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Michael Learys bio, was most impressed, and made an appointment for my exam
Sosne, G., Qiu, P., & Kurpakus-Wheater, M
But for those with greater needs, including adults over 50, vegans, or people with absorption issues, 500 to 1,000 micrograms is common and well-tolerated. King says its also important to note that third-party tested products (for example, those that are USP, NSF, or ConsumerLab verified) are worth the small potential cost increase because the supplement industry is generally poorly regulated. Finally, I recommend avoiding proprietary blends that dont show exact B12 amounts, products combining B12 with stimulants or energy boosters (which is usually just caffeine driving the energy claim, not the B12), and anything making marketing claims about weight loss or metabolism, says King
As the Pernicious Anaemia Society explains, paying privately could cost you 25 to 50 each , while the NHS covers it entirely for diagnosed patients
Tissue loading may occur at even lower rates of administration
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