They aren't interchangeable commodities
This is part of what makes peptides so appealing compared to typical pharmaceuticals: Many of the most common peptides used for medicinal purposes today (like for weight loss, diabetes, and hormone issues) are sequenced directly from peptides in our bodies
Compounded L-glutathione injections may address the symptoms of a wide variety of health issues, including male infertility (intramuscular use), plaque deposits in the arteries, liver diseases, memory loss, and Parkinsons disease (intravenous)
Age can affect how well the body absorbs and uses vitamin B12
Both groups continued to improve over time, and at 6 months those who only had Sebacia treatments were 65% improved, versus 79% for those who also did the pre-treatment
Some peptides are involved in circadian rhythm signaling, growth hormone pathways, metabolism, recovery, and skin health