hospira bac water canada Bacteriostatic · Disguised Alpha Ideal for IV Bacteriostatic Water for Injection, USP
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However, injections are a more effective method because the Vitamin B12 is delivered straight into your system without being digested first, allowing for maximum results

A lack of vitamin B12 can result in symptoms like pale or jaundiced skin and weak, brittle nails

Injectable B12 bypasses this digestive process

But as mentioned, there's evidence to show that high oral doses of vitamin B12 can be just as effective at treating a deficiency
