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There is no gold standard in testing for vitamin B12 deficiency
The richest sources [of B12] are clams, sardines, salmon, tuna, trout, and beef liver
It is not a peptide in the traditional sense but is commonly grouped with research peptides in the metabolic optimization space
Before I got to my appointment I was feeling a little pessimistic because I didn't feel like I lost any weight
For instance, a patients follow-up visit for B12 re-evaluation is not recorded, causing issues with continuity of care
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