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American Journal of Physiology
Key benefits include: Higher energy levels: This supplement helps decrease fatigue levels, which can enable you to stay more active throughout the day and consistently maintain your exercise routine, supporting your overall fitness and well-being
For example, some people lack a protein called intrinsic factor , which helps with the absorption of vitamin B12
Clinicians may monitor complete blood counts, vitamin B12 levels, methylmalonic acid, homocysteine, potassium, or other markers depending on the situation
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