Amino acids have recently been the subject of extensive research, paving the way for their judicious use in the treatment and cure of a wide range of ailments. For decades, they were referred to as “the nutrients of the 1980s” and “medical food.”

Essential and non-essential amino acids, their symptoms of deficiency, and their therapeutic applications are all covered in the following sections:


Tryptophan is the most studied of all the essential amino acids by nutritionists. In order for the blood to clot, digestive juices to work, and the eye to see, this nutrient is necessary. It helps you fall asleep and relaxes your body and mind. It prevents early signs of aging, such as cataracts, baldness, sex gland deterioration, and tooth enamel malformation. The female reproductive organs and the body’s proper use of vitamin A both require it.

Nuts and most vegetables are major sources of this amino acid. Symptoms of low tryptophan are similar to those of low vitamin A levels.

Researchers believe that it is safe and effective as a food supplement for insomnia and pain. People with mild insomnia and trouble falling asleep benefit most from taking tryptophan at doses of one gram or higher in studies conducted under controlled conditions. As a natural painkiller, tryptophan could be an option. Temple University researchers in Philadelphia found it to be effective while causing none of the negative side effects commonly associated with other types of anesthesia and analgesia.

A food medicine such as tryptophan should be taken with a low-protein food, such as fruit juice or bread, in between each meal. A daily intake of one to three grams appears to be the preferred choice for the majority of researchers.


Sulphur-bearing compound that aids in the breakdown of cholesterol and the absorption of fat. Hemoglobin and pancreas, lymph and spleen all use it. Maintaining a healthy weight and a proper nitrogen balance in the body are both aided by regular exercise. There are many nuts that contain a lot of methionine, including Brazil nuts, Hazal nuts, and other varieties. Additionally, it can be found in broccoli, cauliflower, pineapples, and apples, as well as in Brussel sprouts, cabbage, and cauliflower. It can cause chronic rheumatic fever in children, liver hardening (cirrhosis), and kidney disease in those who are deficient. Methionine and chorine have been shown in studies to inhibit tumor growth and proliferation.


Viruses are inhibited by lysine. Anti-viral properties can be achieved by combining it with vitamin C, zinc, and vitamin A. When combined with vitamin C, lysine and vitamin C have a more powerful anti-virus effect than either of them alone. Women’s reproductive cycles are also influenced by lysine. Lysine deficiency can cause headaches, dizziness, nausea, and even anemia in the early stages. Most types of nuts, seeds, vegetables, and sub-acid fruits are good sources of this amino acid. Pneumonia, nephrosis, acidosis, malnutrition, and rickets in children have all been linked to lysine imbalances in the body.

Colds, sores, shingles, and genital herpes can all be treated with it. Over 1,500 people who consumed more than 900 mg of lysine per day were surveyed in a study published in 1983. Many reported that taking lysine seemed to lessen the severity of herpes and speed up the healing process. Some scientists, however, have disputed these findings.


Valine is a critical growth factor for the female reproductive system, especially the mammary and ovaries. The nervous system is directly connected to the valine. Preventing nervous system and digestive system problems is impossible without it. Almonds, apples, and the majority of vegetables are major dietary sources. Lack of this amino acid causes people to be more sensitive to sound and touch.


In order to maintain a healthy nitrogen balance, this amino acid is critical. Thymus, spleen, and pituitary gland metabolism are all influenced by this hormone. All nuts, except cashews, avacados, and olives, are rich sources.


Unlike isoleucine, it shares the same chemical structure but is arranged differently. Also, it has the same functions and sources.


Adrenaline production, thyroid secretion, and the production of the hair and skin pigment melanin are all dependent on this. Thyroid-stimulating properties are what make it an effective weight-loss tool. It significantly reduces hunger when taken before meals. Weight loss can be achieved by consuming half a teaspoon of the powder 30 minutes prior to each meal. Kidney and bladder function better when it’s working properly. Cruciferous vegetables and fruits such as carrots and tomatoes are important sources of iron and zinc. Phenylalanine’s ability to stimulate adrenaline has recently been discovered to be an important therapeutic use of the amino acid.


