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Biomarkers for chronic fatigue
### Get tested If your healthcare provider suspects a vitamin B12 deficiency, theyll likely suggest a blood test to examine: - Your levels of B12 and other essential nutrients - Common markers for vitamin deficiencies - Your complete blood count (CBC) If you decide to proceed with testing, you can make an in-person appointment with a nearby testing facility
doi: 10.3892/ijmm.2020.4498 281 BartelDP
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The cost of testing is minimal compared to failed studies using degraded compounds
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