Blood Draws & B12 Shots Neighborhood Naturopathic West Seattle Vitamin B12 Injections Boost Energy & Wellness in Frankfort Vitamin B12 Injection Sioux Falls, SD Vital Flow Infusions SPECIAL OFFER: $12 B12 injections every 12th of the month Yes only on the 12th. Walk ins available until 5 PM today at our Sauk City Location! Benefits may include: How Often Should You Get B12 Injections? Infusion For Health A little insight to the importance of the b12 injections. My client hadn't been feeling well & had some bloods done with her GP. The results identified a severe deficiency in b12.