This invention conservation the patient chemotherapy and/or combining radiotherapy, it regards the manner which at the same time raises the sensitivity of the cancer cell. From as for details, as for this invention, without causing the chronic weight decrease of the patient, you suppress the breeding of the cancer, the normal cell, chemotherapy and/or conservation system and the internal organs from radiotherapy, at the same time low dosage, you can raise the sensitivity of the cancer cell usually for the chemotherapy of dosage and high dosage, dietetics manner and prescription are offered. In addition as for several of those manners, growth of the cancer is obstructed with even when chemotherapy is not done.< Choice figure >Drawing 51本発明は、化学療法および/または放射線療法を組み合わせて、患者を保護し、かつ癌細胞の感受性を高める方法に関する。より詳しくは、本発明は、患者の慢性的な体重減少を引き起こさずに癌の増殖を抑制し、正常な細胞、組織および臓器を化学療法および/または放射線療法から保護し、かつ低用量、通常用量、高用量の化学療法に対する癌細胞の感受性を高めることができる、栄養学的方法および処方を提供する。それらの方法のいくつかはまた、化学療法を行わない場合でさえも癌の成長を妨げる。【選択図】図51