced cellulite. They also reduced the "orange peel" appearance, which forms ripples on the skin's surface, especially on the thighs.
At the same time, collagen improves skin density, contributes to firmer skin, provides suppleness and elasticity.
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