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If you have already complained to the GP, the Practice Manager, the CCG, NHS England, and are still unhappy then

There is zero downtime with Vitamin B12 injections

Specifications: Purity: 99% Appearance: White lyophilized powder Solubility: Fully soluble in sterile water (HO) Quality Verification: RP-HPLC validated Storage: 28C (refrigerated after reconstitut

PMID 19002123

J Clin Invest 52(3):741744
