• Claus Muss, Wilhelm Mosgoeller, and Thomas Endler.
• Internationale Gesellschaft für angewandte Präventionsmedizin I-GAP, Währingerstrasse 63, A-1090 Wien, Austria, Austria.
• Neuroendocrinol Lett. 2015 Jan 1;36(1):31-40.

ObjectivesNeurotoxic metabolites and oxidative and nitrosative stress reactions play a crucial role in the pathways leading to neuronal cell death and neurodegeneration. The bioavailability of the many antioxidant ingredients a vitamin and trace element composition was investigated, to reveal the neuroprotective (preventive) potential of the composition.MethodsWe recruited 159 healthy volunteers, assigned them randomly and double blind to a placebo and verum group. Physicians excluded volunteers with severe chronic diseases or interfeering medications. 142 participants finished the six month trial. Laboratory parameters were determined 1) before participation, and 2) after three and 3) six months. We confirmed the bioavailability of ingredients, and determined metabolic parameters associated with the integrity of the blood brain barrier, mitochondrial deficiency (Q 10), neurodegeneration (homocystein), and antioxidative capacity (e.g. lipidperoxidation), and superoxiddismutase activity.ResultsStarting from baseleine, after three months neuroprotective ingredients increased within their physiological borders, folic acid (p<0.003), pyridoxin (p<0.001), cobalamin (p=0.001), and the fat soluble vitamin tocopherol (p<0.001). In parallel, homocytein decreased after 3 and 6 months (p<0.001, and p<0.025, respectively). Other paramters like zinc reacted slower, significant changes were observed only after 6 months.ConclusionThe observed metabolic changes and alteration of the oxidative status after 3 and six month of regular intake underlines the compositions' potential to ameliorate neurodegenerative processes. We conclude that the subsitution of vitamins and trace-elements with natural source in a proper manner may be effective for neuroprotection in healthy population.

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