As a major component of cow’s milk, this amino acid can be found in a wide range of other types of milk, as well. In addition, carrots and green vegetables are good sources of vitamin C. A child’s brain will malfunction if he or she does not get enough threonine during development. Amino acid has a powerful anti-convulsive effect.


Growth and repair of tissues are aided by this. It contributes to a healthy blood supply when it is active. Glycogen synthesis in the liver is dependent on it as well. Root vegetables, as well as all green vegetables, contain it. The free form of histidine in the blood is low in people with rheumatoid arthritis, according to studies, and if taken orally, it may reduce the symptoms of this disease. Pure histidine, on the other hand, tends to stimulate the stomach’s hydrochloric acid secretion, so it should be avoided by those who are sensitive to excess acid or who have ulcers. Histidine deficiency is a leading cause of joint and orthopedic pain.


Because it is found in 80 percent of male reproductive cells, this amino acid is known as the “fatherhood” amino acid. In order to maintain a healthy weight, one must consume it regularly. Impotence can result from a severe deficiency in this amino acid. Green and root vegetables, in particular, contain large amounts of it.


It boosts the activity of white blood cells, which is how it provides resistance. It’s an essential building block of protein. It’s an important nutrient for good health because it’s necessary for healthy skin development and aids in the recovery process after surgery. Carolene, a growth aid for hair, is produced as a result of this process. Skin diseases, low white blood cell counts, and some forms of anaemia are among the conditions for which it is prescribed.


This amino acid has been dubbed an anti-stressor. Added tyrosine, according to Dr. Richard Wurtman, who recently conducted research into the amino acid’s therapeutic potential in people with chronic stress.

Depression, nervousness, irritability, and despondency can all be helped with tyrosine. For depression management and control, this amino acid has been found to be effective in conjunction with glutamine, tryptophan, niacin, and vitamin B6. Allergies and high blood pressure can both be helped with this remedy.

Dr. Wurtman considers 100 mg per kilogram of body weight per day an optional dose, even though individual nee may vary. For a 120-pound person, this works out to 5.4 grams of tyrosine per day. Each day, three doses of the supplement can be taken.

The essential amino acid valine, which may interfere with tyrosine’s ability to enter the brain, should not be taken along with tyrosine.


The “sobriety nutrient,” a non-essential amino acid. It’s thought to be helpful in the fight against alcoholism. Recovering alcoholics, according to Roger J. Williams, a world-renowned nutritionist, are less likely to succumb to the temptation to drink because of glutamine.


As a nutritional supplement, cysteine (not to be confused with cystine) appears to have some therapeutic value. In treating his obese patients, Dr. H. Ghadimi, chairman of the nutrition committee at Nassau Country Medical Center in New York, uses cysteine supplements. He believes there is a link between insulin overproduction and obesity, and that taking cysteine and vitamin C supplements at the end of meals can help to offset some of the insulin excess that contributes to fat storage. Cysteine, he says, is like vitamin C in that it protects the body from oxidative damage, which is what makes it “anti-cancer and anti-aging.”

Low blood pressure, anemia, poor muscle tone, slow healing of wounds, loss of weight, poor resistance to infections, and bloodshot eyes are all symptoms of a deficiency in one or more of the essential amino acids.

Deficiencies in amino acids can lead to stunted growth and long-term damage to the glands in children. On the other hand, those who eat a diet rich in amino acids will enjoy a long and healthy life. Almonds, cheese, and eggs are the only three food sources of complete protein that contain all nine essential amino acids.

Many diseases, including stomach ulcers, burns, kidney disease, and liver disease, can be treated with amino acids. Elderly people who consume adequate amounts of amino acids, vitamins, and minerals have been shown to have a lower risk of developing degenerative diseases associated with aging. From infancy to old age, amino acids are required to repair and create new tissues.


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