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Apostolopoulos, Vitamin B1, B2, B3, B5, and B6 and the Immune System, in Nutrition and Immunity, Cham: Springer International Publishing, 2019, pp
Benefits: Immune support Useful for colds, flu & other infections *Higher doses of Vitamin C can be dehydrating
In those situations, professionalgrade supplements or B12 injections are often recommended to prevent deficiency. When to Consider Vitamin B12 Injections You may be a good candidate for vitamin B12 injections if you have a confirmed deficiency, ongoing fatigue, known absorption problems, or dietary patterns that make it hard to get enough B12 from food alone
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