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General health and immune function Some people receive vitamin C injections for general health or to boost immune function and for convenience
In some centres, holotranscobalamin (active B12) may be available as an alternative test
The 28-day window assumes USP-spec composition at day zero
Open dialogue is essential to ensuring patient safety in an environment where access to unregulated compounds is increasingly common
Advertisement If your vitamin B12 level is normal, there isnt much research that suggests taking vitamin B12 will boost your energy
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