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Vitamin B12 supplements contain only one type of vitamin B, which is essential for nerve tissue health, brain function, and red blood cell production
(9) That refers to oral intake, not to the blood level
These people tend to lose weight when they have lower levels of vitamin B-12 in their systems
Instead, intramuscular injections may be more suitable
Hormone disruption: It doesn't affect testosterone, estrogen, thyroid, or other hormones
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