The synthetic peptides more extensively investigated are: thymosin a,, (28 aa), thymopentin (5 aa), thymulin (9 aa), whose activity is strictly dependent on the presence of zinc, and thymic humoral factor (THF)-y2 (8 aa)
Causes of Compromised Immunity: Chronic stress, poor gut health (where 70% of your immune system resides), nutrient deficiencies, and lack of sleep
Here's how it compares to the alternatives: When Lifestyle Changes Are Enough If your testosterone is in the 350-500 ng/dL range and you have correctable lifestyle factors (poor sleep, obesity, excessive alcohol, high stress, sedentary), start there
Storing Peptides in Solution Avoid Long-Term Storage in Solution: Peptide solutions have a shorter shelf life and are susceptible to bacterial degradation