They can help boost energy and improve the immune function
[DOI] [PubMed] [Google Scholar] 83.Smith SR, Weissman NJ, Anderson CM, et al
Side effects are comparable, though AOD 9604 has more clinical data supporting its safety profile
One of the potential causes for red cells expanding is a lack of B12, which all are on the way to various types of anemia (except I dont have low iron)

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: More common side effects difficulty in moving joint swelling or redness lack or loss of strength passing gas pressure in the stomach swelling of the abdominal or stomach area Less common side effects bleeding after defecation uncomfortable swelling around the anus Incidence not known decreased interest in sexual intercourse inability to have or keep an erection loss in sexual ability, desire, drive, or performance swelling of the breasts or breast soreness in both females and males unexpected or excess milk flow from breasts For healthcare professionals Applies to octreotide: injectable solution, intramuscular powder for injection extended release, oral delayed release capsule, subcutaneous solution
"National Diet and Nutrition Survey: Adults Aged 19 to 64 Years"