The next peptide in this category, peptides for vitality and libido, is Kispeptin
MCT1 is a low affinity, high capacity transporter that has been shown to transport unbranched aliphatic monocarboxylates such as acetate and proprionate and substituted monocarboxylates pyruvate, lactate, acetoacetate and -hydroxybutyrate, with the m values for pyruvate and lactate about 0.7 and 3-5 mM, respectively (Halestrap and Meredith 2004)
Leyden JJ, Stephens TJ, Finkey MB, Appa Y, Barkovic S
The goal is to keep it consistently cold without freezing, warming, or cycling repeatedly between room temperature and refrigeration
Eu J Pharmacol 2007