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Neurological and Psychiatric Effects Some users report experiencing: Brain fog Anxiety or panic attacks Insomnia Restlessness Palpitations Feelings of dissociation or derealization These effects are usually associated with high-dose supplementation (500 mcg to 5000 mcg daily) or B12 injections
My arm ached a bit for about a week with the first one, but nothing like that since, certainly wouldn't call it painful
On the other hand, the bioavailability of B12 from dietary supplements is 50% more than that from food sources
Prescriptions may apply when bundled with regulated injectable medications
Swab the septum, and let it dry Eaton et al
The NHS pathway is essential, but understanding its limitations helps to see why private clinics and online prescription services are becoming more popular
