Abstract: An enteral food composition for clinical or dietary use, comprises, in addition to carbohydrates and proteins or their hydrolysates the following components or their nutritional equivalents, per daily dosage: methionine (0.6-7 g), cysteine (0.5-2.5 g), folic acid (0.4-8 mg), pyridoxal (vitamin B 6) (3-20 mg), zinc (18-120 mg) and at least 400 kcal energy in the form of carbohydrates. These amounts are well above the Recommended Daily Allowance (RDA) values. Further preferred components include lecithin, cvanocobalamine, betaine and magnesium, as well as transsulfuration metabolites, ATP enhancers and antioxidants.

Abstract: The invention relates to products characterized by the general formula: ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R and X have the meanings indicated in claim 1. The invention also related to pharmaceutical compositions administrable particularly orally, containing the abovesaid compounds in association with a pharmaceutically acceptable vehicle. They are useful as medicaments.