Nasal congestion, rhinitis and flushing have also been reported occasionally along with mild abdominal cramps
Taylor 2011)
According to the subcellular localization of GSH1, the GSH synthesis initiates in the plastids, but the predominant transcript, especially in the case of multiple GSH2 transcript populations, encodes a cytosolic GSH2, suggesting the second step occurs in the cytosol (Noctor et al., 2012)
For instance, Vitamin A protects your eyes, Vitamin C helps battle high blood pressure and Vitamin D maintains bone health
What the animal studies cannot tell us includes optimal human dosing, population-specific responses (elderly, children, pregnancy), long-term safety in humans, rare side effects that require large sample sizes to detect, and interactions with medications or medical conditions