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Maria Georgina Herrera, the first author of the study
It is a tripeptide composed of three amino acidscysteine, glycine, and glutamic acid
A 2025 meta-analysis of 16 studies involving 6,098 participants found no statistically significant difference between intramuscular, oral, and sublingual B12 supplementation routes
Complexity also increases with stacking, requiring attention to multiple reconstitution, dosing, and timing variables
Can help defend cells against oxidative damage linked to accelerated aging
It is believed these symptoms occur because the digestive tract does not get enough oxygen due to a lack of red blood cells
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