Role Of Dietary Protein And Thiamine Intakes On... May 2026

Thiamine acts as an antioxidant and essential regulator , supporting DNA repair and reducing oxidative stress in cells.

Thiamine (as thiamine pyrophosphate) is a mandatory cofactor for enzymes that metabolize glucose, lipids, and branched-chain amino acids (from protein). Physical Performance: High protein intake (

💡 Because thiamine is essential for processing the energy from macronutrients, a high-protein or high-carbohydrate diet automatically increases your body's requirement for thiamine . Role of dietary protein and thiamine intakes on...

There is currently weak evidence linking higher protein or thiamine intake directly to better cognitive performance in healthy older adults.

Adequate intake of these nutrients is likely a marker for "good overall nutritional status," which collectively supports cognitive health rather than the nutrients acting in isolation. Metabolic & Cellular Roles Thiamine acts as an antioxidant and essential regulator

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) is associated with better lower-limb physical performance and lean body mass in older adults. There is currently weak evidence linking higher protein

While some cross-sectional studies suggested better cognition with higher thiamine, the overall data remains inconclusive due to a lack of experimental trials.