However, the current available antibody assay has low sensitivity and studies have found that antibodies are only detectable in 4060% of pernicious anaemia cases, so a negative test cannot categorically exclude pernicious anaemia[18,19]
I explore the energy angle honestly in B12 vs B-complex for energy and give the full background in our vitamin B12 UK guide
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Yes, B12 plays a role in cell production and repair, which contributes to healthier hair growth, stronger nails, and clearer skin
Michael Phelps Founder & Peptide Research Specialist, PrymaLab Published January 15, 2025 Updated May 18, 2026 ~14 min read Quick Answer What is bacteriostatic water used for in peptide science