Many research peptides are supplied in a lyophilized or freeze-dried format to support stability during storage and transportation
Okuma, E
Jaimovi, S., Popovi-Djordjevi, J., Sari, B., Krsti, A., Mickovski-Stefanovi, V., & Panteli, N
The practical implication is that secretagogues work within the body's own feedback loops
Plain glutathione delivered to the plasma by precursors, liposomal products or intravenously must be broken down by enzymes to the basic amino acid components for absorption into the cell and require more energy expenditure to be re-constructed back to rGSH
Several authors state that glutathione has a bleaching effect on the skin, and may be effective in the treatment of hyperpigmentation and skin discoloration