For people who prefer a natural energy booster, injections avoid sugar and stimulants
For instance, GHK-Cu has been shown to increase collagen production in aged skin cells and to accelerate wound closure in animal models
1,2,6 Symptoms typically include being easily fatigued with exertion, palpitations, and skin pallor
You're experiencing any kind of infection
The NHS treatment pathway and the 2024 NICE guideline both assume B12 injections are given in a clinical setting against a confirmed deficiency, not self-sourced and self-administered
Lee C, Zeng J, Drew BG, et al