best b12 injection brand Methylcobalamin (Vitamin B12) 12 levels and alleviate associated clinical signs B12 Injections at Olympia

Coumadin is a medication designed to prevent blood clotting in the body

Use of this product is therefore not intended to compensate for diagnosis, treatment, cure, or mitigation of medical conditions and must not substitute the obtaining of medical advice from a registered health professional for any health or health-related conditions.

Most people feel better within 24 to 72 hours of their first B12 shot

Here you can find some references and papers you can take to you GP regarding this

Traditionally the dorsogluteal (DG) muscle was used for IM injections but this muscle is in close proximity to a major blood vessel and nerves, with sciatic nerve injury a recognised complication (Small, 2004)

You may experience throbbing or cramping in one of your calves or thighs, swollen veins that are painful to touch, and red skin around the affected area