In the withdrawal trial, continuing preserved loss far better than switching to placebo, which regained about 14% over a year. The metabolic benefit fades in proportion to the weight regained, so a taper plus protein and resistance training beats a hard stop
Bacteriostatic water, by contrast, remains usable for up to 28 days after first access when handled under sterile conditions
Nervous System Reactions After getting a vitamin B12 injection some people may experience a disturbance to their nervous system
1991;34:13140 6 Tetsuya Watanabe, Ryuji Kaji, Nobuyuki Oka, William Bara, Jun Kimura, Ultra-high dose methylcobalamin promotes nerve regeneration in experimental acrylamide neuropathy, Journal of the Neurological Sciences, Volume 122, Issue 2, April 1994, Pages 140-143, ISSN 0022-510X, 7 B
It is also crucial for healthy nerves and good brain function