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And he notes certain peptides like thymosin alpha 1 have more human data behind them

to improve the indices of cardiovascular, endocrine, immune and nervous systems, homeostasis and metabolism. The researchers observed a 1.6-1.8 fold decreased mortality rate in the epithalamin-treated group, as well as decreased rates of: Coronary artery disease Hypertension Osteoarthritis Osteoporosis The researchers concluded that epithalamin may be beneficial for health maintenance and age-related pathology prevention in elderly subjects

And neither should its preparation

Namely, pigmentation changes may continue beyond the active presence of the peptide itself

Peter C, Hongwan D, Kupfer A, Lauterburg BH

obtain adequate amounts of vitamin B12 from their diet