Personal profile
Research interests
Dr Wallis is an Exercise Scientist with major interests in Nutrition and Metabolism. He studies dietary influences on exercise metabolism, with a particular focus on macronutrients and their roles in performance, training adaptation and health.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 3 Good Health and Well-being
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Collaborations and top research areas from the last five years
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From Metabolism to Medals: Contemporary Perspectives and Revisiting Carbohydrate Guidelines for Fueling Endurance Athletes during Exercise
Morton, J. P., Fell, J. M., Gonzalez, J. T., Hearris, M. A., Podlogar, T., Pugh, J. N. & Wallis, G. A., May 2026, In: Journal of Nutrition. 156, 5, 20 p., 101442.Research output: Contribution to journal › Article › peer-review
Open AccessFile4 Downloads (Pure) -
Muscle Recovery and Myofibrillar Protein Synthesis after Damaging Exercise with Recombinant Bovine β-Lactoglobulin, Dairy-Derived Whey or Carbohydrate Supplementation in Young Healthy Adults
Rogers, L. M., Korzepa, M., Belfield, A. E., Quinlan, J. I., Wallis, G. A. & Breen, L., 5 Jan 2026, (E-pub ahead of print) In: Journal of Nutrition. 101321.Research output: Contribution to journal › Article › peer-review
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Exogenous Glucose Oxidation During Exercise Is Positively Related to Body Size
Ijaz, A., Collins, A. J., Moreno-Cabañas, A., Bradshaw, L., Hutchins, K., Betts, J. A., Podlogar, T., Wallis, G. A. & Gonzalez, J. T., Jan 2025, In: International journal of sport nutrition and exercise metabolism. 35, 1, p. 12-23 12 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile85 Downloads (Pure) -
Immunometabolic profiling of T cells in response to prolonged moderate intensity cycling in humans
Pradana, F., Barlow, J. P., Shayler, J., Dimeloe, S. K., Gudgeon, N., Podlogar, T., Wallis, G. A. & Wadley, A. J., 18 Dec 2025, In: Exercise Immunology Review. 31, p. 67-84 18 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile4 Downloads (Pure) -
Performance Nutrition – an academic journal dedicated to understanding the role of nutrition to support performance throughout the life course
Wallis, G., 9 Apr 2025, In: Performance Nutrition. 1, 1.Research output: Contribution to journal › Editorial
Open AccessFile10 Downloads (Pure)
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Does low-dose galactose improve glucose control?
Wallis, G. (Principal Investigator)
Biotechnology & Biological Sciences Research Council
1/12/25 → 4/01/28
Project: Research Councils
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Resistance and aerobic Exercise and Protein intake in Older adults With obesity during Energy Restriction (REPOWER): A followup study
Wallis, G. (Principal Investigator)
BRITISH SOCIETY FOR RESEARCH AGEING
1/04/25 → 31/10/26
Project: Research
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Investigating muscle weakness in older age
Wallis, G. (Co-Investigator), Breen, L. (Co-Investigator), Jenkinson, N. (Principal Investigator) & Martinez Valdes, E. (Researcher)
1/09/22 → 1/10/26
Project: Research
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BBSRC IAA (2022-26): A novel diagnostic for personalising dietary carbohydrates for exercise
Wallis, G. (Principal Investigator)
Biotechnology & Biological Sciences Research Council
1/05/25 → 1/11/25
Project: Research Councils
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Whey protein dose-response on daily glycemic excursions in older individuals with type 2 diabetes.
Wallis, G. (Principal Investigator)
1/05/24 → 31/03/26
Project: Research
Datasets
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Research data supporting the publication "Post-exercise muscle glycogen synthesis with glucose, galactose and combined galactose-glucose ingestion"
Wallis, G. (Creator), University of Birmingham, 9 Dec 2022
DOI: 10.25500/edata.bham.00000896
Dataset
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Research data supporting the publication Maunder et al, Effects of short-term graded dietary carbohydrate intake on intramuscular and whole-body metabolism during moderate-intensity exercise
Wallis, G. (Creator), University of Birmingham, 16 Feb 2021
DOI: 10.25500/edata.bham.00000609
Dataset
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Research data supporting "Effects of short-term graded dietary carbohydrate intake on intramuscular and whole-body metabolism during moderate-intensity exercise"
Wallis, G. (Creator), University of Birmingham, 22 Sept 2020
DOI: 10.25500/edata.bham.00000549
Dataset
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Physiology 2016
Wallis, G. (Chair)
28 Jul 2016Activity: Academic and Industrial events › Conference, workshop or symposium
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21st annual congress of the European College of Sport Science
Wallis, G. (Invited speaker)
6 Jul 2016Activity: Academic and Industrial events › Conference, workshop or symposium
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The Role of Sugars in Nutrition and Sport
Wallis, G. (Speaker)
28 May 2015Activity: Academic and Industrial events › Guest lecture or Invited talk
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Do endurance athletes need carbohydrate?
Wallis, G. (Speaker)
31 Mar 2015Activity: Academic and Industrial events › Guest lecture or Invited talk