Definition of Methionine:

Essential amino acid.  Dietary source of sulfur and methyl groups.  Important for proper growth in infants, nitrogen balance in adults, healthy nails and skin and the synthesis of taurine, cysteine, phosphatidylcholine (lecithin), bile, carnitine and endorphins.  It is an antioxidant nutrient and lipotropic agent which promotes the physiological utilization of fat.

Topics Related to Methionine

Acetyl-L-Carnitine a treatment
“...It is also similar to some B-complex vitamins in that it can be produced by a liver process combining two essential amino acids, Lysine and Methionine.  Carnitine is unique in that it is recognized both as a vitamin and also as an amino acid...”

Copper Toxicity

...recommendation Methionine
Methionine is a useful treatment for copper poisoning and for lowering serum copper.”
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More topics Related to Methionine

Cysteine / N-Acetylcysteine (NAC) a treatment
“...Cysteine, also known as beta-mercaptoalanine, and the amino acid methionine are the two sulfur-containing amino acids...”


...recommendation Amino Acid Profile
“...Methionine is the precursor of SAMe which is needed for proper functioning of catecholamines and may be low in patients with depression...”

Estrogen-balancing Medications a treatment
“...Choline, inositol, and methionine, vitamin C and bioflavonoids have been used to assist in preventing and stopping bleeding from fibroids...”

Folic Acid a treatment
“...Folic Acid is a key component in the enzymatic conversion of homocysteine to methionine.  Homocysteine is now considered an independent risk factor for vascular disease, especially atherosclerosis...”

Folic Acid Deficiency

...the condition
“...With B12, it assists in many amino acid conversions, such as the methylation of methionine, serine, histidine, and even the B vitamin choline...”

Gilbert's Syndrome

...recommendation Methionine
Methionine, administered as SAM, resulted in a significant decreases in serum bilirubin in patients with Gilbert's syndrome in a recent clinical study...”
...recommendation TMG (Trimethylglycine)
Methionine, administered as SAM, resulted in a significant decreases in serum bilirubin in patients with Gilbert's syndrome in a recent clinical study...”

Histadelia (Histamine High)

...recommendation Methionine
Methionine supplements lower blood levels of histamine by increasing histamine breakdown.”


...the condition
“...This will be specifically tailored to reduce the amounts of methionine released in the body...”

Liver Detoxification Phase II Support a treatment
“...The lipotropic agents, choline, betaine, methionine, vitamin B6, folic acid, and vitamin B12, are useful as they promote the flow of fat and bile to and from the liver...”

L-Taurine a treatment
“Taurine is a non-essential amino acid, synthesized in the body from methionine and cysteine...”
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More topics Related to Methionine

Methionine a treatment
Methionine is one of the essential amino acids, and as such is not synthesized by the human body...”

Pregnancy-Related Issues

...recommendation Folic Acid
“...Scientists currently theorize that women who give birth to babies with neural tube defects are less able to convert homocysteine to methionine, and that high levels of homocysteine may cause birth defects...”
...recommendation Vitamin B-Complex
“...These preventive measures are supported by studies that suggest a connection between recurring miscarriages and problems metabolizing methionine and homocysteine in the body...”

Progesterone Low or Estrogen Dominance

...recommendation TMG (Trimethylglycine)
“TMG converts to S-adenosyl methionine (SAMe, an activated form of methionine) in the body...”

S-Adenosylmethionine (SAMe) a treatment
“...SAMe is an important physiological agent formed in the body by combining the essential amino acid methionine with adenosyl-triphosphate (ATP)...”

Sulfur Requirement

...the condition
“...Most of the body's sulfur is found in the sulfur-containing amino acids methionine, cystine, and cysteine...”

Susceptibility To Miscarriages

...recommendation CoQ10 (Ubiquinone)
“...Similar to methionine and homocysteine normalization, the production of coenzyme Q10 in the body also depends on folic acid, vitamin B12, and betaine.”

Tendency Toward Postpartum Depression

...the condition
“...TMG or SAMe may be superior to methionine for the treatment of depression...”

TMG (Trimethylglycine) a treatment
“...Homocysteine is a toxic end product of the metabolism (methylation) of methionine (an essential amino acid) and is now known to be a leading cause of heart and artery disease...”

Vitamin B12 (Cobalamine) a treatment
“...It also transfers a methyl group from methylfolate, helping to convert homocysteine to methionine.  Because plants have no appreciable amounts of B12, vegetarians are often at risk of slowly developing vitamin B12 deficiency...”

Vitamin B12 Requirement

...our question about Vegetarian, vegan or raw-food diet
“...In addition, people consuming vegan and vegetarian diets were in general also not getting adequate amounts of the essential amino acid methionine, due to the lower methionine content in plant proteins versus animal proteins...”
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