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Better yet, blood tests can pick up on drops in B12 early, allowing you to make necessary changes before you begin experiencing adverse physical effects

Check pH:Test your serum's pH with strips or a meter. Aim for 4.55.5. If it's too alkaline, add a tiny amount of citric acid dissolved in a few drops of water. If too acidic, add a minimal amount of sodium hydroxide solution. Retest after each adjustment

Feb 10 2017;14(2)doi:10.3390/ijerph14020169
The role of hypoxia related hormones responses in acute mountain sickness susceptibility individuals unaccustomed to high altitude
