What’s a collagen diet?

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The collagen diet, popular in Japan, involves consuming collagen-rich foods or supplements to combat aging and induce weight loss. However, medical reports discredit its anti-aging benefits and scientifically backed benefits. Collagen helps with weight loss by increasing metabolism and suppressing appetite. Foods eaten on the diet include noodles, jellies, pig trotters, and shark fins. Supplements often include additional herbal medicines like aloe vera, safflower oil, and lecithin.

The collagen diet, popularized in Japan, is an eating plan designed to maintain youth, energy, and beauty by consuming collagen-rich foods. An alternative form of the diet uses collagen supplements and collagen injections instead of food. Whether through supplements or meals, this diet can induce weight loss, although most participants adopt it primarily to combat aging. Despite popular anecdotes claiming the anti-aging benefits of the collagen diet, medical reports discredit the diet, saying that it cannot stop aging and does not produce scientifically backed benefits.

A type of protein, collagen is loaded with amino acids. These amino acids are building blocks that support the growth of skin, nails, and hair cells. Abundant amounts of collagen can strengthen hair and nails, allowing them to grow longer. For skin, collagen supposedly fills in ridges and lines, creating a plumper appearance that looks wrinkle-free and less aged, according to proponents of the collagen-based diet. Alternative medicine practitioners credit the collagen diet with giving the skin, particularly on the face and neck, a more elastic and supple quality.

Collagen helps with weight loss by supposedly increasing the body’s metabolism to burn more calories. Many on the collagen diet claim that the bland protein gives them more energy for exercise and suppresses their appetite so they eat less. Some people claim to lose about 2 pounds. weekly on this diet.

Foods eaten on the collagen diet include noodles, jellies, and pig trotters. Pig hooves and cow hooves are the main sources of collagen and serve as the base for gelatin, another collagen diet staple. In Japan, a major source of nutritional collagen is nabe, a type of soup that has a gelatinous consistency. Nabe, also often called a “collagen hot pot,” is a mix of vegetables mixed with bits of meat and clear bits of collagen; the vegetables and herbs add flavor to the hot pot since the collagen itself is flavorless and needs to be flavored. Those on the collagen diet also eat chicken skin and shark fins, as both are substantial sources of collagen.

Dieters who rely on supplements usually take collagen with additional herbal medicines like aloe vera, safflower oil, and lecithin. Lecithin is considered a weight loss aid because it supposedly helps loosen and dissolve fat. For that reason, it is a frequent companion to collagen in commercial supplements to help with the collagen weight loss component of the diet.




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