Vitamin Shots in Houston B12, Vitamin C, D3, Lipo B & C Best Medspa for Vitamin B12 Shot in Little ELM, TX Now Open: The B 12 Store Good health starts here. The B 12 Store specializes in all natural FDA approved vitamin injections that help with weight loss and treats vitamin deficiencies. Located on the Boost Energy and Wellness with Rx B12 Injections 10 mg High Dose Vitamin B12 LifespanningRx Vitamin B 12 for Animal Use Generic (brand may vary) Valley Vet Supply Safe.Pharmacy Vitamins