the appropriate amount varies by health status, age, diet, medicines, and the specific product
In my own practice, especially if an older person has risk factors for vitamin B12 deficiency, I consider a vitamin B12 level of 200-400 pg/mL borderline, and I usually order a methylmalonic acid level as a follow-up
Inflammatory Modulation Both compounds have measured effects on cytokine expression and NF-B signaling in published models, supporting research designs that address tissue repair coupled with inflammatory-pathway endpoints
Same name, unrelated chemistry, different aisle
doi:10.1111/j.1365-2036.2005.02583.x 59Lees CW, Irving PM, Beaugerie L
Experience the benefits of methylcobalamin, an essential nutrient for vitality and longevity