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B12 is safe on its own, but a few conditions call for extra care, which is why a provider reviews your history before treatment: Leber's hereditary optic neuropathy, a rare inherited eye condition, where certain forms of B12 may be a concern for the optic nerve
Add to that the lack of a gold-standard test for deficiency, and you can see why its an easy issue to miss
However, data on lipolysis and knowledge from in vitro systems have not been linked to corresponding in vivo data and knowledge in vivo
These include the patients health needs, any deficiencies in other vitamins, and their overall health
Why Injections Beat Pills (For Most People) The simple math: injectable B12 bypasses the stomach acid, liver metabolism, and intestinal absorption issues that limit oral B12 to about 1% bioavailability in most adults
This allows tissue recovery and reduces the buildup of irritation
