Deficiency symptoms may improve within a few weeks of treatment
If you are experiencing trouble breathing, you should see a healthcare professional right away
Symptoms include fatigue, weakness, pale skin, shortness of breath, and neurological manifestations such as numbness, tingling, memory problems, and difficulty walking
Lenti MV, Rugge M, Lahner E et al (2020) Autoimmune gastritis
cGMP (current Good Manufacturing Practice) is the manufacturing standard required for pharmaceutical API production
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