best sublingual liposomal glutathione Liposomal Glutathione, Superior Absorption, Liquid
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Lancet 353 , 814 (1999)

Shriram, V

However, as a brand name drug without a generic alternative available, it may be more expensive than other weight loss drugs and a cost burden for people without insurance coverage

the original rodent study used 5 mg/kg, which when scaled allometrically to human equivalents suggests doses in the 5-10 mg range for a 70 kg adult, though allometric scaling from mice to humans is an imprecise science
