The present invention addresses the problem of providing an evaluation method or the like which is capable of providing highly reliable information which helps one to know the condition of mild cognitive impairment or Alzheimer's disease. An embodiment of the present invention evaluates the condition of mild cognitive impairment or Alzheimer's disease in a subject to be evaluated, by using one or more of the following concentrations in the blood of a subject to be evaluated: α-ABA, Ala, Arg, Asn, Cit, Gln, Glu, Gly, His, Ile, Leu, Lys, Met, Orn, Phe, Pro, Ser, Thr, Trp, Tyr, Val, Cysteine, Taurine, GABA, Hypotaurine, S-Adenosyl homocysiteine, Sarcosine, Serotonin, Spermidine, hCit, 3-hKyn, aAiBA, N8-Acetylspermidine, Phosphoserine, bABA, ADMA and Thioproline.
METHOD FOR EVALUATING MILD COGNITIVE IMPAIRMENT OR ALZHEIMER'S TYPE DEMENTIA