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Risks of taking vitamin B12 injections include taking unnecessarily high amounts (which arent always absorbed properly anyway) and experiencing interactions with other medications.
The authors hypothesized that the physiological significance of DHAR activity depends on the ascorbate pool size and that DHARs are required only at high levels of ascorbate
B.TzvetkovN
doi: 10.1006/nimg.2002.1260 359 WirthKJScheibenbogenC
By contrast, morning injections should have the opposite effect by enabling physiological GHRH secretion before sleep, generating a sleep-promoting effect and enabling pulses of endogenous GH secretion during the night
It was found that higher blood concentrations of -carotene were associated with lower mortality from all causes, including cardiovascular disease (Li et al
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