Amino acid: organic compound containing nitrogen, carbon, hydrogen and oxygen. It is the basic unit of proteins.
Essential amino acids: these are the building blocks of proteins. They are 8 in number and must be provided every day through food because the body cannot manufacture them.
WHAT ARE THEY FOR ?
1/The protein in the form of amino acids
The protein are large molecules made up of 20 amino acids. They ensure the growth and maintenance of our body and more particularly bones, muscles, skin, hair, nails and blood. Naturally present in our body, we must also draw them from our diet because they contain the essential amino acids that we cannot manufacture ourselves. Proteins serve as enzymes, antibodies and hormones, which is why many athletes have a protein-rich diet. We find them in fish, eggs, meat, cereals, legumes, algae, soybeans, oilseeds.
2/The main amino acids
Their appearance is similar to a sometimes crystallized white powder. Amino acids are generally water soluble. Among the 20 amino acids that make up proteins, 8 of them are considered essential because they cannot be produced by the body and must therefore be provided by food. In order for protein synthesis to be complete, they must contain simultaneously during the same meal and in good proportion the 8 essential amino acids. If one of these amino acids is absent or very little present, then protein synthesis will be affected. Complete proteins are those that contain all 8 essential amino acids. They are found in eggs (94% complete protein), cow’s milk (82%), fish (80%), cheese (70%), soybeans (65%) but also in wheat germ , whole grains, pollen. Incomplete proteins are present in most plants. It is by combining complete and incomplete proteins that we can optimize the supply of essential amino acids.
3/The 8 essential amino acids
Isoleucine represents less than 4% of the amino acids of proteins in our body. Properties: improves muscle coordination and tissue repair, normalizes nitrogen levels in muscles, lowers blood sugar levels (improves blood sugar), fights hypoglycemic manifestations, increases resistance to physical exertion, promotes muscle metabolism.
Properties: lowers blood sugar levels. Helps regenerate and repair muscle tissue. Regulates the level of nitrogen in the muscles, increases resistance to physical effort It is found in milk, maize.
lysine represents about 8% of the amino acids of proteins in our body. Properties: It participates in the formation of antibodies and the regeneration of damaged tissues. Stimulates the immune and endocrine system, prevents rashes. Helps fight against lack of energy and appetite. Helps with the problem of stunting in children. Facilitates the formation of collagen. It is found in fish, meat, eggs, cheeses.
It plays a specific role in the protein biosynthesis initiation complex. Properties: it participates like cysteine and glycine in the synthesis of an enzyme, glutathione, a powerful antioxidant that neutralizes free radicals and prevents aging. It also has an important role in maintaining the fluidity of the cell membrane. Methionine promotes the fight against depression, behavioral disorders, hypertension, kidney problems. Aid in the elimination of heavy metals Helps balance the diet of vegetarians. It is found in meats, dairy products, eggs.
Phenylalanine is an aromatic amino acid. Phenylalanine represents about 4% of the amino acids in our body. It is a natural antidepressant, it is indeed transformed by the body into dopamine, norepinephrine and adrenaline which are essential molecules in many nervous transmissions. Properties: Phenylalanine fights depression, improves memory, helps detox from alcohol and drugs. It is found in bread, eggs, meat, cheeses.
Threonine represents about 4% of the amino acids of proteins in our body. Properties: helps in the formation of elastin and collagen. Participates in the growth of cartilage and ligaments. Participates in the protein balance of the body, in the functioning of the central nervous system. It is found in eggs.
Tryptophan represents approximately 1% of the amino acids of proteins in our body. Properties: Tryptophan is transformed by the body into serotonin and acts as an antidepressant, anxiolytic. It fights addiction to alcohol and drugs in general. It is the rarest of the 20 amino acids in the primary sequence of our proteins. It increases pain tolerance, relieves migraine and dental pain. It is found in eggs, coconut, dairy products.
Valine represents about 5% of the amino acids of proteins in our body. Properties: it is a natural stimulant. It improves resistance to physical exertion, improves blood sugar. Participates in the regeneration and repair of muscle tissue. It is found in milk, eggs.
4/The 12 other known amino acids
It’s a neuromediator. It increases resistance to fatigue, improves endurance, detoxifies the body. It is also used for drug addiction.
It increases our production of glutathione which has the effect of slowing down the manifestations of senescence attributable to free radicals. He struggles with alcohol and drug addiction. It can participate in the treatment of impotence.
Alanine represents approximately 6% of the amino acids of proteins in our body. Properties: promotes the immune system, strengthens muscle tissue and connective tissue, strengthens the central nervous system, gives tone to the whole body. It is found in corn, offal (triperie).
Arginine represents about 7% of the amino acids in our body. It stimulates the secretion of growth hormone which helps strengthen the immune system, accelerates healing, allows the metabolism of fats which has the effect of toning the muscles. It promotes protein synthesis in the muscles, lowers the level of urea in the blood, stimulates insulin secretion. It is found in nuts, hazelnuts, rice.
Asparagine represents approximately 3% of the amino acids of proteins in our body. It is used to maintain the balance of the central nervous system.
Cysteine represents approximately 1% of the amino acids of proteins in our body. It participates in the synthesis of an enzyme, glutathione, a powerful antioxidant that neutralizes free radicals. It has an anti-aging power. Cysteine is a component of hair. A cysteine deficiency can accelerate the development of male pattern baldness. It also promotes fat metabolism in muscle. It is found in eggs, meat, dairy products.
Glutamine makes up about 9% of the amino acids in our body. Glutamine is also the most abundant free amino acid circulating in the blood. Properties: it promotes the immune system, improves intellectual faculties. It is used in alcohol withdrawal, for arthritis and ulcer problems.
It strengthens the central nervous system. Ensures healthy skin, bones, tendons. Increases glutathione production which slows down the damaging effects of free radicals. Strengthens the immune system.
Histidine represents approximately 3% of the amino acids of proteins in our body. It is found in meat, offal.
Proline represents about 4% of the amino acids of proteins in our body. Properties: it strengthens the heart muscle, improves the health of muscles and tendons, bones and skin. It is found in gelatin, bread, milk.
Serine represents about 4% of the amino acids of proteins in our body. It strengthens the immune system, participates in the metabolism of fats, the growth of muscle mass. It is found in eggs, milk, rice.
Tyrosine represents about 3% of the amino acids in our body. It is a natural antidepressant and anxiolytic. Like phenylalanine, it is a precursor to dopamine and norepinephrine. It promotes cerebral alertness by combating the effects of stress. It is also used by the thyroid to produce thyroxine, a hormone that controls fat metabolism and tissue growth. It is found in cheese, milk, rice, meat.
Taurine has an action on several levels. It prevents atherosclerosis, stimulates vesicular and hepatic functions. Has a slightly anxiolytic action. It also has a preponderant action on cardiac function and muscular activity. It can reduce deficiency problems in vegetarians
Cystine protects against free radicals by increasing our production of glutathione. It can participate in the treatment of rheumatosoid arthritis and osteoporosis. It promotes fat metabolism.
It strengthens the cardiovascular system. Promotes resistance to physical exertion, stimulates appetite. Improves sexual activity.
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