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How Phenylalanine helps with weight loss

By November 19, 2017 April 11th, 2019 No Comments

Amino acids are the building blocks of the human body. They have several biochemical functions, such as suppressing appetite and giving out signals for hunger. All of them release chemicals that send information to the brain in respect of body functions. One of these amino acids is L-Phenylalanine, whose active ingredient works where weight loss is required.

The “L” that precedes this amino acid proves that Phenylalanine is in its free form. This means that this amino acid isn’t linked to any other amino acid.

How does it work?

L-Phenylalanine works in matters of weight loss much more than any other amino acid. It stimulates the release of a chemical that sets off hunger signals to the brain. It does the same also with your stomach after you have just finished a meal. Simultaneously, this amino acid acts as a potent appetite suppressant. L-Phenylalanine works like a complete appetite suppressant and enhances metabolism in a way that artificial suppressants work.

Importance of L-Phenylalanine:

With the help of L-Phenylalanine, the brain can produce certain vital chemicals that we know as neurotransmitters. They keep the brain’s functioning optimal and impact the individual’s response to memory and hunger, while also reducing his symptoms of Parkinson’s disease, ADHD and pre-menstrual symptoms. They also bring relief to chronic pain and manage alcohol withdrawal, while also treating skin problems like Vitiligo.

L-Phenylalanine and Dopamine:

This amino acid is basic to produce the amino acid, tyrosine. When synthesised with dopamine, the neurotransmitter tyrosine is released when one is in a happy situation like enjoying a meal. According to studies, there is a definite link between dopamine and obesity.

The body records a surge in dopamine when one overeats or binges on fattening foods. Once this activity ceases by the individual going on a diet, the level of dopamine falls and this stimulates the appetite and causes weight gain. A high dopamine level could cause weight loss.


Though weight loss is the big benefit people can draw from amino acid, it is not the only one it offers. Among its other benefits, L-Phenylalanine successfully treats severe pain, vitiligo, Parkinson’s disease, osteoarthritis, rheumatoid arthritis, low back pain and depression. Besides, it is entirely natural, which negates the possibility of any side effects, when taken as a supplement.

How to increase L-Phenylalanine intake:

To increase one’s intake of L-phenylalanine for weight loss, one should eat mainly protein-abundant foods like legumes, beans, lean meat, poultry, non-fat dairy, etc. For natural sources of this amino acid, one can choose from pork, chicken, yellowtail fish, roasted sunflower seed kernels, etc. However, this is not all. It is also important to check one’s calorie count while adding these foods to one’s regular diet. This will make weight loss possible.

To conclude

At the heart of using amino acids to lose weight are good nutrition and a proper diet. One should have a diet rich in proteins, where 1/3 the number of calories come from proteins, has the required amount of amino acids that make appetite suppression possible and therefore lead to weight loss.