Jonas Wittwer

Relationship between Serum and Brain Carotenoids,<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mrow><mml:mi mathvariant="bold-italic">α</mml:mi></mml:mrow></mml:math>-Tocopherol, and Retinol Concentrations and Cognitive Performance in the Oldest Old from the Georgia Centenarian Study

Elizabeth J. Johnson, Rohini Vishwanathan, Mary Ann Johnson et al. · Journal of Aging Research · 2013 · 249 citations · Full text

Nutrition, Aging, Brain Carotenoids +16

A Double-Blind, Placebo-Controlled Study on the Effects of Lutein and Zeaxanthin on Photostress Recovery, Glare Disability, and Chromatic Contrast

Billy R. Hammond, Laura M. Fletcher, Francis De Roos et al. · Investigative Ophthalmology & Visual Science · 2014 · 119 citations

Chronic treatment with a tryptophan-rich protein hydrolysate improves emotional processing, mental energy levels and reaction time in middle-aged women

M. Hasan Mohajeri, Jonas Wittwer, K. Vargas et al. · British Journal Of Nutrition · 2015 · 73 citations · Full text

Dose–response effects of supplementation with calcifediol on serum 25-hydroxyvitamin D status and its metabolites: A randomized controlled trial in older adults

Anouk M.M. Vaes, Michael Tieland, Margot F. de Regt et al. · Clinical Nutrition · 2017 · 72 citations

Nutrition, Nutrient Bioavailability, Health Sciences +10

Functional polymorphism in<i>ALOX15</i>results in increased allele-specific transcription in macrophages through binding of the transcription factor SPI1

Jonas Wittwer, Jacqueline Marti-Jaun, Martin Hersberger · Human Mutation · 2005 · 49 citations

Genetics, Transcription Factor Spi1, Immunology +21