This might interest you about taurine.
Sources: animal protein, not in vegetable protein - that's why vegans are low in this amino acid. found particularly in organ meats (brain) (yummy not!) and in invertebrate seafood.
Deficiency may cause or be associated with choleastasis, cows milk allergy, epilepsy, gallbladder disease, heart disease, high blood cholesterol, inflammation, lethargy, sleep disturbances, skeletal muscle damage.
Factors increasing demand: alcohol, cortisone, epilepsy, essential hypertension, fluoride exposuire, infants(formula fed), Msg intake, nursing mothers, oral contraceptives(estradiol), protein malabsorption, soy milk fed infants, stress, vegetarianism, weight loss programs.
No toxic levels known. However may aggrtavaate individuals with stomach ulcers, gastric upsets, loose motions.
Synergistic nutrients: Vit.A,B5,B6,cysteine, manganesse, methionine, serine, tryptophan, zinc.
Drug interactions: alcohol, herb diuretics, morphine.
There's the run down on taurine - I use it most days in a good synergistic formula found in a powder - just add water and drink.....