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Causes of deficiency can include an insufficient diet of animal products, gastrointestinal problems that affect absorption, and certain autoimmune medical conditions
A synthetic analog of the endogenous 43 amino-acid peptide of the same name, TB4 stimulates tissue growth and repair while improving immune and inflammatory responses
Methylcobalamin and adenosylcobalamin are pre-activated forms some practitioners prefer, particularly for individuals with genetic variations affecting B12 metabolism
Bacteriostatic water : The preservative (benzyl alcohol) can trigger sensitivity 3
Not the vague "add some water" advice
In addition to cognitive function and energy levels, B12 supplements have been associated with a range of other health benefits
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