NHS Guidelines on Self-Administering B12 Injections The NHS supports patient self-administration of B12 injections where clinically appropriate and following adequate training
Messing with hormones can have myriad long term effects including infertility, changes in growth rates, suppression of your own natural hormones systems, and probably many other unknown side effects. Louis, the former prosecutor, said consumers looking to the internet to get the drugs a little bit cheaper are putting themselves at risk for harmful drug interactions, unintended side effects, and the consequences of poor manufacturing
Additionally, more large-scale, long-term human studies are needed to fully establish the comparative effectiveness of S-acetyl L-glutathione versus regular glutathione across various health outcomes
Blood 106:641-649, 2005
Skin Firmness and Elasticity By upregulating both collagen and elastin genes simultaneously, GHK-Cu addresses both structural support and skin rebound the two components of what we perceive as "firm" skin