Pellets implanted under the skin
when people reach age 40, they produce around 30% less glutathione, and by age 65, that reduction can reach 50%
[5] It has been hypothesized to act through GH-mediated pathways on the osteoblasts (bone-forming cells), possibly leading to increased proliferation, development, and differentiation of the osteoblasts
Subcutaneous injections can be less painful and easier to do yourself
[PubMed] [PMC] Das DN, Panda PK, Sinha N, Mukhopadhyay S, Naik PP, Bhutia SK (2017) DNA damage by 2,3,7,8-tetrachlorodibenzo-p-dioxin-induced p53-mediated apoptosis through activation of cytochrome P450/aryl hydrocarbon receptor
Self-administering unregulated injectable substances carries serious risks, including infection, embolism, and systemic toxicity