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Women under high oxidative stress from chronic inflammation, environmental toxin exposure, high CYP1B1-driven reactive metabolism, or nutritional deficiency face lower GSH availability precisely when glutathione conjugation demand is highest

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Clin Neurol Neurosurg 2013

Over days and weeks, these micro-stresses accumulate and can reduce potency faster than the BUD suggests

Two small randomized, double-blind, placebo-controlled study found that once-daily oral L-histidine consumption for 4 to 12 weeks improved eczema scores (SCORAD) by ~34-39% in adults in 4 weeks and 49% in kids in 12 weeks, while placebo did not