Methionine is the least abundant of all amino acids. Despite this verity, methionine is essential, and is an important chelating agent that assists in both metabolic and growth processes. Along with cysteine and cystine, methionine is also a sulfur-containing amino acid. Cysteine and methionine are the only sulfur-containing amino acids readily coded for by DNA.

Methionine (along with choline and inositol) is included in a group of compounds referred to as lipotropics. Lipotropic literally means “fat loving”, and these specialized compounds aid the liver in processing fats by increasing the production of lecithin. Choline and methionine work in union to detoxify the body of amines resulting from protein synthesis, and protecting the liver from damage that is the result of fat accumulation. Methionine serves as a catalyst for choline and inositol functioning. It actively participates in the formation of D-glucose, the primary energy source of living organisms, as well.

In addition to the aforementioned roles, methionine in included in a number of biochemical reactions. Methionine is an integral element in the production of L-cysteine, glutathione, taurine, sulfate, and perhaps most notably, S-adenosylmethionine (SAMe). The varying forms of methionine include:

  • L-methionine
  • Ademethionine
  • S-Adensyl-L-methionine

Products Containing Methionine
Name Price Rating Serving Price # of Servings Manufacturer Health Condition
Casein Protein $25.99
$0.96 27 Optimum Nutrition
Genuine Brewers Yeast $6.90
$0.22 32 Twinlab
Joint Rescue $22.85
$0.25 90 Ark Naturals
Lean Body Chocolate Peanut Butter $48.95
$2.45 20 Labrada
Lean Body Mass $26.24
$2.92 9 Labrada
Myoplex Deluxe $99.99
$2.78 36 EAS
Nisim $13.80
$0.00 0 Nisim Hair Loss
Pro Blend 55 $31.49
$2.42 13 Wellement
ProV60 $29.81
$1.49 20 Labrada
Superior Amino 2222 $17.99
$0.12 150 Optimum Nutrition
Whey Gourmet $27.95
$0.93 30 PVL
Whey Matrix $26.00
$0.37 71 ISS


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