The primary concern is gastrointestinal tolerance, as both compounds can independently cause nausea, and glutathione supplementation has poor oral bioavailability (less than 10% absorption in most formulations)
Now lets take a look at the other highlighted ingredients in this serum
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A ketone ester diet exhibits anxiolytic and cognition-sparing properties, and lessens amyloid and tau pathologies in a mouse model of Alzheimers disease
To establish optimal antioxidant doses, several important factors, such as the immune system status, physical condition, weight, age, and other factors, should be considered
doi:10.3390/ijms26062691 Gatta M, Dovizio M, Milillo C, et al