Title {1}	Study Protocol for an Open Labelled Randomised Controlled Trial of Perioperative Oral Nutrition Supplement in Breast and Colorectal Cancer Patients Undergoing Elective Surgery
Trial registration {2a and 2b}.	ClinicalTrial.gov with the identifier: NCT04400552. Registered on 28 April 2020. Refer to the supplementary table of the items in the WHO trial registration data set.
Protocol version {3}	28th May 2018. Protocol version 1.
Funding {4}	Industrial sponsored providing research grant and intervention products.
Author details {5a}	Wong TX1, Chen ST1, Ong SH1, Shyam S1, Kandasami P2, & Chee WSS1 1Division of Nutrition & Dietetics, School of Health Sciences, International Medical University, 50700 Bukit Jalil, Kuala Lumpur, Malaysia 2Department of Surgery, School of Medicine, International Medical University, Jalan Rasah, 70300 Seremban, Negeri Sembilan, Malaysia Chee WSS, Kandasami, CST, SGS and OSH involved in design and conceptualisation of this study. WTX drafted and revised the manuscript of the protocol. Chee WSS, Kandasami, CST, SGS and OSH critically reviewed and edited the draft. WTX involved in data collection and all authors participated in data analysis and interpretation. All authors read and approved the final manuscript. Chee WSS has primary responsibility for the final content.
Name and contact information for the trial sponsor {5b}	Kotra Pharma (M) Sdn Bhd [198201010358 (90082-V)] 1, 2 & 3, Jalan TTC 12, Cheng Industrial Estate, 75250 Melaka. +606 - 336 2222
Role of sponsor {5c}	The funding body has no role in the design of the study, the collection, analysis, and interpretation of data, or in the writing of manuscripts.