Most healing peptides (BPC-157, TB-500) and neuro peptides (Semax, Selank) are dosed in mcg (250500 mcg)
You should NOT undergo microneedling if you: Additionally, microneedling has not been formally evaluated in patients with certain conditions, including active acne, rosacea, eczema, psoriasis, diabetes, active infections, keloid scarring, or those on blood thinners or immunosuppressive therapy
Side effects associated with Lipo B12 include: Discomfort, irritation, or redness at the injection site Headache Nausea Diarrhea Irritability Dizziness Low blood pressure Sweating Fishy odor to sweat and urine Lipo B12 injections are taken using a small insulin needle
"Plasma fibrinogen level and the risk of major cardiovascular diseases and nonvascular mortality: an individual participant meta-analysis" (PDF)