Peptides for muscle growth side effects may include joint pain, swelling, or hormonal imbalances if misused or without proper medical supervision
British Journal of Haematology,2014,166,496-513
You can certainly combine the shots in the same syringe, but I do not recommend it (unless you are an expert), because if you get an air bubble in the syringe, as you extract the liquid from the vial, you will need to slowly return the liquid into the vial and re-extract it again till theres no bubbles
B12 with MI Injections: Side Effects and Considerations B12 with MI injections is also generally safe, with mild swelling or redness possible at the injection site
When using the thigh, finding the right spot is straightforward