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Quick Answer: Normal to heightened GSH production in the body will keep your cells operating efficiently, thereby reducing the number of cell mutations that would occur otherwise

How to Build Your Glutathione Routine Starting a new supplement shouldn't feel like a chore

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A 1987 study on mice determined oral glutathione to be nontoxic,27 and a 2017 toxicity study (also on mice) found that glutathione's LD (the amount of a substance needed to kill 50% of all test animals in one dose) was 5g/kg.6 An equivalent toxic dose for an 80kg human would be 32.5g, which is more than 32 times the highest amounts used in clinical studies

Exploring the Safety and Efficacy of Glutathione Mitchell, M., et al