Product Characteristics Form: Lyophilised solid Purity: 99% (batch-specific) Presentation: Sealed research vial Classification: Research Use Only (RUO) Physical appearance may vary between batches due to the lyophilisation process and does not indicate nonconformity
If low levels of B 12 remain for a long time, the condition also can lead to irreversible damage to nerve cells, which can cause the following symptoms: numbness and tingling in the hands and feet difficulty walking muscle weakness irritability memory loss dementia depression psychosis
Beyond-use window: reconstituted solution has a limited stable life (commonly a few weeks refrigerated)
Walk-in clinics provide them
You may wish to discuss testing with a healthcare professional if you: Experience ongoing unexplained fatigue Follow a vegan or vegetarian diet Have a history of gastrointestinal surgery or digestive conditions Have previously been diagnosed with low B12 Have symptoms such as numbness, tingling, or cognitive changes Testing helps determine whether B12 injections are appropriate or whether another cause should be investigated
As a result, many experts recommend that people taking metformin regularly get screened for vitamin B12 deficiency
