In this case, the B12 shots have started to heal the damaged neurons myelin sheath, but the neural network in which the healed neuron is in, is in a super sensitive state (with extra receptors), so the patient may feel pain or other unpleasant sensations
Yes, this is completely normal
the methods differ mainly in convenience, how the peptide is absorbed, and which goals they best suit
Anyone looking to improve their energy levels and overall health can benefit, especially those with dietary restrictions, busy lifestyles, or absorption issues
1979 Aug;24(2) 210-211
[1] [11] Reevaluation at three- to six-month intervals allows clinicians to ascertain whether the dose can be reduced or the injection interval extended, reflecting current endocrine guidelines that emphasize the lowest effective estrogen exposure and periodic attempts at cessation once symptoms abate